Generalized finite element method

Generalized finite element method enrichment functions for curved singularities in 3D fracture mechanics problems

FREE-DOWNLOAD [PDF] JP Pereira, CA Duarte, X Jiao… – Computational Mechanics, 2009
Abstract This paper presents a study of generalized enrich- ment functions for 3D curved crack
fronts. Two coordinate systems used in the definition of singular curved crack front enrichment
functions are analyzed. In the first one, a set of Cartesian coordinate systems defined