Title: Strain-energy release rate formulas for 3d finite-element
Authors: De Roeck, Guido ×
Wahab, Mma #
Issue Date: Jan-1995
Publisher: Pergamon-elsevier science ltd
Series Title: Engineering fracture mechanics vol:50 issue:4 pages:569-580
Abstract: Three expressions for the strain energy release rate for three-dimensional singular and non-singular finite elements are derived based on Irwin's virtual crack-closure method. The strain energy release rate for the three modes of fracture mechanics can be expressed in terms of the nodal forces ahead of the crack front and the opening displacements behind it. The material is assumed to be isotropic. The formulae are derived for three different element types, namely, 20-node singular element, eight-node and 20-node non-singular elements, The validity of the derived formulae is checked by comparing their results to those from the literature for mode I and mixed mode I and II problems.
ISSN: 0013-7944
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Structural Mechanics Section
× corresponding author
# (joint) last author

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