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JIANG You-bao, FENG Jian, MENG Shao-ping. MODE JUMPING RESEARCH IN STRUCTURAL DAMAGE IDENTIFICATION[J]. Engineering Mechanics, 2006, 23(6): 35-40,7.
Citation: JIANG You-bao, FENG Jian, MENG Shao-ping. MODE JUMPING RESEARCH IN STRUCTURAL DAMAGE IDENTIFICATION[J]. Engineering Mechanics, 2006, 23(6): 35-40,7.
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MODE JUMPING RESEARCH IN STRUCTURAL DAMAGE IDENTIFICATION

  • Key Laboratory of RC/PC Structures of Ministry of Education, Southeast University, Nanjing 210096, China

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  • Received Date: July 11, 2004
  • Revised Date: November 27, 2004
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    • Abstract
  • The changes of structural parameters with damage are likely to cause the structural modes after damage not in the same order as those corresponding ones before damage. Through theoretical deduction and analysis, a conclusion of possible mode jumping is drawn. Based on the principle of relativity, the correspondence of the structural modes before damage and after damage can be determined by calculating the mode correlation coefficient. Numerical experiments show that this method is of higher precision.
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