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1 个结果
  • 简介:Basicrequirementforapplyingisoparametricelementisthattheelementhastobeconvexandnoviolentdistortionisallowed.Inthispaper,acubicquadrilateralsplineelementwith12nodeshasbeendevelopedusingthetriangularareacoordinatesandtheB-netmethod,whichcanexactlymodelthecubicfieldforquadrilateralelementwithbothconvexandconcaveshapes.Neithermappingnorcoordinatetransformationisrequiredandthesplineelementcanobtainhighaccuracysolutionsandinsensitivetomeshdistortions.

  • 标签: 四边形单元 样条 立方 形状 坐标变换 开发利用