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CALCULATION OF STRESS INTENSITY FACTORS BY BOUNDARY ELEMENT METHOD BASED ON ERDOGAN FUNDAMENTAL SOLUTIONS
Author(s): 
Pages: 93-99
Year: Issue:  1
Journal: Acta Mechanica Sinica

Keyword:  断裂力学 应力强度因子 Erdogan基本解 边界元法 样条函数;
Abstract: 引入含裂纹问题基本解(Erdogan基本解),提出了基于Erdogan基本解的样条虚边界元法,并阐述了该法在实施过程中的特点与具体做法.采用该方法详细分析了若干典型裂纹问题,全面考察了方法的计算精度和收敛情况,以及在求解复杂裂纹问题方而的能力.结果显示,该方法具有精度高、收敛快、计算能力强等优点,是裂纹问题分析中一种具有竞争力的通用计算方法.
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