Automatic crack-insertion for arbitrary crack growth
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
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.
finite element analysis, crack growth, mixed mode fracture, automatic, remeshing
Engineering and Technology
IdentifiersURN: urn:nbn:se:kth:diva-25051DOI: 10.1016/j.engfracmech.2007.01.003ISI: 000252231800011ScopusID: 2-s2.0-36248993970OAI: oai:DiVA.org:kth-25051DiVA: diva2:355336
QC 201010062010-10-062010-10-062010-10-06Bibliographically approved