Track Plenary Speakers

Tuesday, November 1, 9:15AM - 10:00AM

Name: Dr. Mahmoud Hussein

Presentation Title: Passive flow control by subsurface phonon motion

Abstract: Flow control is a many-decades old engineering problem of a multi-disciplinary nature. It is concerned with devising passive or active means of intervention with the flow structure and its underlying mechanisms in a manner that causes desirable changes in the overall flow behavior. For streamlined bodies cruising through a flow, such as air or water, there is a key interest in the control of flow instabilities. These are disturbances or fluctuations in the flow velocity field that if left to grow are likely to trigger transition of the flow from laminar to turbulent, which in turn causes significant increases in skin-friction drag. A rise in drag reduces the fuel efficiency in aircrafts and ships. It is therefore desired to device intervention methods to impede the growth of these instabilities. Alternatively, in some scenarios, the objective may be to speed up the growth of the instabilities and laminar-to-turbulent transition to prevent or delay flow separation.

In recent research, we have shown that phonon motion underneath a surface interacting with a flow may be tuned to cause the flow to stabilize, or destabilize, as desired [Hussein et al., Proc. R. Soc. A, 2015]. The underlying control mechanism utilizes core concepts from crystal physics, primarily, the principle of destructive or constructive interferences and the notion of symmetry breaking. This is realized by installing a "phononic subsurface" (PSub), which is an architectured structure placed in the subsurface region and configured to extend all the way such that its edge is exposed to the flow, forming an elastic fluid-structure interface. The PSub may take the form of a phononic crystal or an elastic metamaterial, with finite extent, and is typically oriented perpendicular to the fluid-structure interface. It is engineered to exhibit specific frequency-dependent amplitude and phase response characteristics at the edge exposed to the flow. These two quantities represent the two core properties on which the PSub design theory is based on. This approach represents an unprecedented capability to passively synchronize wave propagation across the interface of a structure and a flowing fluid, and achieve favorable, and predictable, alterations to the flow properties. In this seminar, the theory of phononic subsurfaces for passive flow control will be presented and its effectiveness demonstrated using coupled fluid-structure simulations in a channel flow with examples given comprising single or multiple PSubs for the control of single or multiple instabilities.

Bio: Mahmoud I. Hussein is the Alvah and Harriet Hovlid Professor at the Smead Department of Aerospace Engineering Sciences at the University of Colorado Boulder. He holds a courtesy faculty appointment in the Department of Physics and an affiliate faculty appointment in the Department of Applied Mathematics, and he serves as the Engineering Faculty Director for the Program of Exploratory Studies. He received a BS degree from the American University in Cairo (1994) and MS degrees from Imperial College, London (1995) and the University of Michigan‒Ann Arbor (1999, 2002). In 2004, he received a PhD degree from the University of Michigan, after which he spent two years at the University of Cambridge as a postdoctoral research associate.

Dr. Hussein's research focuses on the dynamics of materials and structures, especially phononic crystals and metamaterials, at both the continuum and atomistic scales. His research considers areas that range from vibrations and acoustics of engineering structures and passive flow control to lattice dynamics and thermal transport in semiconductor-based nanostructured materials. His studies are concerned with physical phenomena governing these systems, associated theoretical and computational treatments, and analysis of relevant phenomena such as dispersion, resonance, dissipation, and nonlinearity. His team also conducts experiments to support some aspects of the theoretical work.

Dr. Hussein received a DARPA Young Faculty Award in 2011, an NSF CAREER award in 2013, and in 2017 was honored with a Provost’s Faculty Achievement Award for Tenured Faculty at CU Boulder. He has co-edited a book titled Dynamics of Lattice Materials published by Wiley. He is a Fellow of ASME and has served as an associate editor for the ASME Journal of Vibration and Acoustics. In addition, he is the founding vice president of the International Phononics Society and has co-established the Phononics 20xx conference series which is widely viewed as the world's premier event in the emerging field of phononics.

Thursday, November 3, 9:15AM - 10:00AM

Name: Thomas R. Kurfess, Ph.D., P.E.

Presentation Title: Next Generation Digital Manufacturing Operations – Democratizing Advanced Manufacturing

Abstract: The technological foundations of advanced manufacturing continue to rapidly evolve as ubiquitous sensing, cloud computing and storage, and next generation controllers are introduced into the manufacturing ecosystem. This talk presents some of the technical concepts and business models that will enable new technologies and capabilities in the manufacturing sector to be rapidly deployed throughout the U.S. industrial base. Insight will be presented into next generation resilient production operations and business models that favor local and point of assembly manufacturing. The talk will conclude with a discussion of how rapidly advancing technical innovations will be propagated throughout the manufacturing enterprise, ensuring a state-of-the-art manufacturing economy. This will provide opportunities for businesses of all sizes and democratize advanced manufacturing technologies throughout the United States.

Bio: Thomas R. Kurfess is the HUSCO/Ramirez Distinguished Chair in Fluid Power and Motion Control and Professor of Mechanical Engineering at Georgia Tech. During 2019-2021 he served as the Chief Manufacturing Officer, and the Founding Director for the Manufacturing Science Division at Oak Ridge National Laboratory. During 2012-2013 served as the Assistant Director for Advanced Manufacturing at the Office of Science and Technology Policy in the Executive Office of the President of the United States of America, where he was responsible for coordinating Federal advanced manufacturing R&D. He was President of SME in 2018, and currently serves on the Board of Governors of the ASME. His research focuses on the design and development of advanced manufacturing systems targeting secure digital manufacturing, additive and subtractive processes, and large-scale production enterprises. He is a member of the National Academy of Engineering and is a Fellow of ASME, AAAS, and SME.

Monday, October 31, 9:45AM - 10:30AM

Name: Dr. I.S. Jawahir

Presentation Title: Next Generation Manufacturing for Advancing Circular Economy with Sustainable Products from Sustainable Manufacturing Processes

Abstract: Rapidly increasing global population with growing standard of living calls for a need for high quality manufactured products and services requiring significant product and process innovations. Circular Economy (CE) concepts are rapidly emerging globally due to the alarmingly increasing rate of environmental pollutions in waters, air and soils that continue to impose significant economic burden with societal concerns on health effects, safety, and societal wellbeing in general. Traditionally known CE concepts heavily focus on recycling of end-of-life products and reuse of recovered materials targeting remanufacturing. Recently emerged comprehensive 6R-based (Reduce, Reuse, Recycle, Recover, Redesign, and Remanufacture) sustainable manufacturing principles demonstrate the far-reaching benefits with application potential across all levels of manufacturing (products, processes, and systems) to advance CE with product/process innovations for next generation manufacturing.

Metrics-based evaluation methods have been established for quantifying and improving the sustainability contents in manufactured products and manufacturing processes. During the last few decades, significant progress has been made in designing and developing innovative products and processes using sustainability principles aimed at economic, environmental, and societal benefits. However, the connectivity between product and process sustainability seems to have significant research gaps as the product designers do not adequately consider the need for utilizing sustainable manufacturing processes to produce the products. Similarly, manufacturing process planners generally do not consider the sustainability elements in products. Concurrent product and process design for sustainability by considering the entire life cycle (pre-manufacturing, manufacturing, use, and post-use stages) of the manufactured products would provide the necessary foundational strengths for products and processes. Next generation manufacturing will involve digitally integrated smart and sustainable manufacturing technologies, coupled with IIoT and data analytics for enhanced product/process quality, manufacturing productivity and reduced manufacturing costs.

