Adaptive method to transform finite element mesh on die surface of automobile covering parts
  Revised:January 06, 2004
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DOI:10.7511/jslx20063062
KeyWord:die surface,triangular elements,quadrilateral elements,finite element mesh
GONG Ke-jia  YANG Guang  HU Ping
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Abstract:
      An adaptive method to transform finite element mesh on die surface of automobile covering parts is implemented.The initial mesh may be made of entirely triangular elements or may consist of a mixture of triangular and quadrilateral elements.It ameliorates an approach of triangular transformation on plane.The validity is confirmed by the results of the complex industry-forming product.In order to approximate the original curved surface,bring forward the rule and the way for optimization to deal with the included angle among elements is the key point of the algorithm.