NASA NTRS · 19850017555
Crack elements for COSMIC/NASTRAN
Abstract
A crack element was developed and incorporated into COSMIC/NASTRAN. The element is considered linear, isotropic, and homogeneous. Mode 1 and 2 stress intensity factors are automatically calculated. Comparisons to theoretical plane strain solutions for several geometries are presented and demonstrate the accuracy of the developed element. Extensions of the element to three dimensions, anisotropic material, and plastic analysis are discussed.
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Woytowitz, P. J., Citerley, R. L.. 1985-05-01. Crack elements for COSMIC/NASTRAN. https://ntrs.nasa.gov/citations/19850017555
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