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On the choice of local element frame for corotational triangular shell elements
KTH, Superseded Departments, Mechanics.ORCID iD: 0000-0003-2104-382X
2004 (English)In: Communications in Numerical Methods in Engineering, ISSN 1069-8299, E-ISSN 1099-0887, Vol. 20, no 10, 819-825 p.Article in journal (Refereed) Published
Abstract [en]

In the context of corotational triangular shell elements, the objective of this paper is to show that for certain stability problems it is interesting to choose a local element frame invariant to the element node ordering. Two methods of obtaining such a local frame are presented. These two methods, already proposed by other authors, are reformulated. For the first one, based on the minimisation of local nodal displacements, it is shown that the iterative process can be avoided.

Place, publisher, year, edition, pages
2004. Vol. 20, no 10, 819-825 p.
Keyword [en]
corotational formulation, shell finite elements, instability, projectors
National Category
Mathematics Engineering and Technology
URN: urn:nbn:se:kth:diva-23803DOI: 10.1002/cnm.710ISI: 000224471800008ScopusID: 2-s2.0-5444222478OAI: diva2:342502
QC 20100525 QC 20110922Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2011-11-18Bibliographically approved

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