Structure-dependent difference equations for time integration

Springer Science and Business Media LLC - Tập 11 - Trang 485-498 - 2012
Shuenn-Yih Chang1
1Department of Civil Engineering, Taipei University of Technology (NTUT), Taipei, Chinese Taipei, Taiwan

Tóm tắt

A structure-dependent explicit method with enhanced stability properties is proposed in this study. In general, the method offers unconditional stability for structural systems except those with a particular instantaneous stiffness hardening behavior. In addition, it is second-order accurate and displays no overshooting in high frequency responses. Numerical experiments reveal that the proposed method saves a substantial amount of computational effort in solving inertial problems where only the low frequency responses are of interest, when compared to a general second-order accurate integration method.

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Springer Science and Business Media LLC

Tập 11

485-498

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