Numerical Analysis of Flexible Multibody Systems

被引：0
|
作者：
Bernd Simeon
机构：
[1] University of Karlsruhe,Centre for Scientific Computing and Mathematical Modelling (IWRMM), Faculty of Mathematics
来源：
Multibody System Dynamics | 2001年 / 6卷
关键词：
flexible MBS; numerical analysis; stiff mechanical systems; DAEs;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Flexible multibody systems featurea coupled mathematical model with ODEs or DAEs governing the gross motion and PDEs describing the elastic deformation of particular bodies.Frequently, semidiscretization of elastic members leads to a stiff mechanical system with widely different time scales. Thispaper investigates the behavior of numerical time integration methodsat flexible multibody systems and gives some recommendations.Simulation results for a slider crank mechanism and a truck modelillustrate what can go wrong and how implicit methods like RADAU5 can beeffectively applied.
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页码：305 / 325
页数：20
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