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《JOURNAL OF VIBRATION AND SHOCK》 1994-01
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IDENTIFICATION TECHNIQUE OF THE CONNECTING STIFFNESS FOR COMPLEX STRUCTURE USING OPTIMIZATION

Hong Zhongyu;Zhou Qian(Shanghai Institute of Mechanical Engineering)(China Ship Scientific Research Center)  
Abstract In order to identify the very important connecting stiffness between substructures or on theborders,in this paper,the authors present an identification technique using multi-objectiveprogramming to analysis complex structure by component mode synthesis method.First,connecting stiffness of finite element model are identified by parameter identification(PID)method,thendynamic modification is applied to the model using multi-objective programming.At last,the ocrrect comPuting finite element model and its connecting stiffness which coincide with modal testingresults are obtained.
【CateGory Index】: O327
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