This presentation will focus on fundamental principles of sustainable manufacturing by showing the 6Rs as the key technological elements of Circular Economy. The presentation will demonstrate that in the era of Industry 4.0, digital technologies with IIoT can effectively be used to enable increased amount of life-cycle information available to product/process designers/developers and manufacturers using a sensor network that collects data across all stages of the product life cycle. This presentation will also show that this total life-cycle-oriented data can unlock the ability to use predictive analytics and modeling techniques beyond the initial life of the product, with multiple life cycles and for multi-generational products. Recent trends in sustainable manufacturing aimed at promoting and advancing Circular Economy with digitally integrated systems aimed at providing pathways for producing sustainable products from sustainable manufacturing will be summarized in this presentation.

Bio: Dr. I.S. Jawahir is a Professor of Mechanical Engineering, James F. Hardymon Chair in Manufacturing Systems, and Founding Director of Institute for Sustainable Manufacturing at the University of Kentucky. His current research includes predictive modeling and optimization of sustainable manufacturing processes and sustainable product design. His early pioneering work on sustainable manufacturing processes (dry, near-dry (also known as MQL), and cryogenic machining/processing of materials) are well-recognized world-wide. He has published extensively with over 440 research publications, including 160+ journal papers; awarded with 4 U.S. patents; delivered 72 keynote papers at plenary sessions in major international conferences and over 150 invited presentations in 38 countries. He has received over $55M research funding from several federal agencies and numerous industry groups. He has also directed/supervised the research of 23 postdoctoral researchers, 45 PhD graduates and over 65 MS (thesis) graduates.

He is a Fellow of CIRP, ASME and SME; Editor-in-Chief of International Journal of Sustainable Manufacturing; and Technical Editor of Journal of Machining Science and Technology. In 2005, he established the ASME’s Research Committee on Sustainable Products and Processes and served as the Founding Chairman for six years (2005-11). He has been active in international collaborative research through CIRP since 1990: led five CIRP research groups; founded the CIRP Conference Series on Modeling of Machining Operations in 1998; co-founded the CIRP Conference Series on Surface Integrity in 2012; continued to play a major role in the Global Conference on Sustainable Manufacturing (GCSM) series since its founding in 2004; and is currently leading the CIRP’s IMPACT (Integrated Machining Performance for the Assessment of Cutting Tools) Cooperative Research Group (2021-2024).

Professor Jawahir received numerous awards and honors, including the 2013 ASME Milton C. Shaw Manufacturing Research Medal, 2015 William Johnson International Gold Medal and the 2022 SME Frederick W. Taylor Research Medal.

Tuesday, November 1, 9:15AM - 10:00AM

Name: Julia Greer

Presentation Title: Materials by Design: Three-Dimensional (3D) Nano-Architected Meta-Materials

Abstract: Creation of extremely strong and simultaneously ultra lightweight materials can be achieved by incorporating architecture into material design. Dominant properties of such meta-materials are driven by their multi-scale nature: from characteristic microstructure (atoms) to individual constituents (nanometers) to structural components (microns) to overall architectures (millimeters+). To harness the beneficial properties of 3D nano-architected meta-materials, it is critical to assess their properties at each relevant scale while capturing overall structural complexity.

Our research is focused on design, synthesis, and characterization of nano-architected materials using nanofabrication and additive manufacturing (AM) techniques, as well as on investigating their stimulus-driven response as a function of architecture, constituent materials, and microstructure. These "meta-materials" exhibit superior and often tunable properties, i.e. resilience against impact, recoverability, failure suppression, anisotropic stiffness; nano-photonic response (PhCs); new electrochemical degrees of freedom (Li-ion batteries), and shape memory response (SMPs) at extremely low mass densities, as well as lend themselves to novel functionalities (hydrogel-enabled synthesis) which renders them useful and enabling in technological applications. We strive to uncover the synergy between atomic-level microstructure and nano-sized external dimensionality, where competing material- and structure-induced size effects drive overall response. My talk with focus on additive manufacturing via function-containing chemical synthesis to create nano- and micro-architected metals, ceramics, multifunctional metal oxides, and shape memory polymers, as well as demonstrate their potential in some real-use applications. I will describe how the choice of architecture, material, and external stimulus can elicit stimulus-responsive, reconfigurable, and multifunctional response.

Bio: Greer's research focuses on creating and characterizing classes of materials with multi-scale microstructural hierarchy, which combine three-dimensional (3D) architectures with nanoscale-induced material properties. We develop fabrication and syntheses of micro- and nano-architected materials using 3D lithography, nanofabrication, and additive manufacturing (AM) techniques, and investigate – among others - their mechanical, biochemical, electrochemical, electromechanical, and thermal properties as a function of architecture, constituent materials, and microstructural detail. We strive to uncover the synergy between the internal atomic-level microstructure and the nano-sized external dimensionality, where competing material- and structure-induced size effects drive overall response and govern these properties.

Greer obtained her S.B. in Chemical Engineering from MIT in 1997 and a Ph.D. in Materials Science from Stanford. She currently is a Ruben F. and Donna Mettler Professor of Materials Science, Mechanics, and Medical Engineering at Caltech. Greer is also the Director of the Kavli Nanoscience Institute at Caltech.

Greer has more than 150 publications, has an h-index of 65, and has delivered over 100 invited lectures, which include 2 TEDx talks, the Gilbreth Lecture at the NAE, the Midwest Mechanics Lecture series, and a “IdeasLab” at the World Economic Forum, and was recently selected as Alexander M. Cruickshank (AMC) Lecturer at the Gordon Research Conferences (2020). She received the inaugural AAAFM-Heeger Award (2019) and was named a Vannevar-Bush Faculty Fellow by the US Department of Defense (2016) and CNN’s 20/20 Visionary (2016). Her work was recognized among Top-10 Breakthrough Technologies by MIT’s Technology Review (2015).

Wednesday, November 2, 9:45AM - 10:30AM

Name: L. Cate Brinson

Title: Materials Data & Informatics: Curation, Frameworks, Access, and Potential for Discovery and Design

Abstract: With the advent of the materials genome initiative (MGI) in the United States and a similar focus on materials data around the world, numerous materials data resources and associated vocabularies, tools, and repositories have been developed. While the majority of these systems focus on slices of computational data with an emphasis on crystallographic materials, platforms for organic materials and their composites, especially those incorporating experimental data, have been quite limited. We will discuss the unique aspects of tackling data assembly and informatics associated with experimental organic materials data, with focus on our experiences creating an open-source data resource, NanoMine, part of MaterialsMine. Our goal has been to curate, annotate and store widely varying experimental data on polymer nanocomposites (polymers doped with nanofiller) and providing access to characterization and analysis tools with the long-term objective of promoting facile nanocomposite design. The challenges and promises associated with data curation, ontology and vocabulary development, standardization and interoperability, and data visualization and analysis tools will be discussed. Several case studies will be presented, including use of natural language processing for archival data curation, coupling of experimental and computational data for materials design, and development of machine learning tools for rapid property screening and inference. Overall, we focus on the promise of this new approach to tackle materials design principles for the complex, high dimensional problems inherent in the multi-phase polymer space.

