Discussion on “A linear complete extended finite element method for dynamic fracture simulation with non-nodal enrichments” [Finite Elem. Anal. Des. 152 (2018)] by I. Asareh, T.-Y. Kim, and J.-H. Song

Research output: Contribution to journalComment/Letter to the editorScientificpeer-review

Abstract

The subject paper purportedly proposes a novel enriched finite element method for modeling problems with strong discontinuities such as those encountered in fracture mechanics. The purpose of this document is to demonstrate that the method in the subject paper (Non-nodal eXtended Finite Element Method, NXFEM) is conceptually identical to the Discontinuity-Enriched Finite Element Method (DE-FEM) [Int. J. Numer. Meth. Eng. 2017; 112:1589–1613] proposed by Aragón and Simone.

Original languageEnglish
Article number103340
Number of pages9
JournalFinite Elements in Analysis and Design
Volume168
DOIs
Publication statusPublished - 2020

Keywords

  • DE-FEM
  • IGFEM
  • NXFEM
  • Strong discontinuities
  • Weak discontinuities
  • XFEM

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