画像情報を用いた自動要素分割支援システムの開発

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A mesh generating system has been developed for easy implementation to prepare large amounts of input data which are needed for finite element analysis. This system consists of a Pre-Mesh Generator, an Automatic Mesh Generator and a Mesh Modifier. Automatic Mesh Generator generates mesh of triangular elements in the arbitrarily shaped and multiple connected planar domain by using minimum necessary information. This generator has 3 methods of mesh generation for each sub-block. Any of them can be selected automatically according to the external form of sub-block or the state of the domain. Mesh Modifier projects and modifies the pattern of generated mesh by Automatic Mesh Generator as required. The usefulness of this system has already been confirmed by actually using it in finite element analysis. However, the shape information of object analysis, as input data, must be prepared, even if this system is utilized. One of the advantages of the finite element method is that it can also be applied to the object of complicated arbitrary shapes. But a considerable time and effort is needed in order to prepare such a complicated shape information. Therefore, a Pre-Mesh Generator has been developed which produces the shape and sub-block information as input data of Automatic Mesh Generator by carrying out various image processing with respect to the image information of the drawing input using a scanner. By adding it to this system, user's task in carrying out the finite element analysis is simplified considerably.
社団法人日本船舶海洋工学会の論文
2002-03-20

画像情報を用いた自動要素分割支援システムの開発

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