Structural Engineering and Mechanics

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A family of dissipative structure-dependent integration methods

  • Chang, Shuenn-Yih (Department of Civil Engineering, National Taipei University of Technology) ;
  • Wu, Tsui-Huang (Department of Civil Engineering, National Taipei University of Technology) ;
  • Tran, Ngoc-Cuong (Department of Civil Engineering, National Taipei University of Technology)
  • Received : 2015.04.15
  • Accepted : 2015.07.27
  • Published : 2015.08.25
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Abstract

A 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.

Keywords

Acknowledgement

Supported by : National Science Council

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