Flexible multibody simulation using hybrid integration scheme

Research output: Contribution to journalArticle

Abstract

One issue in the dynamic simulation of flexible multibody system is poor computation efficiency, which is due to high frequency components in the solution associated with a deformable body. Standard explicit numerical methods should take very small time steps in order to satisfy the absolute stability condition for the high frequency components and, in turn, the computational efficiency deteriorates. In this study, a hybrid integration scheme is applied to solve the equations of motion of a flexible multibody system for achieving better computational efficiency. The computation times and simulation results are compared between the hybrid scheme and conventional methods. The results demonstrate that the efficiency of a flexible multibody simulation can be improved by using the hybrid scheme.

Original languageEnglish (US)
Pages (from-to)1-11
Number of pages11
JournalMultibody System Dynamics
DOIs
StateAccepted/In press - Jan 13 2016

Keywords

  • Computational efficiency
  • Flexible multibody system
  • Hybrid numerical integration

ASJC Scopus subject areas

  • Mechanical Engineering
  • Aerospace Engineering
  • Computer Science Applications
  • Control and Optimization
  • Modeling and Simulation

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