An exact solution is developed in terms of doubly infinite series, using a stress-function approach.
利用应力函数法将精确解按双无穷级数展开。
The microcrack zone concrete is deeply analyzed by using the exact solution of crack tip stress field and is compared to the result from the local solution.
应用裂纹顶端应力场的精确解，详细讨论了混凝土裂纹顶端的微裂区，并将其与局部解所得的结果进行了比较；进而研究了因应力松驰引起的微裂区的改变。
The displacements and stress resultants obtained by the present method can converge to exact solution and have the second order convergence speed.
利用本文方法所获得的解，无论是位移还是内力可同时有二阶收敛精度。
The displacements and stress resultants obtained by the present method can converge to exact solution and have the second order convergence speed.
利用本文方法所获得的解，无论是位移还是内力可同时有二阶收敛精度。
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