C112 格子生成のための形状データライブラリの開発(C-11 形状表現と最適化(1),一般講演)

概要

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This paper presents a development of geometric data library, which enables application developers to handle surface geometry data easily in their application programs such as grid generators, solvers and post-processors. It also aims for tight integration between geometry data based on CAD and that based on computational grid. This is necessary because during shape optimization, the geometry data modification takes place on discrete mesh points, which cannot be taken into CAD directly. The first function has been realized at this time. The geometric data library consists of two parts. One is the program to translate geometry data defined in CATIA Version 4 through CATGEO into internal geometry data based on half edge data structure, while preserving its accuracy. Another is a geometric data access library, which offers simple application programming interface (API) for C, C++ and F90 languages. Users can easily get coordinate data of arbitrary location on a surface through the library.
日本流体力学会の論文
2004-08-09