Bio: L. Cate Brinson is the Sharon C and Harold L Yoh III Professor of Engineering and the Donald M Alstadt Department Chair of the Mechanical Engineering and Materials Science Department at Duke University. Following her PhD from Caltech and a postdoc in Germany, she was a faculty member at Northwestern University until her move in 2017 to Duke University. Current research involves characterization of local polymer mechanical behavior (including composites and 3d printed constructs) and materials genome (data) research, where investigations span the range of molecular interactions, micromechanics and macroscale behavior. Dr. Brinson has received a number of awards, including the the Eringen Medal of SES, the Nadai Medal of the ASME, the Friedrich Wilhelm Bessel Prize of the Alexander von Humboldt Foundation, the ASME Tom JR Hughes Young Investigator Award, and an NSF CAREER Award, and she is a Fellow of many professional societies. She has authored one book and over 170 refereed journal publications with over 25000 citations and an h-index of 70. Her book has had over 60,000 chapter downloads from the e-version since publication in 2008 and a second edition published in 2015. She served 5 years on the Society of Engineering Science Board of Directors, including one year as President, and is a founding member of the Materials Research Data Alliance (MaRDA).

Thursday, November 3, 9:15AM - 10:00AM

Name: Paul Taylor

Presentation Title: Advances in Aeroelasticity and Structural Dynamics at Gulfstream Aerospace

Abstract: In the ultra-competitive world of business aviation, the boundaries for speed and efficiency are continually being pushed. This requires more accurate methods, backed by reliable testing as well as more efficiency in certification testing. My talk will focus on several initiatives undertaken at Gulfstream which have advanced the state of the art in high speed aeroelastic wind tunnel testing and efficient flight flutter testing techniques, leading to higher quality clearance data provided on an efficient time scale, while still maintaining the highest safety standards.

Bio: Mr. Taylor is Staff Scientist in Dynamics at Gulfstream Aerospace Corporation, where he has worked for the past 29 years. He has been involved in certification of all of Gulfstream’s large cabin business jets since joining the company in 1993. He is currently a member of the Gulfstream Organization Designation Authority and prior to this was a Designated Engineering Representative of the FAA. He is an Associate Fellow of AIAA and a past chair of the AIAA Structural Dynamics Technical Committee and board member of the Savannah Science Seminar. Mr. Taylor's specialties include aircraft gust and dynamic loads, flutter, Fan Blade Off dynamic loads, flight flutter and loads testing, ground vibration testing and aeroelastic wind tunnel testing.

Mr. Taylor received his Bachelor of Engineering in Aeronautical Engineering from the University of New South Wales in Sydney, Australia and Master of Science in Aerospace Engineering from the University of Southern California.

Wednesday, November 2, 9:45AM - 10:30AM

Name: Beverley J. McKeon

Title: Modeling and Manipulation of Wall-Bounded Turbulent Flows: From the Laboratory to High Reynolds Numbers

Abstract: Questions remain about the structure of wall turbulence, its sensitivity to perturbation (most practically with regards to natural or synthetic modification of the wall boundary condition via degradation or for control or manipulation purposes) and methods to design global flow characteristics. While the power of computation has grown dramatically in recent times, many of these issues are both unresolved and especially important at the Reynolds numbers of relevance to large scale, high Reynolds number naval, aeronautical and industrial flows. In this talk, we consider the canonical wall flows and utilize a combination of theory and (resolvent) analysis of the governing equations, simulation and experiments to give insight into some of the fundamental mechanisms governing flow response to wall modification and their relevance to high Reynolds number flow. The work has benefited from funding by ONR and AFOSR over a period of years, which is gratefully acknowledged.

Bio: Beverley McKeon is Theodore von Karman Professor of Aeronautics at the Graduate Aerospace Laboratories at Caltech (GALCIT) and Deputy Chair of the Division of Engineering & Applied Science. She received an M.Eng. degree from the University of Cambridge, and an M.A. and Ph.D. (2003) from Princeton University. Her research interests include interdisciplinary approaches to manipulation of boundary layer flows using morphing surfaces, fundamental investigations of wall turbulence at high Reynolds number, the development of resolvent analysis for modeling turbulent flows, and assimilation of experimental data for efficient low-order flow modeling. She was the recipient of a Vannevar Bush Faculty Fellowship from the DoD in 2017, the Presidential Early Career Award (PECASE) in 2009 and an NSF CAREER Award in 2008, and is a Fellow of the APS and the AIAA. She currently serves as co-Lead Editor of Physical Review Fluids and on the editorial board of the Annual Review of Fluid Mechanics, and is a past editor-in-chief of Experimental Thermal and Fluid Science. She is the current Chair, and APS representative, of the US National Committee on Theoretical and Applied Mechanics.

Tuesday, November 1, 9:15AM - 10:00AM

Name: Kendall R. Waters, United Imaging

Presentation Title: The Many Contributions of the Mechanical Engineer to Medical Devices

Abstract: Medical devices come in all shapes and sizes. Yet virtually every medical device has been (or should have been) touched by at least one mechanical engineer. These medical devices may be comprised of a range of materials, need to meet numerous mechanical performance requirements, or be manufactured by used of specialized processes. Mechanical engineers are generally well suited to handling such design and manufacturing needs.

In the wide world of medical devices, one type of medical device that continues to regularly experience innovation is the catheter. Clinical applications of particular interest for this talk include electrophysiology and structural heart interventions. The number of catheters that are used for the diagnosis and treatment cardiac arrhythmias (e.g., atrial fibrillation) and structural heart disease (e.g., aortic valve stenosis), including image-guidance catheters, continues to grow.

In this talk I will provide an overview of the key roles that mechanical engineers play in the design and development of one type of medical device (intracardiac echocardiography catheters) and share thoughts on how to have an engaging career in medical devices.

Bio: Kendall R. Waters is Director of R&D at United Imaging. He has been part of the medical device industry for over 15 years with much of his career focused on advanced technology development for medical ultrasound imaging devices and applications.

Kendall has product and technology development experience at a range of organizations, including global enterprises, small-medium businesses, start-ups, and national laboratories. He has been an R&D contributor on >10 medical products cleared by the FDA. He is also an inventor on >60 issued patents (from >20 patent families) related to medical imaging and sensing.

Kendall is an active member of the IEEE having held elected positions for both the Ultrasonics, Ferroelectrics, and Frequency Control Society and Consultants’ Network of Silicon Valley. He has also served on the Board of Directors for medical devices start-ups. He holds a PhD and MA in Physics from Washington University in St. Louis and a BS in Physics and BA in Mathematics from the University of Texas at Austin.

