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Finite element simulation of granular material flow in plane silos with complicated geometry
Luleå tekniska universitet.
Luleå tekniska universitet.
Chalmers University of Technology.
1998 (English)In: Powder Technology, ISSN 0032-5910, E-ISSN 1873-328X, Vol. 99, no 1, p. 29-39Article in journal (Refereed) Published
Abstract [en]

A model with few material parameters is proposed for finite element simulation of the transient flow of cohesionless granular materials in silos. The constitutive model used is essentially a fluid model and, consequently, it is best established in the Eulerian format. The model allows the simulation of initial stress transients at the beginning of the discharging process. After long time, when the solution approaches steady state, the flow pattern that is developed represents either a mass or funnel flow situation. Numerical examples of transient stress fields are given, and the flow patterns in advanced silo geometries are studied. The numerical results are in good agreement with analytical solutions and experiments known from the literature

Place, publisher, year, edition, pages
1998. Vol. 99, no 1, p. 29-39
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-10561DOI: 10.1016/S0032-5910(98)00087-4ISI: 000075281700005Scopus ID: 2-s2.0-0032171676Local ID: 96279f20-0b93-11dd-9b51-000ea68e967bOAI: oai:DiVA.org:ltu-10561DiVA, id: diva2:983506
Note
Godkänd; 1998; 20080416 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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