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Structural Engineering and Mechanics Volume 55, Number 4, August25 2015 , pages 815-837 DOI: https://doi.org/10.12989/sem.2015.55.4.815 |
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A family of dissipative structure-dependent integration methods |
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Shuenn-Yih Chang, Tsui-Huang Wu and Ngoc-Cuong Tran
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| Abstract | ||
| new family of structure-dependent integration methods is developed to enhance with desired numerical damping. This family method preserves the most important advantage of the structure-dependent integration method, which can integrate unconditional stability and explicit formulation together, and thus it is very computationally efficient. In addition, its numerical damping can be continuously controlled with a parameter. Consequently, it is best suited to solving an inertia-type problem, where the unimportant high frequency responses can be suppressed or even eliminated by the favorable numerical damping while the low frequency modes can be very accurately integrated. | ||
| Key Words | ||
| unconditional stability; explicit formulation; numerical damping; accuracy; structuredependent integration method | ||
| Address | ||
| Shuenn-Yih Chang, Tsui-Huang Wu and Ngoc-Cuong Tran: Department of Civil Engineering, National Taipei University of Technology, NTUT Box 2653, Taipei 106, Taiwan, Republic of China | ||