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《MECHANICS AND ENGINEERING》 1999-04
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A METHOD FOR LOCATING DAMAGE USING STRuCTURAL DYNAMICS PARAMETER

DONG Cong(Tsinghua University, Beijing 100084, China)  
The damage locating method based structural dynamics parameter has been a focus problem, but has no feasible solving method until now. The present paper finds that the variable for locating damage should be a type of local variable, and meet the following two basic requirements: 1) to be sensitive to local damage. 2) to be a monotonous function of location coordinates. The first order variational relationship about structural strain is found, from which a feasible mothod for locating damage can be obtained.
【Fund】: 国家自然科学基金;;航空基金;;攀登计划重大项目;;国际合作资助
【CateGory Index】: O346
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