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Abstract: The stiffness of car body structure is one of the most
important mechanical properties. The experimental equipments are
developed for studying the bending stiffness and torsional stiffness of
Chang’an minibus. The stiffnesses of white body are determined
experimentally. Also, the stiffnesses are investigated by using finite
element analysis. It is found that the results of finite element
analyses are in good agreement with the that of experiments. The
conclusions of this study can provide significant basis and method for
analyzing and optimizing of car body structure of the same kind.
Key words: Car body Stiffness Finite element analysis
CLC No: U270
Received 20031009, received in revised form
20040512
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