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A free-Lagrange finite element method using space-time elements
Jönköping University, School of Engineering, JTH. Research area Product Development - Simulation and Optimization.
2000 (English)In: Computer Methods in Applied Mechanics and Engineering, ISSN 0045-7825, E-ISSN 1879-2138, Vol. 188, no 1-3, 347-361 p.Article in journal (Refereed) Published
Abstract [en]

We consider the construction and implementation of a 'free-Lagrange' finite element method, where local mesh modifications can be introduced during computation. The method is based on the use of space-time oriented meshs, with the space-time elements aligned along the (approximate) characteristics. In particular, we address the problem of mass conservation in transferring data between different grids. Numerical examples range from convection-diffusion to incompressible flow in domains with moving parts.

Place, publisher, year, edition, pages
2000. Vol. 188, no 1-3, 347-361 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hj:diva-15856DOI: 10.1016/S0045-7825(99)00157-7ISI: 000088661700021OAI: oai:DiVA.org:hj-15856DiVA: diva2:440280
Available from: 2011-09-12 Created: 2011-08-16 Last updated: 2012-02-07Bibliographically approved

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