科研之友
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摘要
A simplified strategy based on the interaction energy integral is implemented in the finite element framework to evaluate mixed mode Stress Intensity Factors (SIFs) in 3D non-planar cracks The proposed approach does not require any a priori information about crack front and crack surface curvatures therefore different arbitrary non-planar cracks can be easily investigated In particular both conical and lens-shaped cracks in homogeneous materials are considered as case studies in order to demonstrate the accuracy of the present approach Finally the computational strategy is extend
- 出版日期2011-1-1
