有限要素解析と発見的手法によるせん断型鋼板ダンパーの最適化

DOI Web Site 被引用文献2件 参考文献9件
  • 野添 順規
    広島大学大学院工学研究科　大学院生
  • 大崎 純
    広島大学大学院工学研究院　教授・博士(工学)
  • 渡邊 秀和
    広島大学大学院工学研究院　助教・博士(工学)

書誌事項

タイトル別名
  • OPTIMIZATION OF A SHEAR-TYPE PANEL DAMPER USING FINITE ELEMENT ANALYSIS AND HEURISTIC APPROACH

抄録

An optimization approach is presented for improving energy dissipation capacity of a shear-type steel damper consisting of a low-yield-point steel panel, which is subjected to cyclic deformation. A general purpose finite element software package is combined with a heuristic optimization algorithm using a script language to carry out elastoplastic analysis iteratively to find optimal solutions. An optimization approach is also presented for identification of material parameters representing mixed nonlinear kinematic-isotropic hardening. It is demonstrated in the numerical examples that the performance of a shear-type hysteretic steel damper can be successfully improved by optimizing the geometry of the panel and the thicknesses of the stiffeners.

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