SYMPOSIA PAPER Published: 01 January 1988
STP33074S

Methodology for Mixed-Mode Stress-Intensity Factor Calculations

Source

A method is presented for the calculation of mixed-mode stress-intensity factors for three dimensional crack fronts. The method uses the nodal forces for the calculation. The strength of this approach is the accuracy of nodal force calculations and the avoidance of the assumption of plane strain. The methodology is described for general crack fronts. The special case of a straight crack front is presented in detail. An example problem is solved with a reference solution. The results of the present method agree to within 3% of the reference value.

Author Information

Moyer, ET
School of Engineering and Applied Science, The George Washington University, Washington, DC
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Details
Developed by Committee: E08
Pages: 153–166
DOI: 10.1520/STP33074S
ISBN-EB: 978-0-8031-5041-6
ISBN-13: 978-0-8031-0972-8