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A MICROSTRUCTURAL FINITE ELEMENT MODEL FOR GRANULAR SOLIDS

CHING L. LIAO (Department of Civil Engineering, University of Massachusetts, Amherst, MA 01003, USA)
CHING S. CHANG (Department of Civil Engineering, University of Massachusetts, Amherst, MA 01003, USA)

Engineering Computations

ISSN: 0264-4401

Article publication date: 1 February 1992

Abstract

A microstructural finite element model (MFEM) for granular material considering the microstructure of material is presentented. In the MFEM method, a volume of large number of particles is represented by an element consisting of a few nodal points. The stiffness matrix of the element is then formulated based on the contact stiffness and the packing arrangement of the particles. The method can be easily applied in the framework of finite element technique to solve boundary value problems in practical situations. Applicability of the model is evaluated by comparing the results of MFEM model with that from DEM model.

Keywords

Citation

LIAO, C.L. and CHANG, C.S. (1992), "A MICROSTRUCTURAL FINITE ELEMENT MODEL FOR GRANULAR SOLIDS", Engineering Computations, Vol. 9 No. 2, pp. 267-276. https://doi.org/10.1108/eb023865

Publisher

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MCB UP Ltd

Copyright © 1992, MCB UP Limited