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題 名 | 自動網格生成及帶寬縮減程式之應用=Application of Automatic Mesh Generation with Bandwidth Reduction |
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作 者 | 柯亭帆; 王璽欽; | 書刊名 | 技術學刊 |
卷 期 | 11:1 1996.03[民85.03] |
頁 次 | 頁29-33 |
分類號 | 440.11 |
關鍵詞 | 有限元素法; 超元素; 等參元素; 權重係數; Finite element; Superelement; Isoparametric element; Weighting coefficients; |
語 文 | 中文(Chinese) |
中文摘要 | 本文提出一種由超元素配合權重係數的方式,經格點重新編號得到最小帶寬的自動網格生成程式。其生成原理是將求解範圍依輸入資料細分為若干四邊形,並由等參元素映射的觀念來產生網格。本程式不僅可依使用者之需求將超元素細分為三個、四個或八個節點的元素,並且可針對不同的求解區域條件來加以區分處理。在網格生成之後,以Cuthill-Mckee演繹法及依據節點之座標排序法將整個格點做重新安排,以縮小網格系統之帶寬,這些先前作業程序將有助於有限元素法之運用以解決各類工程問題。 |
英文摘要 | Based on the method of superelement with weighting coefficients, an application of computer codes for automatic mesh generation and minimization of bandwidth is presented in this paper. Per this method, the solution domain is divided into several rectangles, and the mapping concept of isoparametric element is employed to generate the grids. The program can use to generate three-node, four-node, or eight-node elements, it also can deal with problems in a separation manner according to the conditions of solution area. Finally, the Cuthill-Mckee algorithm and the sorting method in accordance with nodal coordinates, are introduced to reduce bandwidth of the grid system. This pre-processor may be useful in finite element analysis for solving various engineering problems. |
本系統中英文摘要資訊取自各篇刊載內容。