Monday, October 31, 9:45AM - 10:30AM

Name: Philip Bayly

Presentation Title: The Brain in Motion: Visualizing Brain Biomechanics and Understanding Traumatic Brain Injury

Abstract: High linear and angular accelerations of the skull can lead to rapid deformation of brain tissue and subsequent traumatic brain injury (TBI), but the precise mechanisms of TBI remain incompletely understood. Computer simulations of head-brain biomechanics offer enormous potential for improved understanding and prevention of TBI. However simulations must be complemented by biomechanical measurements to parameterize and evaluate the underlying mathematical models. The nonlinear, anisotropic, viscoelastic, heterogeneous character of brain tissue, and the intricate connections between the brain and skull all play important roles in the brain’s response to skull acceleration. Studies of animal brains and ex vivo brain tissue have led to important insights, but the measurements of the response of the intact human brain are necessary and complementary. On the other hand, efforts to understand the motion of the human brain in vivo are complicated by the fact that it is delicate, hidden, and well-protected by the skull. I will describe MR imaging techniques to characterize brain deformation, estimate brain material properties, and illuminate the boundary conditions between brain and skull, with the objective of improving the ability to model and simulate TBI.

Bio: Philip V. (Phil) Bayly is The Lee Hunter Distinguished Professor of Mechanical Engineering and Chair of the Department of Mechanical Engineering and Materials Science at Washington University in St. Louis. Dr. Bayly earned an A.B. in Engineering Science from Dartmouth College, an M.S. in Engineering from Brown University, and a Ph.D. in Mechanical Engineering from Duke University. Before pursuing his doctorate, he worked as research engineer for the Shriners Hospitals and as a design engineer for Pitney Bowes.

Dr. Bayly has been a member of the faculty at Washington University since 1993, and Chair since 2008. His research involves the study of nonlinear dynamic phenomena in mechanical and biological systems. He is particularly interested in the use of imaging technology and image processing to understanding the mechanics and material properties of biological tissues and cells. His research has been funded by the National Science Foundation, the Office of Naval Research, and the National Institutes of Health.

Tuesday, November 1, 9:15AM - 10:00AM

Name: Yong Chen

Presentation Title: Projection-based Additive Manufacturing: Spatiotemporal Properties and Data-Driven Image Planning Methods

Abstract: Additive manufacturing (AM) is a digital manufacturing process that can directly convert a computer-aided design model into a physical object in a layer-by-layer manner. Due to the additive and discrete nature of the digital manufacturing process, AM needs to find a trade-off between process resolution and production efficiency. Traditional AM processes balance the resolution and efficiency by tuning the processes either in the temporal domain (e.g., higher speed in serial processes) or in the spatial domain (e.g., more tools in parallel processes). To improve the resolution without sacrificing efficiency, a data-driven mask image planning method based on subpixel shifting in a split second by tuning the process in both temporal and spatial domains is presented. The method is based on the optimized pixel blending principle and a fast error diffusion-based optimization model. Various simulation and experimental tests are carried out to verify the developed subpixel shifting method. The experimental results demonstrate the data-driven-based mask image calibration and planning techniques significantly improve the fabricated part quality without compromising the process efficiency. The presented spatiotemporal strategy may shed light for future research on the projection-based AM processes.

Bio: Dr. Yong Chen is a professor of Aerospace and Mechanical Engineering and Industrial and Systems Engineering at the University of Southern California (USC). His research focuses on additive manufacturing (3D printing) and related modeling, control, material, and application. He has published 1 edited book, 4 book chapters, and nearly 200 publications in refereed journals and conferences, as well as 12 issued and pending U.S. patents. His work has been recognized by over ten Best/Outstanding Paper Awards in major design and manufacturing journals and conferences and two USC Innovation Commercialization Awards. Other major awards he received include the National Science Foundation Faculty Early Career Development (CAREER) Award, the Outstanding Young Manufacturing Engineer Award from the Society of Manufacturing Engineers, and three invitations to the National Academy of Engineering Frontiers of Engineering Symposiums. Dr. Chen is a Fellow of the American Society of Mechanical Engineers (ASME). He has served as conference/program chairs as well as keynote speakers in several international design and manufacturing conferences, including the Conference Chair of the 2017 International Manufacturing Research Conference, the Program Co-chair of the 2019 International Design Engineering Technical Conferences (IDETC), and the Program Chair of the 2022 and 2021 Manufacturing Science and Engineering Conferences (MSEC). At USC, Dr. Chen teaches design and manufacturing-related courses to undergraduate and graduate students. Several Ph.D. students and post-doctors from his group have landed faculty positions in North American Universities. He also helped students and collaborators create four start-up companies related to 3D printing.

Monday, October 31, 2022 – 9:45-10:30am

Name: David Wrenn

Presentation Title: Building SpinLaunch: An Inside Look at the Engineering

Abstract: In this behind-the-scenes breakout session, SpinLaunch’s Vice President of Technology, David Wrenn, will provide a technical review of SpinLaunch’s kinetic launch technology that delivers substantially less expensive and more sustainable access to space. David will share a brief history of alternative rocket launch and provide a deep dive into the engineering implementation, including insights into the launch system’s design, architecture, and satellite ruggedization.

Bio: David was part of the founding SpinLaunch team joining the company in early 2015. He has been responsible for creating key developments in engineering, system architecture, and business strategy. David was the lead designer and analyst of the company's novel prototype vacuum chamber and high-performance bearing assemblies. David developed, fabricated, and successfully tested SpinLaunch's high-g rocket engine and lead prototype test launch operations. He continues to develop SpinLaunch's technical architecture and vision today.

Wednesday, November 2, 9:45AM - 10:30AM

Name: Earl Dowell

Presentation Title: Fluid Structural Thermal Dynamic Interaction in Hypersonic Flow

Abstract: The subject is the rich array of dynamic response that can occur when a flexible structure interacts with the forces due to a convecting fluid flow which also heats the structure. Buckling due to thermal stresses, dynamic instabilities (flutter) and limit cycle oscillations as well as response to random pressures in a fluid boundary layer, are all of interest. A hierarchy of fluid, structural and thermal models will be discussed. The advantages of using a modal representative of both the structural and thermal fields will be illustrated and the concept of using a linear dynamic perturbation of the flow field at various levels of flow modeling from potential flow to the Navier-Stokes equations will be noted. Finally, comparison of results from theory/computation with those from wind tunnel experiments will be used to assess the current state of the art and identify the need for further improvements in both theory and experiment.

Bio: Dr. Dowell is an elected member of the National Academy of Engineering, an Honorary Fellow of the American Institute of Aeronautics and Astronautics (AIAA) and a Fellow of the American Academy of Mechanics and the American Society of Mechanical Engineers. He has also served as Vice President for Publications and member of the Executive Committee of the Board of Directors of the AIAA; as a member of the United States Air Force Scientific Advisory Board; the Air Force Studies Board, the Aerospace Science and Engineering Board and the Board on Army Science and Technology of the National Academies; the AGARD (NATO) advisory panel for aerospace engineering, as President of the American Academy of Mechanics, as Chair of the US National Committee on Theoretical and Applied Mechanics and as Chairman of the National Council of Deans of Engineering. From the AIAA he has received the Structure, Structural Dynamics and Materials Award, the Von Karman Lectureship the Crichlow Trust Prize and the Reed Aeronautics Award; from the ASME he has received the Spirit of St. Louis Medal, the Den Hartog Award and Lyapunov Medal; and he has also received the Guggenheim Medal which is awarded jointly by the AIAA, ASME, AHS and SAE.

