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《Sichuan Building Science》 2008-06
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Application of MSE method based on mode shape expansion in structural damage detection

XU Weiwei,DING Xiaotang,XIAO Ye (College of Civil Engineering,Hehai University,Nanjing 210098,China)  
Complete mode shapes are needed when detecting structural damages using the MSE method,but measured mode shapes are always incomplete.Taking example for plane frame and plate,based on the principle that theoretic DOFs match measured DOFs,after the incomplete measured mode shapes are expanded,damage identification is done in this paper.The results show that the MSE method can well identify the position and degree of damages when only the incomplete mode shape vector can be obtained.This method is simple and easy and provides references for practical engineering application.
【CateGory Index】: TU312.3
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