Hitachi, Ltd.

Masao Kawai

Yoshifumi Yamashita

Kimitaka Tamura

Hiromitsu Moriyama

Sub-areas divided from a three-dimensional areas to be analyzed are generated by hexahedron meshes as much as possible, and for the sub-areas not formed by the hexahedron elements, tetrahedron meshes are generated by a tetrahedron mesh generation unit. For the mesh generation of the sub-area adjacent to the hexahedron mesh area and the tetrahedron mesh area, the data of other sub-area for which the mesh has been generated which is adjacent to the sub-area for which the mesh is to be generated is searched from a sub-area data area and a mesh shape formed by a plurality of triangles on the surface of the area for which the mesh is to be generated from the mesh shape on the joining plane to the adjacent sub-area to generate a quadrilateral mesh in the area for which the mesh is to be generated.

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Kawasaki, Japan

Masao Kawai