He has served on the boards of visitors of several universities and is a consultant to government, industry and universities in science and technology policy and engineering education as well as on the topics of his research.

Dr. Dowell research ranges over the topics of aeroelasticity, nonsteady aerodynamics, nonlinear dynamics and structures. In addition to being author of over three hundred research articles, Dr. Dowell is the author or co-author of four books, "Aeroelasticity of Plates and Shells", "A Modern Course in Aeroelasticity", "Studies in Nonlinear Aeroelasticity" and "Dynamics of Very High Dimensional Systems. His teaching spans the disciplines of acoustics, aerodynamics, dynamics and structures.

Dr. Dowell received his B.S. degree from the University of Illinois and his S.M. and Sc.D. degrees from the Massachusetts Institute of Technology. Before coming to Duke as Dean of the School of Engineering, serving from 1983-1999, he taught at M.I.T. and Princeton. He has also worked with the Boeing Company.

Tuesday, November 1, 9:15AM - 10:00AM

Name: Pradeep Sharma

Presentation Title: Flexoelectricity and Electrets

Abstract: The ability of certain materials to convert electrical stimuli into mechanical deformation, and vice versa, is a prized property. Not surprisingly, applications of such so-called piezoelectric materials are broad—ranging from energy harvesting to self-powered sensors. In this presentation, I will highlight a relatively understudied electromechanical coupling called flexoelectricity that appears to have implications in topics ranging from biophysics to the design of next-generation soft multifunctional materials. Specifically, I will argue, through computational examples, the tantalizing possibility of creating “apparently piezoelectric” materials without piezoelectric materials—e.g. graphene, emergence of “giant” piezoelectricity at the nanoscale, and (among others) the mechanisms underpinning magnetoreception in certain animals.

Bio: Pradeep Sharma is the M.D. Anderson Professor and Chair of Mechanical Engineering. He also has a joint appointment in the Department of Physics. He received his Ph.D. in mechanical engineering from the University of Maryland at College Park in the year 2000. Subsequent to his doctoral degree, he was employed at General Electric R & D for more than three years as a research scientist. He joined the department of mechanical engineering at University of Houston in January 2004. He is a member of the US National Academy of Engineering. His other honors and awards include the Young Investigators Award from Office of Naval Research, Thomas J.R. Hughes Young Investigator Award from the ASME, Texas Space Grants Consortium New Investigators Program Award, the Fulbright fellowship, the Melville medal, the James R. Rice medal from the Society of Engineering Science, ASME Charles R. Russ medal, the Guggenheim, and the University of Houston Research Excellence Award. He is a fellow of the ASME, the associate editor of the Journal of the Mechanics and Physics of Solids, chief-editor of the Journal of Applied Mechanics (from July 2022) and serves on the editorial board of several other journals. He specializes in the broadly defined fields of continuum mechanics of solids and theoretical and computational materials science.

Monday, October 31, 9:45AM - 10:30AM

Name: Robert Pitz-Paal, DLR Institute of Solar Research

Title: SMART CSP - How artificial intelligence Can Support Concentrating Solar Technologies

Abstract: Concentrating solar technologies are relatively complex systems that combine a large number of tracked concentration collectors, high temperature receivers and heat exchangers, a thermal storage system, and a power cycle. To optimize operation and lifetime of such systems, artificial intelligence (AI) approaches provide numerous benefits over physical model-based simulations. The talk will introduce state of the art technologies and their current market status before highlighting a number of AI approaches that have been developed at DLR. They comprise the tracking calibration of heliostats, soiling prediction of mirrors, degradation detection of solar collectors, cloud recognition, life time monitoring of receivers, and others.

Bio: Prof. Dr.-Ing. Robert Pitz-Paal is one of the two directors of the DLR Institute for Solar Research with more than 130 members of staff located in Cologne, Stuttgart, Jülich, Germany, and Almería, Spain. This is the largest research institution in Germany working in the field of concentrating solar technologies. This position is jointly assigned with a professorship at Aachen University. In 2008, Robert Pitz-Paal was also visiting Professor at the ETH in Zurich. His main research areas are the technical analysis and optimisation of concentrating solar power systems for generating electricity and producing fuel. He serves as associate editor for the Journal of Solar Energy and was the chairman of the SolarPACES (Solar Power and Chemical Energy Systems) technology Cooperation Programme of the International Energy Agency until 2021. He is also member of the board of the German Industry Association of CSP (DeutscheCSP). Pitz-Paal received the Farrington-Daniels Award of the International Energy Society in 2017 and the Frank Kreith Energy Award 2021 of the ASME.

Thursday, November 3, 9:15AM - 10:00AM

Name: Dr. Gunjan Agarwal

Presentation Title: Bio-Engineering: Pros and Cons of Navigating an Interdisciplinary Field

Abstract: Bioengineering (BioE) is a growing interdisciplinary field encompassing the domains from mechanical, materials, electrical, chemical and computer engineering. Several institutions across the country (and worldwide) now have formal as well as informal BioE curricula or tracks in their undergraduate and graduate programs. When and why should one enter and embrace BioE? As a physicist entering the field of BioE, Dr. Agarwal will discuss her own trajectory and experiences in BioE over a span of two decades. Some unique challenges faced by BioE programs are to find the perfect balance between the depth and breadth in engineering education and compete with traditional engineering disciplines in the job market. However, BioE incentivizes graduate education and training and helps entice women and underrepresented minorities to the STEM fields. The inter-disciplinary field of BioE extends engineering applications to agriculture, environmental science, marine biology, medicine and more and can open up new opportunities for professional as well as personal growth.

Bio: Dr. Gunjan Agarwal is a Professor in the Department of Mechanical and Aerospace Engineering (MAE) at the Ohio State University (OSU). She has diverse educational experiences across both academia and industry. Dr. Agarwal received her BS from the JK Institute of Applied Physics (Allahabad), MS (Physics) from the Indian Institute of Technology (Delhi) and doctoral degree in Biophysics from the Tata Institute of Fundamental Research (Mumbai, India). She completed her post-doctoral training at the Albert Einstein College of Medicine (Bronx, NY) and Procter & Gamble Pharmaceuticals (Mason, OH) and was a research scientist at the Air Force Research Lab (WPAFB, OH). She was a faculty member in the Department of Biomedical Engineering (BME) at OSU for 15+ years, before joining MAE. She teaches graduate courses in Extracellular matrix, Medical Imaging and Microscopy. Dr. Agarwal is a faculty mentor in three engineering graduate programs (MAE, BME and MSE) and two interdisciplinary graduate programs (Biophysics and Ohio State Biochemistry Program).

