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平面弹性裂纹
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  “平面弹性裂纹”译为未确定词的双语例句
     An Effective Boundary Element Method for Analysis of Crack Problems in a Plane Elastic Plate
     平面弹性裂纹分析的一种有效边界元方法
短句来源
     Numerical examples are included to show that the present approach is very efficient and accurate for calculating stress intensity factors of plane elasticity crack problems.
     文中算例说明本数值方法对计算平面弹性裂纹的应力强度因子是非常有效的.
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  相似匹配句对
     The problem of orthotropic elastic plane with arbitrary cracks
     具任意裂纹的正交各向异性弹性平面问题
短句来源
     Contact Problem of Elastic Half-Plane with Cracks
     带裂纹弹性平面接触问题
短句来源
     The Fundamental Problem of the Isotropic Elastic Plane with Vertical Cracks
     具正交裂纹弹性平面基本问题
短句来源
     PERIODIC CRACK PROBLEMS OF PLANE ANISOTROPIC MEDIUM
     平面各向异性弹性介质的周期裂纹问题
短句来源
     A new method studying the edge crack problem on an elastic half plane
     弹性平面中边界裂纹研究的新方法
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This paper investigates stress intensity factors of a pair of branching cracks emanating from an elliptical hole in an infinite elasticity plate under biaxial loads. A boundary element method, which consists of the non singular displacement discontinuity element presented by Crouch and Starfied and the crack tip displacement discontinuity elements proposed by the author, is used to solve the problem. In the boundary element implementation, the left or the right crack tip displacement discontinuity element is...

This paper investigates stress intensity factors of a pair of branching cracks emanating from an elliptical hole in an infinite elasticity plate under biaxial loads. A boundary element method, which consists of the non singular displacement discontinuity element presented by Crouch and Starfied and the crack tip displacement discontinuity elements proposed by the author, is used to solve the problem. In the boundary element implementation, the left or the right crack tip displacement discontinuity element is placed locally on top of the constant displacement discontinuity elements that cover the entire crack surface and the other boundary. Numerical examples are included to show that the present approach is very efficient and accurate for calculating stress intensity factors of plane elasticity crack problems. Complex crack problems in a plane elasticity plate can be treated effectively by this approach, and the inflnence of the elliptical aspect ratio, and the transverse load on stress intensity factors can be examined by this model.

利用一种边界元方法来研究双轴载荷作用下无限大板中源于椭圆孔的分支裂纹.该边界元方法由Crouch与Starfied建立的常位移不连续单元和笔者提出的裂尖位移不连续单元构成.在该边界元方法的实施过程中,左、右裂尖位移不连续单元分别置于裂纹的左、右裂尖处,而常位移不连续单元则分布于除了裂尖位移不连续单元占据的位置之外的整个裂纹面及其它边界.文中算例说明本数值方法对计算平面弹性裂纹的应力强度因子是非常有效的.该文对双轴载荷作用下无限大板中源于椭圆孔的分支裂纹的数值结果进一步证实本数值方法对计算复杂裂纹的应力强度因子的有效性,同时该数值结果可以揭示双轴载荷及裂纹体几何对应力强度因子的影响.

A simple and effective boundary element method for stress intensity factor calculation for crack problems in a plane elastic plate is presented. The boundary element method consists of the constant displacement discontinuity element presented by Crouch and Starfield and the crack_tip displacement discontinuity elements proposed by YAN Xiao_qiao. In the boundary element implementation the left or the right crack_tip displacement discontinuity element was placed locally at the corresponding left or right each...

A simple and effective boundary element method for stress intensity factor calculation for crack problems in a plane elastic plate is presented. The boundary element method consists of the constant displacement discontinuity element presented by Crouch and Starfield and the crack_tip displacement discontinuity elements proposed by YAN Xiao_qiao. In the boundary element implementation the left or the right crack_tip displacement discontinuity element was placed locally at the corresponding left or right each crack tip on top of the constant displacement discontinuity elements that cover the entire crack surface and the other boundaries. Test examples (i.e., a center crack in an infinite plate under tension, a circular hole and a crack in an infinite plate under tension) are included to illustrate that the numerical approach is very simple and accurate for stress intensity factor calculation of plane elasticity crack problems. In addition, specifically,the stress intensity factors of branching cracks emanating from a square hole in a rectangular plate under biaxial loads were analysed. These numerical results indicate the present numerical approach is very effective for calculating stress intensity factors of complex cracks in a 2_D finite body, and are used to reveal the effect of the biaxial loads and the cracked body geometry on stress intensity factors.

 提出了一种简单而有效的平面弹性裂纹应力强度因子的边界元计算方法· 该方法由Crouch与Starfield建立的常位移不连续单元和闫相桥最近提出的裂尖位移不连续单元构成· 在该边界元方法的实施过程中,左、右裂尖位移不连续单元分别置于裂纹的左、右裂尖处,而常位移不连续单元则分布于除了裂尖位移不连续单元占据的位置之外的整个裂纹面及其它边界· 算例(如单向拉伸无限大板中心裂纹、单向拉伸无限大板中圆孔与裂纹的作用)说明平面弹性裂纹应力强度因子的边界元计算方法是非常有效的· 此外,还对双轴载荷作用下有限大板中方孔分支裂纹进行了分析· 这一数值结果说明平面弹性裂纹应力强度因子的边界元计算方法对有限体中复杂裂纹的有效性,可以揭示双轴载荷及裂纹体几何对应力强度因子的影响· 

 
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