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- W2993647535 abstract "This paper presents an enhanced coupled approach between the finite element method (FEM) and the discrete element method (DEM) in which an adaptive remeshing technique has been implemented. The remeshing technique is based on the computation of the Hessian of a selected nodal variable, i.e. the mesh is refined where the curvature of the variable field is greater. Once the Hessian is known, a metric tensor is defined node-wise that serves as input data for the remesher (MmgTools) that creates a new mesh. After remeshing, the mapping of the internal variables and the nodal values is performed and a regeneration of the discrete elements on the crack faces of the new mesh is carried out. Several examples of fracturing problems using the enhanced FEM–DEM formulation are presented. Accurate results in comparison with analytical and experimental solutions are obtained." @default.
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- W2993647535 date "2019-12-09" @default.
- W2993647535 modified "2023-10-07" @default.
- W2993647535 title "Combination of an adaptive remeshing technique with a coupled FEM–DEM approach for analysis of crack propagation problems" @default.
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- W2993647535 doi "https://doi.org/10.1007/s40571-019-00306-4" @default.
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