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A stiffness derivative finite element technique for determination of crack tip stress intensity factors (1974)

Parks, D. M.

In: Other Sources

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Publication Date: 2019-06-27

Description: A finite element technique for determination of elastic crack tip stress intensity factors is presented. The method, based on the energy release rate, requires no special crack tip elements. Further, the solution for only a single crack length is required, and the crack is 'advanced' by moving nodal points rather than by removing nodal tractions at the crack tip and performing a second analysis. The promising straightforward extension of the method to general three-dimensional crack configurations is presented and contrasted with the practical impossibility of conventional energy methods.

Keywords: STRUCTURAL MECHANICS

Type: International Journal of Fracture; 10; Dec. 197

Format: text

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