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New efficient method for dynamic modeling and simulation of flexible multibody systems moving in plane

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An Erratum to this article was published on 18 May 2010

Abstract

Efficient, precise dynamic analysis for general flexible multibody systems has become a research focus in the field of flexible multibody dynamics. In this paper, the finite element method and component mode synthesis are introduced to describe the deformations of the flexible components, and the dynamic equations of flexible bodies moving in plane are deduced. By combining the discrete time transfer matrix method of multibody system with these dynamic equations of flexible component, the transfer equations and transfer matrices of flexible bodies moving in plane are developed. Finally, a high-efficient dynamic modeling method and its algorithm are presented for high-speed computation of general flexible multibody dynamics. Compared with the ordinary dynamics methods, the proposed method combines the strengths of the transfer matrix method and finite element method. It does not need the global dynamic equations of system and has the low order of system matrix and high computational efficiency. This method can be applied to solve the dynamics problems of flexible multibody systems containing irregularly shaped flexible components. It has advantages for dynamic design of complex flexible multibody systems. Formulations as well as a numerical example of a multi-rigid-flexible-body system containing irregularly shaped flexible components are given to validate the method.

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Authors and Affiliations

  1. Institute of Launch Dynamics, Nanjing University of Science and Technology, Nanjing, 210094, P.R. China

    Bao Rong, Xiaoting Rui, Guoping Wang & Fufeng Yang

Authors
  1. Bao Rong
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  2. Xiaoting Rui
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  3. Guoping Wang
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  4. Fufeng Yang
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Corresponding author

Correspondence to Bao Rong.

Additional information

An erratum to this article can be found at http://dx.doi.org/10.1007/s11044-010-9203-1

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Rong, B., Rui, X., Wang, G. et al. New efficient method for dynamic modeling and simulation of flexible multibody systems moving in plane. Multibody Syst Dyn 24, 181–200 (2010). https://doi.org/10.1007/s11044-010-9196-9

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  • DOI: https://doi.org/10.1007/s11044-010-9196-9

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