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《JOURNAL OF SOUTHEAST UNIVWRSITY(NATURAL SCIENCE EDITION)》 1999-02
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A Test Research of Structural Damage Detection by Using Model Strain Energy

Shi Zhiyu 1 Lu Lingyi 2 ( 1 Department of Aircraft Engineering, Nanjing University of Aeronautics & Astronautics, Nanjing 210016) ( 2 College of Civil Engineering, Southeast University, Nanjing 210096)  
A method based on elemental modal strain energy change is presented for detecting damage in a structure. This method only makes use of mode shapes before and after the occurrence of damage and elemental stiffness matrix as damage detection information. Experimental results illustrate that this method is robust to detect damage from the noisy and incomplete measured modes.
【Fund】: 国家自然科学基金 航空科学基金
【CateGory Index】: TU311.3,TU311.3
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