Hitachi, Ltd.

Hiromi Aoyama

Makoto Onodera

Ichiro Nishigaki

Yoshifumi Yamashita

Chie Kobayashi

Hiromitsu Moriyama

Keiko Hoshino

A shape model as an object to be analyzed and division information used to produce a finite element mesh are entered, and a recognition model is produced by allocating each edge line segmented by structural points of the shape model to any one coordinate axial direction in an orthogonal coordinate system. A mapping model is produced in which an orthogonal lattice is produced on a surface and the inside of an approximated shape model, and is displayed on a screen. The mapping model is modified by a system user in an interactive operation. A finite element mesh is generated from lattice points of the modified mapping model. The data input by the system user is processed in an input/output data processing unit, and shape model data of the object to be analyzed is produced in a shape model producing unit. Based on the division information input by the system user, a finite element mesh is generated on the shape model by a finite element mesh producing unit. The line segment allocation directions of the recognition model are displayed in a recognition model producing unit, so that an allocation direction can be modified in a recognition model modifying unit by the system user in a interactive mode. The finite element model data produced from the optimized recognition model is registered into a database.

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Ibaraki-ken, Japan

Hiromi Aoyama