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This paper deals with the stress concentration in plane withswveral arbitrarily distributed elliptic holes.By using thefunctions of complex variables,the stress functions in whichthe interactions of neighbouring holes are taken into considera-tion can be constructed.By applying the conformed mappingmethod to satisfy the boundary conditions of each hole,the go-verning equations can then be transformed into a set of simul-taneous equations through boundary integrals.Moreover,theproblems with crack can be derived by changing the ellipticalrates of the ellipses.thereby an approximate solution of crack-ing problem may be obtained.Some computing examples are given in the paper. 相似文献
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This paper deals with the stress concentration in plane with swveral arbitrarily distributed elliptic holes. By using the
functions of complex variables, the stress functions in which the interactions of neighbouring holes are taken into consideration
can be constructed. By applying the conformed mapping method to satisfy the boundary conditions of each hole, the governing
equations can then be transformed into a set of simultaneous equations through boundary integrals. Moreover, the problems
with crack can be derived by changing the elliptical rates of the ellipses, thereby an approximate solution of cracking problem
may be obtained.
Some computing examples are given in the paper. 相似文献
3.
对于无限平面上任意排列的多个椭圆孔的应力集中,采用复变函数方法,直接构造能够反映各孔相互影响的应力函数,通过依次映射方法来满足各孔的边界条件,再利用围线积分方法化为线性代数方程求解.对于裂纹情况,将裂纹化为相应的椭圆,通过应力集中系数近似求得应力强度因子值.文中给出若干计算结果. 相似文献
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