Dr. Agarwal's research interests lie "outside the cell" on cell-matrix interactions and extracellular matrix remodeling with a particular focus on vascular and bone diseases. She extensively employs high-resolution microscopy techniques such as atomic force microscopy (AFM) and electron microscopy for her research. She also directs an AFM core facility at OSU and develops novel biomedical applications of AFM. She has published 4 book chapters and over 50 journal articles in well-reputed journals. Her research has been continuously funded by the NSF, NIH and the American Heart Association.

Thursday, November 3, 9:15AM - 10:00AM

Name: Jacqueline Chen

Presentation Title: The Convergence of Exascale Computing and Data Science Toward Zero-carbon Fuels for Power & Transportation

Abstract: Mitigating climate change while providing the nation’s transportation and power generation is important to energy and environmental security. While a potential shift to hydrogen as a zero-carbon fuel has attracted a great deal of interest, an alternative shift to ammonia also has promise: ammonia has a higher volumetric energy density and is simpler to transport and store. However, ammonia has poor reactivity and forms NO_x and N₂O emissions. Its poor reactivity can be circumvented by blending it with more reactive fuels, e.g., by partial cracking of ammonia to form ammonia/hydrogen/nitrogen blends, but combustion of such blends at gas-turbine conditions—particularly the coupling between turbulence and fast hydrogen diffusion—is poorly understood and difficult to tailor. In this talk, I discuss how emerging exascale computing might in principle enable first-principles direct numerical simulation (DNS) of turbulent combustion of these blends, thus enabling for the first time a detailed understanding of pressure effects on combustion rate, blow-off limits, and chemical pathways for NO_x and N₂O formation. With the extreme scale data at the exascale, however, comes challenges for data management and analysis. Hence, I also discuss novel mitigation strategies, including on-the-fly model-driven data compression of high-dimensional reactive flow data (with O(100) species).

Bio: Jacqueline H. Chen is a Senior Scientist at the Combustion Research Facility at Sandia National Laboratories. She has contributed broadly to research in turbulent combustion elucidating turbulence-chemistry interactions in combustion through direct numerical simulations. To achieve scalable performance of DNS on heterogeneous computer architectures she leads an interdisciplinary team of computer scientists, applied mathematicians and computational scientists to develop an exascale direct numerical simulation capability for turbulent combustion with complex chemistry and multi-physics. She is a member of the National Academy of Engineering and a Fellow of the Combustion Institute and the American Physical Society. She is an Associate Fellow of the AIAA. She is member of the Council for the American Association for the Advancement of Science. She received the Combustion Institute’s Bernard Lewis Gold Medal Award in 2018, the Society of Women Engineers Achievement Award in 2018, the Department of Energy Office of Science Distinguished Scientists Fellow Award in 2020, and the R&D100 Award for the Legion Programming System in 2020.

Monday, October 31, 9:45AM – 10:30AM

Name: Yildiz Bayazitoglu

Presentation Title: Radiation Environment in Space and Shielding Materials

Abstract: Historically, most human space activities have taken place in the low Earth orbit, where the most of the hazardous radiation is attenuated by the Van Allen belt. Only a few people who went to the moon travelled outside of the radiation protection zone and they stayed a very short period of time. The contemplated spaceflights beyond the Earth’s magnetosphere or for colonization of places like the Moon and Mars require an extensive radiation protection research with reliable evaluation tools. A good radiation shielding material for humans and equipment should optimize several primary goals. It should effectively attenuate the Galactic cosmic rays, it should produce fewer secondary particles and it should be structurally stable to carry the load. Among them, for example, aluminum is the most widely used passive shielding material for spacecrafts. Though structurally stable, aluminium is not good at shielding Galactic cosmic radiation, when the rays penetrate, it produces lots of neutrons. Polyacetylene decorated with titanium, lithium, or boron to facilitate enhanced hydrogen bonding and storage within the structure, radiation shield to produce improved blocking of dangerous particle radiation sources and to reduce secondary emission of dangerous neutrons. The doped polymer materials would appear to have no inherent limitations except perhaps the percentage of hydrogen that could be bound or stored. Even at the stage of its early development, it provides considerable improvement to shielding and also has structural integrity. The purpose of this presentation is to give an overview of space radiation environment, commonly used evaluation tools and methods, and to provide a perspective of Galactic cosmic radiation shielding materials.

Bio: Bayazitoglu is the H.S. Cameron Chair Professor of Mechanical Engineering and Professor of Materials Science and Nanoengineering at Rice University, Houston Texas. She received all of her degrees in mechanical engineering, BS from the Middle East Technical University, Ankara, Turkey and MS and PhD from the University of Michigan, Ann Arbor, Michigan. She co-authored Elements of Heat Transfer and its revision Textbook on Fundamentals of Heat Transfer. Bayazitoglu served as the chair of the Heat Transfer Division and the chair of Committee of Awards of ASME. She was an associate editor of ASME JHT and Editor-in-Chief of Inter IJTS for fourteen years. Currently, she is the vice president of the International Center of Heat and Mass Transfer. At Rice, Bayazitoglu received Brown Superior Teaching Award, Outstanding College Associate Award, HM Rich Outstanding Invention Award, GSA Teaching-Mentoring Award, Chance Teaching Prize, University Faculty Impact Award and Presidential Mentoring Award. From the ASME, she received Heat Transfer Memorial Award and Heat Transfer Division Service Award. She is one of the ASME HTD 75th Anniversary Medal recipient. She is a Fellow and Honorary Member of the ASME, a Fellow of the American Association of Advancement of Science. She received the DEA and the Achievement Award from the Society of Women Engineers. She is the recipient of the University of Michigan, Engineering Alumni Merit Award. She received ICHMT Fellowship Award, and elected honorary member of Turkish Academy of Sciences.

Wednesday, November 2, 9:45AM – 10:30AM

Name: Jayathi Y. Murthy

Presentation Title: Multiscale Simulation Techniques for Sub-continuum Phonon and Gas-Phase

Abstract: During the last two decades, a variety of efficient computational methods have been developed to understand the behavior of microscale devices and systems involving fluid flow and heat transfer. In this talk, we provide an integrated overview of multiscale finite volume methods for sub-continuum transport which recognize the commonality of the theory underlying phonon and gas-phase transport at small scales. In the particle limit, when coherence effects can be neglected, phonon transport may be described by the phonon Boltzmann transport equation. Wave-vector resolved descriptions are essential for understanding the physics underlying strongly non-equilibrium transport, such as that encountered in ultra-scaled transistors. However, phonon relaxation times in materials such as silicon span 4-5 orders of magnitude and the resulting spread in Knudsen number causes conventional computational algorithms to perform very poorly or even fail completely. Similar problems are encountered in rarefied gas dynamics, for example, in the Bhatnagar-Gross-Krook (BGK) model and its variants. Over the last decade, we have developed fast convergent finite volume schemes based on either multigrid methods or on hybrid continuum-BTE descriptions which address this range of Knudsen number and which are 2-200 times faster than existing schemes. We show that multigrid methods scale extremely well on large-scale parallel platforms. Furthermore, we have also developed Bayesian multiscale simulation techniques to span the range from molecular dynamics to continuum scales. Applications of these methods to sub-continuum heat transfer and fluid flow problems are presented.

