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《Journal of Guilin University of Technology》 2014-01
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Density parameters inversion for structures based on regularization method

DENG Chao-ling;LIU Hong-jun;SONG Bi-hong;CHEN Jun-bo;College of Civil Engineering,Chongqing University;Northwest Institute of Nuclear Technology;  
In structure identification,the changing of structural actual physical state will affect the dynamic responses of the structural degrees of freedom. Reverse indentification of the actual state based on the dynamic properties of the structure belongs to the inverse research. Therefore,parameter inversion and identification develop extensive research. To achieve structural parameter identification based on regularization method by the dynamic characteristics( natural frequencies and modes),the interval dynamic characteristics are given. The interval parameters of the structure elastic modulus E,density p are achieved based on regularization method.
【Fund】: 中央高校基本科研业务费资助项目(CDJZR13200037;CDJRC10200016)
【CateGory Index】: P207
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