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On particle finite element methods (PFEM) in dynamic solid mechanics problems
Oliver Olivella, Xavier; Cante Terán, Juan Carlos; Weyler Pérez, Rafael; Hartmann, S.; Hernández Ortega, Joaquín Alberto
Universitat Politècnica de Catalunya. Departament de Resistència dels Materials i Estructures en Enginyeria; Universitat Politècnica de Catalunya. LITEM - Laboratori per a la Innovació Tecnològica d'Estructures i Materials; Universitat Politècnica de Catalunya. (MC)2 - Grup de Mecànica Computacional en Medis Continus
The work presents the most relevant features of a numerical simulation setting based on the Particle Finite Element Method. The method is especially suitable for dynamic problems in computational solid mechanics where a fluid-like behavior is experienced by the solid i.e.: metal forming processes, powder compaction processes and granular flows, characterized by large strains and distortions, and those displaying new appearances and changes of existing solid boundaries, like in machining processes. The main elements of the method are: a) the updated Lagrange description of the motion, b) an automatic boundary recognition procedure (the alpha-shape method), c) appropriated constitutive models and integration algorithms and 4) a specific contact-domain based method to impose the contact constraints.
Àrees temàtiques de la UPC::Matemàtiques i estadística::Anàlisi numèrica
Àrees temàtiques de la UPC::Enginyeria mecànica
Finite element method
Particle methods (Numerical analysis)
Partícules (Matèria)
Elements finits, Mètode dels
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