Bio: Jayathi Murthy is the Ronald and Valerie Sugar Dean of the Henry Samueli School of Engineering and Applied Science at the University of California, Los Angeles. Previously she held the Ernest Cockrell Jr. Chair and served as Department Chair of Mechanical Engineering at The University of Texas at Austin. She also served as Director of the $21M NNSA PRISM Center at Purdue for Prediction of Reliability, Integrity and Survivability of Microsystems during 2008-2014. She received her Ph.D degree from the University of Minnesota in the area of numerical heat transfer and has worked in both academia and in industry. She was an early employee of Fluent Inc., a leading vendor of CFD software, where she developed the widely-used unstructured solution-adaptive finite volume methods that underlie their flagship software Fluent, and the electronics cooling software package ICEPAK. More recently, her research has addressed sub-micron thermal transport, multiscale multiphysics simulations of MEMS and NEMS and uncertainty quantification in these systems. She is the recipient of numerous recognitions, including the ASME Heat Transfer Memorial Award and was inducted into the National Academy of Engineering and as a Foreign Fellow of the Indian National Academy of Engineering. Prof. Murthy has served on numerous national committees and panels on electronics thermal management and CFD, and is the author of over 300 technical publications.

Tuesday, November 1, 9:15AM - 10:00AM

Name: Ares Rosakis

Presentation Title: Mechanics Dispels the Myth that Strike-Slip Fault Earthquakes are Incapable of Generating Killer Tsunamis

Abstract: On September 28, 2018, an inexplicably large tsunami devastated the Indonesian coastal city of Palu (Sulawesi). Between the tsunami and the magnitude 7.5, earthquake that caused it, some 4,340 people were killed, making it the deadliest earthquake that year. The Palu earthquake rupture was super-shear (its speed exceeded the shear wave speed of crustal rock) and occurred on the strike-slip segment of the Palu-Koro fault system bisecting the narrow Palu bay. While tsunami generation from underwater ground motions associated with thrust-fault earthquakes has long been recognized as a major hazard to coastal and marine areas, the ability of underwater strike-slip faulting to generate substantial tsunamis has been dismissed by tsunami experts. Here we discuss the results of a study which shows that near-fault ground motions due to strike-slip earthquakes can indeed create large tsunamis under rather generic conditions applicable to Palu and elsewhere. We demonstrate that super-shear, strike-slip earthquake ruptures are very efficient in producing tsunamis due to the interactions of resulting unattenuated shear Mach-Cones with close-by shorelines and bay boundaries. To this end, we have developed a coupled computational mechanics framework that integrates fully 3-D models for earthquake rupture dynamics with fluid mechanics models of tsunami generation and propagation. The three-dimensional, time-dependent, vertical and horizontal ground motions from spontaneous dynamic rupture models are translated into a moving bathymetry of the bay that drives the 2D nonlinear shallow water-wave equations. We find that supershear ruptures propagating along underwater, strike-slip faults, traversing narrow bays, are prime candidates for tsunami generation. We also show that, the dynamic focusing effect and the large horizontal displacements, characteristic of strike-slip earthquakes (especially super-shear ones) on long faults, are the critical drivers for the tsunami hazard in bays. These findings point to intrinsic mechanisms for tsunami generation by strike-slip faulting that do not require us to invoke complex seismic sources, landslides, or complicated bathymetries. We identify three distinct phases in the tsunami motion; an instantaneous dynamic phase, a lagging co-seismic phase, and a classical post-seismic phase, each of which affect the coastal areas differently. We conclude by emphasizing the need for re-evaluating the near-source tsunami hazard to coastal areas (e.g. the SF bay area in CA or the bay of Al Aqaba in the Red Sea) from local strike-slip faults.

Bio: Ares J. Rosakis is the Theodore von Kármán Professor of Aeronautics and Mechanical Engineering at Caltech. He has served as the Director of Graduate Aerospace Laboratories, GALCIT (2004-2009) and as the Dean of Division of Engineering and Applied Science EAS (2009-2015). He is a fellow of U.S. National Academy of Sciences, U.S. National Academy of Engineering, the American Academy of Arts and Sciences, Academia Europaea, the European Academy of Sciences, the Academy of Athens, the Academia Scientiarum et Artium Europaea, and the Indian National Academy of Engineering. He is also fellow of various professional societies and was honored with numerous awards and medals such as the Timoshenko (ASME), von Kármán (ASCE), Eringen (SES), Bazant (ASCE), Theocaris (SEM), Kingslake (SPIE) and Horace Mann (Brown U.) medals and has been named Commandeur dans l'Ordre des Palmes Académiques by the republic of France. He received his B.A. and M.A. from Oxford University and his M.S. and Ph.D. from Brown University.

Rosakis has contributed widely to Engineering and Geophysics and is credited with the experimental discovery of “Intersonic” or "Supershear" rupture processes in both coherent and frictional interfaces of relevance to the failure of both composite materials and to earthquake rupture processes. His research on materials and their failure processes spans a multitude of length and time scales ranging from sub-μm (reliability of thin films) to 105m (dynamic earthquake fault ruptures) and from nanoseconds (hypervelocity impact in space) to years (creeping ruptures and interfaces). Visit his website.

Monday, October 31, 9:45AM - 10:30AM

Title: Turbulence of Low Temperature Helium

Speaker: K.R. Sreenivasan

Abstract: Helium remains a liquid even down to zero Kelvin. A component of it flows without friction below about 2.17K. For flow speeds exceeding a critical value, vortices with certain quantum mechanical properties are formed spontaneously. Tangles of these vortices acquire properties similar to turbulence of ordinary fluids such as water and air. The talk will discuss these topics at an elementary level.

Bio: Professor K.R. Sreenivasan is a fluid dynamicist currently working in New York University. His work as a scholar and an academic leader has been recognized broadly. He was elected to the National Academy of Sciences (NAS), National Academy of Engineering (NAE), American Academy of Arts and Sciences (AAAS), Indian Academy of Sciences, Indian National Science Academy, Academy of Sciences for the Developing World (TWAS), African Academy of Sciences, and Accademia dei Lincei in Italy, among others. In particular, he is the recipient of the 2022 ASME Medal.

Wednesday, November 2, 9:45AM - 10:30AM

Name: Dr. Edward DeMauro

Presentation Title: Quantification of the interaction of a streamwise vortex with an oblique shock wave at Supersonic Flows

Abstract: Stereoscopic particle image velocimetry (SPIV) is a useful tool for interrogating complex flow fields across a wide range of Mach numbers. Within a high-supersonic flow, performing SPIV is non-trivial and requires precise timing and attention to particle response. In this talk, I will provide an overview of our facility at Rutgers. I will focus on some of the challenges that we have had to overcome in implementing SPIV capabilities within our facility.

Following this, I will provide an example of the measurements we perform within my group, focusing primarily on the interaction of a streamwise wing-tip vortex with an oblique shock wave (OSVI).

