A Finite Element Method for Contact Problems between Three-Dimensional Curved Bodies

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著者

    • SANO Yuji
    • Nuclear Engineering Laboratory, Toshiba Corp.

抄録

A finite element method for practically solving contact problems between three-dimensional curved bodies is presented. The method is in a framework of a standard incremental scheme. Contact constraints are described as relations between nodes on the two contacting bodies using quadratic shape functions. Each time the contact state changes, variables corresponding to the degrees of freedom to be constrained are eliminated, and a system of equations including the contact constraints is assembled and transformed so as to retain the symmetry and positive definite form of the global stiffness matrix. The resulting system of equations can be solved by the currently used ICCG or skyline methods, which are common in general-purpose finite element programs. The effectiveness of the developed method is demonstrated by simple examples including a three-dimensional Hertzian contact problem.

収録刊行物

  • Journal of nuclear science and technology

    Journal of nuclear science and technology 33(2), p.119-127, 1996-02-25

    Atomic Energy Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002074147
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • データ提供元
    CJP書誌  J-STAGE 
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