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Comparison of smoothed particle method and particle finite element method in applied granular flow problems
Escola Tècnica Superior d'Enginyeries Industrial i Aeronàutica de Terrassa.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mechanics of Solid Materials.
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2009 (English)In: Particle-Based Methods: Fundamentals and Applications / [ed] Eugenio Oñate; Roger Owen, Barcelona: International Center for Numerical Methods in Engineering (CIMNE), 2009, 204-207 p.Conference paper (Refereed)
Abstract [en]

Traditionally, discrete element (DE) method and finite element (FE) method are used in numerical simulation of granular flow problems. A drawback with the (DE) method is the limitations in modelling the extreme large number of particles, which normally are in real granular flow problems. With a numerical method based on continuum mechanics modelling like the FE-method, the problems can be solved with less computation particles. However, the limitations of the FE-method have been pointed out to be when extremely large deformation needs to be captured. Granular flow problem motions produce large distortions of the mesh and ruin the convergence of the problem. The purpose of this paper is to compare two alternative continuum based methods, the Particle Finite Element Method (PFEM) and the Smoothed Particle (SP) method, to model two different granular flow problems.

Place, publisher, year, edition, pages
Barcelona: International Center for Numerical Methods in Engineering (CIMNE), 2009. 204-207 p.
Research subject
Solid Mechanics
URN: urn:nbn:se:ltu:diva-32756Local ID: 75794f80-dc5c-11de-bae5-000ea68e967bISBN: 978-84-96736-82-5OAI: diva2:1005990
Particles : 25/11/2009 - 27/11/2009
Godkänd; 2009; 20091128 (parj)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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Gustafsson, GustafJonsén, PärHäggblad, Hans-Åke
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