基于扩展有限元的三维应力强度因子计算
首发时间:2011-03-24
摘要:本文讨论了利用扩展有限单元法(X-FEM)研究线弹性断裂下三维裂纹应力强度因子计算的问题,在ABAQUS平台下,通过X-FEM模块对三维断裂过程进行数值模拟,对深埋型椭圆裂纹应力强度因子进行了计算分析,数值模拟结果与解析解吻合较好,证实了扩展有限元在裂纹参量计算和裂纹扩展模拟方面的可行性和优越性。
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Calculation of Three Dimensional Stress Intensity Factors Based on X-FEM
Abstract:Stress intensity factors of three dimensional crack is calculated Based on X-FEM.Three dimensional fracture is simulated on ABAQUS X-FEM, by calculating stress intensity factors of deep buried elliptic cracks,it's concluded that extended finite element take great advantages in the calculating crack parameters and the modeling crack extension.
Keywords: X-FEM three dimensional crack stress intensity factors elliptic cracks
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No.4416879577241130****
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