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Type: Journal article
Title: A mesh-free approach for multiscale modeling in continuum-granular systems
Author: Wang, C.
Deng, A.
Taheri, A.
Ge, L.
Citation: International Journal of Computational Methods, 2020; 17(10):2050006-1-2050006-27
Publisher: World Scientific Publishing Company
Issue Date: 2020
ISSN: 0219-8762
Statement of
Can Wang, An Deng, Abbas Taheri and Louis Ge
Abstract: Geotechnical systems often examine interactions that occur between continuum bodies and granular soils. The systems and interactions can be accurately simulated by using multiscale coupling approaches. The model for the continuum bodies is often constructed into a mesh. The meshing, however, is time consuming for a huge spatial system and if distorted is subject to adjustments. A mesh-free approach can be used to eliminate these drawbacks. In this study, a mesh-free approach for simulating continuum–granular systems is presented. This approach combines element-free Galerkin (EFG) and discrete element (DE) methods to approximate the interactions. The capabilities of the coupled EFG–DE method are validated through its solving two example problems: the cantilever beam–disc system and Cundall’s Nine Disc Test. The proposed approach appears to be an efficient and promising tool to model multiscale, multibody contacting problems.
Rights: © World Scientific Publishing Company
RMID: 1000014123
DOI: 10.1142/S0219876220500061
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Appears in Collections:Civil and Environmental Engineering publications

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