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LI Yi, ZHAO Wen, ZHANG Yan-nian. AN ACCELERATING ALGORITHM FOR RELIABILITY ANALYSIS OF SYSTEM STIFFNESS[J]. Engineering Mechanics, 2006, 23(3): 17-20.
Citation: LI Yi, ZHAO Wen, ZHANG Yan-nian. AN ACCELERATING ALGORITHM FOR RELIABILITY ANALYSIS OF SYSTEM STIFFNESS[J]. Engineering Mechanics, 2006, 23(3): 17-20.
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AN ACCELERATING ALGORITHM FOR RELIABILITY ANALYSIS OF SYSTEM STIFFNESS

  • School of resource and Civil Engineering, Northeastern University, Shenyang 110004, China;2. School of Civil Engineering, Shenyang Jianzhu University, Shenyang, Liaoning 110168, China

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  • Received Date: January 05, 2004
  • Revised Date: June 01, 2005
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  • Aiming at the insufficient research of reliability analysis on stiffness for system,the method of continual variation on stiffness for frame structure is derived. The method was combined with numerical analysis and recurrence formula. The model of continual reliability analysis on stiffness is provided. It is used to continually generate limit state function of the displacement for continual variation structures. This method can simplify the algorithm to identify system dominant failure modes because the repeated assembly global stiffness matrix and repeatedly inverse matrix operation are avoided in the new method. An accelerating calculation method of reliability analysis on the system stiffness is presented in accordance with the domestic structural design code. An example is given to verify the method.
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