A family of explicit algorithms for general pseudodynamic testing |
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| Authors: | Shuenn-Yih Chang Yuan-Sen Yang Chi-Wei Hsu |
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| Institution: | Shuenn-Yih Chang,Yuan-Sen Yang and Chi-Wei Hsu§ Department of Civil Engineering,Taipei University of Technology (NTUT),NTUT Box 2653,Taipei 106,Chinese Taipei. |
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| Abstract: | A new family of explicit pseudodynamic algorithms is proposed for general pseudodynamic testing. One particular subfamily
seems very promising for use in general pseudodynamic testing since the stability problem for a structure does not need to
be considered. This is because this subfamily is unconditionally stable for any instantaneous stiffness softening system,
linear elastic system and instantaneous stiffness hardening system that might occur in the pseudodynamic testing of a real
structure. In addition, it also offers good accuracy when compared to a general second-order accurate method for both linear
elastic and nonlinear systems. |
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| Keywords: | pseudodynamic test explicit method unconditional stability dominant mode structural dynamics instantaneous degree of nonlinearity |
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