Erratum to: New efficient method for dynamic modeling and simulation of flexible multibody systems moving in plane |
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Authors: | Bao Rong Xiaoting Rui Guoping Wang Fufeng Yang |
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Affiliation: | (1) College of Engineering, Sun Yat-sen University, Guangzhou, 510275, China;(2) Institute of Power Engineering, Nanjing University of Science & Technology, Nanjing, 210094, China |
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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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