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Multi-physics Modeling of Technological Systems
book

Multi-physics Modeling of Technological Systems

by Marc Budinger, Ion Hazyuk, Clément Coïc
July 2019
Intermediate to advanced content levelIntermediate to advanced
386 pages
9h 7m
English
Wiley-ISTE
Content preview from Multi-physics Modeling of Technological Systems

3Setting Up a Lumped Parameter Model

Summary

This chapter aims to offer the reader an introduction to setting up a lumped parameter model. It is often the engineer’s task to set up a model that enables the representation of a given system. An abstraction effort is therefore required, and the representation of the model to be set up will have a level of detail that depends on the type of excitation and on the intended objective. This chapter draws on an example of an electric fan power drive. It presents deduction approaches that progressively increase model complexity until achieving the intended phenomenon, as well as model reduction approaches that enable the selection of the main elements from an initially complex model.

Learning outcomes

On completing this chapter, the reader is expected to:

  • – Concerning the analysis and modeling of a multi-physics system:
    • - Identify the main domains (electricity, mechanics, hydraulics, heat transfer, and signal) and the system interfaces;
    • - Systematically analyze (table) the various effects (transformer, storage, and dissipation) of a system;
    • - Be able to evaluate the importance of an effect based on geometric criteria and on the properties of materials;
    • - Set up a 0D/1D Modelica diagram of a multi-physics system;
  • – Concerning the modeling approaches and the selection of adapted models:
    • - Know how to adapt a model complexity level to the requirements (depending notably on the range of excited frequency);
    • - Set up an increasingly ...
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Publisher Resources

ISBN: 9781786303783Purchase book