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Automatic crack-insertion for arbitrary crack growth
KTH, School of Engineering Sciences (SCI), Solid Mechanics (Dept.), Solid Mechanics (Div.).
2008 (English)In: Engineering Fracture Mechanics, ISSN 0013-7944, E-ISSN 1873-7315, Vol. 75, no 3-4, 404-416 p.Article in journal (Refereed) Published
Abstract [en]

A crack-insertion tool for automatic non-planar crack propagation calculations is under development. The final volume mesh of the cracked structure is achieved by a new approach. The cracked structure boundary is modelled as a discretized skin. A tube-like domain enclosing the crack-front is traced and filled with hexahedral elements while the remaining cracked structure is meshed with tetrahedral elements. The two separate meshes are finally connected by linear MPC equations. Results show that the method works very well for curved crack shapes in complex structures.

Place, publisher, year, edition, pages
2008. Vol. 75, no 3-4, 404-416 p.
Keyword [en]
finite element analysis, crack growth, mixed mode fracture, automatic, remeshing
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-25051DOI: 10.1016/j.engfracmech.2007.01.003ISI: 000252231800011Scopus ID: 2-s2.0-36248993970OAI: oai:DiVA.org:kth-25051DiVA: diva2:355336
Note
QC 20101006Available from: 2010-10-06 Created: 2010-10-06 Last updated: 2017-12-12Bibliographically approved
In thesis
1. Automatic Mixed-Mode Crack Propagation Computations using a combined Hexahedral/Tetrahedral-Approach
Open this publication in new window or tab >>Automatic Mixed-Mode Crack Propagation Computations using a combined Hexahedral/Tetrahedral-Approach
2009 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH, 2009. x p.
Series
Trita-HFL. Report / Royal Institute of Technology, Solid Mechanics, ISSN 1654-1472 ; 0482
National Category
Engineering and Technology
Identifiers
urn:nbn:se:kth:diva-11823 (URN)
Presentation
2010-01-18, Sal E3, Osquars backe 14, KTH, Stockholm, 10:15 (English)
Opponent
Supervisors
Available from: 2010-01-11 Created: 2009-12-30 Last updated: 2013-01-15Bibliographically approved

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CiteExportLink to record
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  • apa
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