数值计算结果表明本文半解析有限元法具有较好的精度和收敛性。
The numerical results indicate that the semi-analytical finite element method is in high precision and good convergence.
比例边界有限元法（SBFEM）是一种半解析数值分析的新方法。
The Scaled Boundary Finite-Element Method (SBFEM) is a novel semi-analytical technique.
将该解析元与有限元相结合，构成半解析的有限元法，可求解任意几何形状和载荷的平面裂纹应力强度因子及扩展问题。
The new analytical element can be implemented into FEM program systems to solve for stress intensity factor and deal with crack propagation problems for plane cracks with arbitrary shapes and loads.
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