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OMAE 2023 > Program > Short Courses

Short Courses

This year's short course offerings in Melbourne, Australia will include the topics below. Please do not hesitate to register for the course you are interested in. Courses with low attendance may be cancelled.

The dates of the courses are Saturday, June 10th, and Sunday, June 11th. Please note that these times are on a 24hr Clock and UTC+10 (AEST) on the date of the event(s).

 

Date: Sunday, June 11, 2023 - 8:15-12:00
Instructor: Dr. Damien Guihen

Dr. Damien Guihen

Course Description: Autonomous Maritime Systems (AMS) are advancing rapidly and will play an increasingly important role in the offshore industry, including supporting logistics and the provision of hydrographic survey.

This short course covers an overview of Autonomous Underwater Vehicle and Unmanned Surface Vehicles technology, key terminology, operating concepts, and system capabilities/limitations.

What will students learn in your course: The elements of autonomous maritime systems will be illustrated. Their operation will be described and used to explore the current operational contexts and development trajectories for autonomous operation in the maritime environment.

The meaning of autonomy will be discussed, and placed within technical, operational, and legislative contexts.

 

This course has been cancelled.

Date: Saturday, June 10, 2023, 8:15-12:00
Instructor: Michael Woodward, Associate Professor in Marine Engineering, AMC/AMC Search/UTAS

Michael Woodward is Associate Professor of Marine Engineering at the Australian Maritime College. Among other roles he sits on the Executive Council of the ITTC, the International Scientific body responsible for standard procedures in hydrodynamic experimentation. He has in the past served various roles within the ITTC related to EUA, including sitting on a EUA Specialist Committee and two terms looking after EUA on the Quality Systems Group. His published research in the field stretches from analyzing the uncertainty in towing tank maneuvering tests through to practical guidelines for EUA when conducting a Ship Inclining Experiment.

Course Description:

Aims and Objectives: The aim of the course is to provide a working knowledge (including CPD) for the practicing maritime engineer and/or project manager, with respect to Experimental Uncertainty Analysis (EUA). The objective is to, for the practicing engineer, build competency through broader engineering knowledge and, for the project manager, inform decision making when precuring/contracting hydrodynamic tests.

Topics Covered: The course will introduce the fundamental concepts of EUA, and the underlying mathematics. It will provide case study examples for typical hydrodynamic situations, that will be tackled in an experiential learning environment. It will cover the roles of regulatory bodies and present the methodologies agreed in the hydrodynamic community for standard experiments.

Pre-requisites and Materials:

  • Introductory level understanding of statistics and basic naval architecture.
  • Bring a pen, paper, and a laptop with Spread Sheet application (Excel or similar).

Date: Sunday, June 11, 2023, 8:00-17:00
Instructor: Guillaume Ducrozet, Associate Professor, PhD, Ecole Centrale Nantes, LHEEA Lab (France)

Guillaume Ducrozet

Course Description: The design of marine structures is mainly driven by the forces induced by ocean waves. Then, the accurate description of those nonlinear waves is essential in ocean engineering. To understand, model and reproduce the propagation of complex wave fields (irregular, short-crested) in domains of significant size, the most relevant approach relies on the use of potential flow theory. Different approaches can be used to discretize and solve numerically the problem. This course aims to present one accurate and efficient methodology to address the fully nonlinear wave propagation problem, namely the High-Order Spectral (HOS) method. It includes a theoretical description of this nonlinear wave model with a focus on the numerical properties of the method. The advantages and drawbacks, compared to other existing approaches, are presented. Special emphasis is placed on the practical use of HOS models with recommended practices, taking as reference the open-source codes HOS-ocean and HOS-NWT. A specific section introduces the possibility of coupling between HOS and other models requiring the description of the velocity/pressure fields induced by the waves (such as CFD models to address the wave-structure interaction problems). The course is primarily intended for industry professionals, researchers, and graduate students in marine and offshore engineering who desire an introduction on nonlinear wave propagation models as well as those who are eager to perform nonlinear wave simulations for specific applications: Digital Twin of an experimental wave tank, specific irregular sea state configuration in open ocean, wave-structure interactions, etc.

What Will students learn in your course:

The students will learn the theoretical background of the HOS models as well as their numerical properties (convergence, efficiency, accuracy). The will learn how to use the open-source solvers HOS-ocean and HOS-NWT as well as how to choose the numerical parameters. After the course, they will be able to perform numerical simulations of nonlinear wave propagation of different types of sea states (regular waves, irregular waves, long- and short-crested) in an open-ocean context as well as in a wave tank. Finally they will know the proper methodology to couple the HOS solvers to other numerical codes such as CFD.

This course has been cancelled.

Date: Saturday, June 10, 2023, 8:00-17:00

Instructors:

Nathan Tom

Nathan Tom
Researcher IV-Mechanical Engineering/Water Power Program
National Renewable Energy Laboratory

Nathan Tom

Daniel Gaebele, Ph.D.
Senior R&D Electrical Engineer

Course Description: While the design tools and numerical analyses applied to the study of other ocean going systems are similar, wave energy converters (WECs) pose novel design challenges. This course reviews several considerations related to the design and operation of WECs, demonstrates a series of methodologies, and introduces wave energy design tools. Fundamentals of hydrodynamics, power take-off (PTO) systems, and control co-design for WECs are presented, resulting in a complete wave to wire WEC model. Best practices for designing experiments and performing system identification to obtain numerical models for WECs will also be discussed. The course also covers background and practical considerations for WEC design optimization, an introduction to high-fidelity models, and trade-off with design codes.

Course Highlights:

  • Introduction to wave energy conversion and hybrid systems (e.g. wind-wave, wave-desalination)
  • Wave mechanics and hydrodynamic fundamentals
  • Power take-off systems for wave energy converters
  • Model WECs from wave to wire (with introduction to WEC-Sim)
  • WEC control co-design and implementation (with introduction to WecOptTool)
  • System identification and experimental testing of WECs
  • Introduction to high-fidelity models and trade-off with design codes

What will students learn in your course:

  • Understand basic WEC design concepts, components and subcomponents
  • Identify challenges in WEC design and applications
  • Model WECs from wave to wire, including hydrodynamics, PTO, and control
  • Gain a foundational understanding on how to model offshore energy devices for hybrid systems analysis

Who should attend: Those interested in learning more about the current state of WEC and offshore floating systems (i.e. platforms) design practices. Many of the same numerical methods and analysis techniques used in WEC design are also applicable to offshore wind and floating solar applications.

Course Instructors: Representatives from Sandia National Laboratories and the National Renewable Energy Laboratory. Both are United States National Laboratories supporting the United States Department of Energy Water Power Technologies Office (WPTO) in developing marine energy technologies.

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