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題 名 | A Complex Variable Boundary Element Method for Antiplane Stress Analysis Around a Crack in Some Nonhomogeneous Bodies=複變數邊界元素法在含裂縫非均質物體的反平面應力分析 |
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作 者 | 洪懷忠; | 書刊名 | 中國工程學刊 |
卷 期 | 22:6 1999.11[民88.11] |
頁 次 | 頁753-761 |
分類號 | 440.135 |
關鍵詞 | 複變數邊界元素法; 裂縫; 非均質彈性體; Complex variable boundary element method; Crack; Nonhomogeneous elastic body; |
語 文 | 英文(English) |
中文摘要 | 本文根據柯西積分公式所得的邊界元素法(複變數邊界元素法,CVBEM)來求彈 性體含連續變化的剪力模數之反平面裂縫問題的數值解,剪力模數假設成一種可適合多重變 化參數之普遍模式。本文所採用的方法可將問題縮減成線性代數方程系統,並且可由電腦迅 速地算出其解。明顯地,CVBEM公式可先解直線裂縫的問題,而後可延伸至含隨機曲線裂 縫的問題上。 |
英文摘要 | A boundary element method based on the Cauchy integral formulae. I.e. a complex variable boundary element method (CVBEM), is proposed for the numerical solution of an antiplane crack problem involving an elastic body with shear modulus that varies continuously in space. The shear modulus assumes a certain form which is quite general to allow fr multiparameter fitting of its variation. The method reduces the problem to a system of linear algebraic equations and can be readily implemented on the computer. For clarity, the CVBEM formulation is first carried out for a straight crack and then its extension to include an arbitrary curved crack is indicated. |
本系統中英文摘要資訊取自各篇刊載內容。