不同有限元软件工具中模型降阶方法的比较

2010 11th International Thermal, Mechanical & Multi-Physics Simulation, and Experiments in Microelectronics and Microsystems (EuroSimE) Pub Date : 2010-04-26 DOI:10.1109/ESIME.2010.5464612

M. Jungwirth, D. Hofinger, H. Weinzierl

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引用次数: 4

摘要

比较了有限元仿真工具中模型阶数降阶(MOR)的建模方法和仿真方法。考虑了两个主要的软件工具:ANSYS Multiphysics 11及其对ANSYS 2.55的扩展MOR和COMSOL Multiphysics 3.5a与MATLAB/Simulink的模型降阶接口。比较了两种软件的仿真时间和仿真质量。列举了所遇到的优点和缺点。首先简要回顾了MOR中使用的不同数值方法，并对ANSYS和COMSOL中实现的算法进行了电热问题的测试。列举并比较了模型建立和参数化的局限性和可用性。给出了使用这两种工具的逐步过程，并详细比较了结果。

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A comparison of model order reduction methods used in different FE software tools

A comparison between modelling and simulation methods in regard to model order reduction (MOR) in finite element (FE) simulation tools is presented. Two main software tools are taken into consideration: ANSYS Multiphysics 11 with its extension MOR for ANSYS 2.55 and COMSOL Multiphysics 3.5a with a model order reduction interface to MATLAB/Simulink. The results achived with both software packages are compared concerning simulation time and quality. The encounterd advantages and disadvantages are named. Starting with a short review on the different numerical methods used in MOR the implemented algorithms within ANSYS and COMSOL are tested on an electro-thermal problem. The limitations and the usability concerning model setup and parameterization are listed and compared. A step-by-step procedure using both tools is given and the results are compared in detail.

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来源期刊

2010 11th International Thermal, Mechanical & Multi-Physics Simulation, and Experiments in Microelectronics and Microsystems (EuroSimE)

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