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Nodal grafting for crack propagation studies
Author(s) -
Ingraffea A. R.
Publication year - 1977
Publication title -
international journal for numerical methods in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.421
H-Index - 168
eISSN - 1097-0207
pISSN - 0029-5981
DOI - 10.1002/nme.1620110712
Subject(s) - parametric statistics , quadratic equation , finite element method , structural engineering , simple (philosophy) , mesh generation , computer science , algorithm , mathematics , engineering , geometry , epistemology , philosophy , statistics
Abstract A simple, efficient method for propagating cracks through a finite element mesh is presented: nodes, borrowed from other points in the mesh, are ‘grafted’ along the advancing crack front. The method requires neither an increase in bandwidth nor a mesh regeneration. It can be easily implemented in any existing program using iso(sub)parametric elements of at least quadratic order.