Integrated FEM Formulation for Total/Updated-Lagrangian Method in Geometrically Nonlinear Problems
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概要
- 論文の詳細を見る
This paper presents a new integrated FEM formulation for geometrically non-linear analyses. There have been two methods to solve the so-called large displacement problem, i.e., the total-Lagrangian method and the updated-Lagrangian method, and two types of FEM programming have been conventionally written. It is shown in the present paper that these two types of programming can be combined by the use of the covariant components of the incremental Green-Lagrange strain tensor and the contravariant components of the second Piola-Kirchhoff stress tensor in the convected coordinate system. The difference is only seen in the transformation of the constitutive tensorial components. The stiffness matrices for the solid and shell elements by this formulation are illustrated in detail, and advantages and disadvantages of the proposed method are also discussed.
- 一般社団法人日本機械学会の論文
- 1995-01-15
著者
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NOGUCHI Hirohisa
Department of System Design Engineering, Keio University
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Hisada Toshiaki
Department of human and engineered environmental studies, Graduate School of Frontier Sciences, The
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Hisada Toshiaki
Department Of Human And Engineered Environmental Studies Graduate School Of Frontier Sciences The Un
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Noguchi Hirohisa
Department Of Mechanical Engineering Keio Univ.
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Noguchi H
Keio Univ. Kanagawa Jpn
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Hisada Toshiaki
Department Of Mechanical Engineering The University Of Tokyo
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