A Study of Applying the Superconvergent Patch Recovery (SPR) Method to Large Deformation Problem

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概要

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• The Superconvergent Patch Recovery (SPR) method is used to recover the Cauchy stress in large deformation problem. For mesh consisting bilinear quadrilateral elements, the validity and necessity of using the integration points of 2×2 Gauss-Legendre product rule as sampling points are discussed, and the reason for the good performance of this procedure is investigated. To compare the performance of the two procedures using superconvergent points and 2×2 Gauss points as sampling points respectively, hyperelasticity is selected as material model. Then the influence of the order of recovery polynomial to the performance of recovery method is studied by comparing results of three procedures with different choice of sampling points and order of recovery polynomials.

• 社団法人日本船舶海洋工学会の論文

著者

• NOBUKAWA Hisashi

  Hiroshima University

• 信川 寿

  Hiroshima University

• Kitamura Mitsuru

  Hiroshima University

• GU Hai

  Graduate School, Hiroshima University

• Gu H

  Hiroshima Univ.

• Gu Hai

  Graduate School Hiroshima University

• 北村 充

  Hiroshima University

• 谷 海

  Graduate School,Hiroshima University

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