アイソパラメトリックMindlin板曲げ要素に関する研究 : その2 4角形要素の一般的誘導法

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タイトル別名
  • ISOPARAMETRIC FINITE ELEMENTS BASED ON MINDLIN PLATE BENDING THEORY : Part 2 On unified derivation of quadrilateral element
  • アイソパラメトリックMindlin板曲げ要素に関する研究-2-4角形要素の一般的誘導法
  • アイソパラメトリック Mindlin イタマゲ ヨウソ ニ カンスル ケンキュ

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抄録

Using the improved assumed displacement finite element method for shear-deformable plate bending element, its basic idea being previously given in the authors' first report, a new series of quadrilateral plate bending elements is unifiedly and systematically derived. It is shown that the plate bending elements of the present family have no spurious zero energy modes and are "locking-free", with verification of the convergence criteria to be satisfied; Several numerical analyses, for the buckling and the free vibration problems as well as the deformation ones, are performed, and these show that the present elements have excellent accuracy and convergency for both thin and thick plates.

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