In high-speed flows, wing-tip vortices can impinge upon oblique shocks, potentially resulting in unwanted aerodynamic loading on a flight vehicle. Experiments were performed within a supersonic wind tunnel at a freestream Mach number of 3.4 to quantify the interaction of a streamwise vortex with a series of oblique shock waves using stereoscopic particle image velocimetry. For these experiments, the streamwise vortex was created using a diamond-shaped wing with a free-end, pitched to one of two angles of attack. Downstream of the wing, the streamwise vortex encountered an oblique shock, generated by a wedge (∅ = 15, 20, 25°). Measurements revealed that the resultant interactions could be classified as weak or moderate, depending on the swirl and shock strengths. Furthermore, a dramatic decrease in post-shock velocity was observed under the influence of even the weaker of the two vortices. Moderate interactions were associated with a conical shock formation, which gave rise to heightened levels of turbulence kinetic energy, implying unsteadiness in the structure. Following planar measurements, a pair of volumetric data sets were created for the ∅ = 25° shock encountering both vortices. The results demonstrated that the vortex persists intact downstream of the shock, while changing direction parallel to the shock generator surface.

Bio: Dr. Edward DeMauro is an assistant professor of the Department of Mechanical and Aerospace Engineering at Rutgers University, having joined the department in 2017. He obtained his B.S. and M.S. degrees in Aerospace Engineering from the University at Buffalo in 2006 and 2008, respectively. He then went on to receive his Ph.D. in Mechanical Engineering from Rensselaer Polytechnic Institute in 2012. From 2015-2016, Dr. DeMauro was a postdoctoral appointee within the Aerosciences Department within the Engineering Sciences Center at Sandia National Labs in, where he performed research on shock-particle interactions and transonic store separation. Dr. DeMauro is the director of the Emil Buehler Supersonic Wind Tunnel at Rutgers, where he conducts research into shock-vortex interactions, axisymmetric shock-boundary layer interactions, and laser energy deposition flow control. Dr. DeMauro is a senior member of the American Institute of Aeronautics and Astronautics (AIAA), having served as associate member of the Fluid Dynamics Technical Committee and Flow Control Subcommittee. Recently, Dr. DeMauro received the 2020 AFOSR DURIP for acquisition of high-speed pressure-sensitive paint equipment. In addition, he has received funding from AFOSR for studying the aero-optics of high-speed shear layers.

Thursday, November 3, 9:15AM - 10:00AM

Name: Dr. Nicholas Glavin

Presentation Title: Towards Scalable 2D Electronic Materials

Abstract: The rapid development of 2D materials for electronics has resulted in device engineers scrambling to tackle challenges associated with reaching device manufacturing at scale. In this talk, strategies and processes to enable scalable fabrication of devices which harness the multifunctional nature of 2D materials is presented. These techniques include low cost and customizable laser-manufacturing approaches, where high throughput structure/property evaluation can allow for rapid device design. This same process can be implemented in a roll-to-roll configuration to allow for manufacturing of 2D devices at scale for detection of a host of different sensing environments including detection of viruses and harmful vapors. Additionally, a two-step metal conversion process will be discussed that allows for direct synthesis of 2D transition metal dichalcogenide superlattices which can result in heterostructures of interest to future system development.

Bio: Dr. Nicholas R. Glavin is a Senior Materials Engineer in the Materials and Manufacturing Directorate at the Air Force Research Laboratory. His research is primarily focused on industrially-relevant processes to enable two-dimensional (2D) nanomaterials for DAF and USSF applications in electronics and sensors. These 2D nanomaterials have demonstrated viability in future capabilities in wearable devices, conformal radio frequency systems, electronic platforms with reduced SWAP, and low cost-high volume production of sensor devices. He has pioneered many key advances in the field including the first demonstration of an ultrathin a-BN dielectric, flexible gallium nitride device enabled by h-BN, current record limit of detection of volatile organic compounds in transition metal dichalcogenide systems, and roll-to-roll manufacturing of sensor materials for the ultrasensitive detection of chemical and biological threats. He has received numerous awards including the Charles J. Cleary Research Excellence Award, the Robert T. Schwartz Engineering Excellence Award, the Air Force Office of Scientific Research Star Team Award, and the Air Force John L. McLucas Honorable Mention. He is very active in numerous societies including American Vacuum Society (AVS), Materials Research Society (MRS), the International Microelectronics and Packaging Society (IMAPS) and the Institute of Electrical and Electronics Engineers (IEEE). He is currently the AVS Ohio Vice Chair, serves on the IMAPS Government and Defense Committee, and is on the advisory board for the Penn State Center for Biodevices.

Thursday, November 3, 9:15AM - 10:00AM

Name: Carol Smidts

Title: Propagation based fault detection, discrimination, and safety analysis for industrial systems

Abstract: Normal industrial system operations may be interrupted by faults not promptly detected and diagnosed. Faults may be introduced during the stages of system design, development, and operation. System safety can be improved by preventing fault occurrence or quickly identifying and isolating faults during system operation in the event of a fault occurrence. On the one hand, fault prevention can be achieved by improving system design. On the other hand, fault detection and isolation can be achieved by using efficient online monitoring systems. This presentation introduces how the Integrated System Fault Analysis (ISFA) technique and fault ontologies can be used to address these two problems.

The ISFA technique uses qualitative physics and first principles to model the behaviors of system components. It also establishes functional failure logics based on propositional logic for identifying the states of system functions. Fault ontologies, defined as a domain knowledge repository with various types of faults and their attributes, can be employed to generate the possible faults that may occur during system operation. Based on the qualitative models, the ISFA technique utilizes the solver of satisfiable modulo theory to infer fault propagation paths through the system under analysis. The analysis results can then be used to identify the critical components whose failures will cause catastrophic consequences. System safety can be improved by advancing the reliability of such components or changing the system structure to mitigate the consequence when a fault occurs. In addition, the ISFA outputs can be used to improve the efficiency of online monitoring systems by optimizing the deployment of sensors used for monitoring. The optimal sensor deployment is obtained by evaluating the signal features inferred by the ISFA solver.

Applications of the methods introduced include nuclear power systems, hybrid energy systems, and real time computer systems.

Bio: Dr. Carol Smidts is a Professor of Nuclear, Mechanical, and Aerospace Engineering at The Ohio State University. Her research lies in risk and reliability analysis and in human factors, instrumentation and control, including human reliability analysis, probabilistic analysis of dynamics for complex systems, reliability analysis of digital instrumentation and control systems, software reliability modeling and software test automation, and distributed test facility design. Additionally, she is the author of more than 190 refereed journal and conference publications, as well as the recipient of multiple awards and 4 patents. Her research has been sponsored by Government (DOE, AFSOR, AFRL, NRC, NASA, NSF, FAA, DOD, NSA) as well as by industry (Texas Instruments, IBM). She is an IEEE Fellow, and was the conference co-Chair of the IEEE International Symposium on Software Reliability Engineering (2006 and 2013), IEEE High Assurance Systems Engineering (2008), NPIC-HMIT (2019), and technical program chair for Probabilistic Safety Assessment (2021), an Associate Editor for Software Testing Verification and Reliability, and she is the Chair of ANS’ Human Factors Instrumentation and Control Division (HFICD).

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