✦ LIBER ✦

Analytical-variational method of solution for stress intensity factors about anisotropic and isotropic finite plates with double cracks emanating from holes

✍ Scribed by Dong-shan Fu; Xing Zhang

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 567 KB
Volume: 50
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(94)00206-w

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✦ Synopsis

Analytical expressions of stress and displacement of anisotropic plates with double cracks near holes are derived by method of function of complex variables. The equations of equilibrium and compatibility, single valued condition of displacement and traction-free conditions along crack surfaces are satisfied exactly. Variational method is applied to satisfy boundary conditions excluding those along crack surfaces. Then stress intensity factor can be determined. The numerical results present nice convergency and accuracy of this method. Systematical results are given for engineering usage.

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