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汎用非線形構造解析システムFINAS 平成7年度 改良・拡張および整備報告書

Improvement, extension and maintenance of finite element nonlinear structural analysis system "FINAS" for fiscal 1995

千葉 隆久*; 酒井 新吉*; 長谷川 豊*; 上野 睦郎*; 柄谷 和輝*; 都筑 新*

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本報告書は、高速炉等の各種構造解析に適用するために開発された汎用非線形構造解析システムFINAS(Finite Element Nonlinear Structual Analysis System)の機能の改良、拡張および整備に関するものであり、平成7年10月から平成8年3月までの間に検討された内容およびその成果をまとめたものである。以下に、改良、拡張および整備項目を示す。・異方性材料の取り扱い・高精度の構成モデルの適用・FASTENINGおよび縮合における計算効率の改善・有限要素の修正・FINAS(V.13.0)の整備と公開

A general purpose finite element nonlinear structural analysis system FINAS has been developed since 1976 for fast breeder reactor components. Improvement, extension and maintenance of this system has been continued hitherto. This report describes the results of the work which was carried out during october 1995 to March 1996. The items of improvement, extension and maintenance are as follows. (1)Treatment of anisotropic materials (2)Application of advanced constitutive equations (3)Improvement of calculation efficiency of the matrix reduction procedure and FASTENING function (4)Revision of a finite element (5)Arrangement of FINAS (V.13.0) and preparation for release

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