Title: Nodal Partition of Explicit Finite Element Methods for Unsteady Diffusion Problems
Authors: LAVAL Huguette
Citation: Computer Methods in Applied Mechanics and Engineering vol. 68 p. 189-204
Publication Year: 1988
JRC N°: JRC5093
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC5093
Type: Articles in periodicals and books
Abstract: A VARIABLE EXPLICIT ELEMENT METHOD IS PRESENTED FOR SOLVING UNSTEADY DIFFUSION PROBLEMS IN ONE OR MORE SPACE DIMENSIONS. FOR NUMERICAL TIME INTEGRATION, THE COMPUTATIONAL MESH IS PARTITIONED INTO AS MANY PARTS AS THE NUMBER OF NODES. THE TIME INCREMENT APPROPRIATE TO EACH NODE IS AUTOMATICALLY DETERMINED ACCORDING TO A NODAL STABILITY CRITERION APPLI- CABLE TO ARBITRARY ELEMENT MESHES. NUMERICAL EXAMPLES BASED ON BILINEAR AND BIQUADRATIC ELEMENTS ARE INCLUDED TO ILLUSTRATE THE EFFICIENCY AND ACCURACY OF THE PROPOSED METHOD
JRC Directorate:Joint Research Centre Historical Collection

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