Finite element analysis of three dimensional crack growth by the use of a boundary element sub model

Publication: Research - peer-reviewJournal article – Annual report year: 2009

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A new automated method to model non-planar three dimensional crack growth is proposed which combines the advantages of both the boundary element method and the finite element method. The proposed method links the two methods by a submodelling strategy in which the solution of a global finite element model containing an approximation of the crack is interpolated to a much smaller boundary element model containing a fine discretization of the real crack. The method is validated through several numerical comparisons and by comparison to crack growth measured in a test specimen for an engineering structure.
Original languageEnglish
JournalEngineering Fracture Mechanics
Publication date2009
Volume76
Issue14
Pages2148-2162
ISSN0013-7944
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 5

Keywords

  • Sub model, 3D crack growth, FEM, Remesh, BEM
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