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| Study on the cause of dynamic stiffening of flexible multibody system |
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| DOI：10.7511/jslx19994068 |
| KeyWord:flexible multibody,dynamic stiffening,cause,modeling method,coupling deformation |
| Jiang Lizhong \ \ Hong Jiazhen |
(Department of Engineering
Mechanics, Shanghai Jiaotong University, Shanghai 200240, China)
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| Abstract: |
| The coupling between deformation of flexible body and the inertia forces caused by large overall motion is handled so simple that the complate erroneous results will be produced in dealing with the problems of high speed large overall motions by using traditional theory of flexible multibody systems. The cause of erroneous results are explained through analysis of a thin elastic plate in large overall motions and the coupling modeling method of flexible multibody systems is discussed in this paper. |