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Study of Structural Dynamics Modification Based on Sensitivity Analysis

DING Li fen, MIAO Long xiu (School of Mechanical and Electrical Engineering ,Northern Jiaotong University, Beijing 100044, China)  
This paper put forward an improvement on the method for structural dynamics modification based on the sensitivity analysis to use it in the practice. As an example, a partial structure of car body of the articulated high speed passenger train is modified to increase its natural frequency. At the same time, a general step of the modification is presented, it has considerable practical worth.
【CateGory Index】: TB122
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