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Newton-Multigrid FEM Solver for the Simulation of Quasi-Newtonian Modeling of Thixotropic Flows
2021
14th WCCM-ECCOMAS Congress
unpublished
This paper is concerned with the application of Finite Element Methods (FEM) and Newton-Multigrid solvers to simulate thixotropic flows using quasi-Newtonian modeling. The thixotropy phenomena are introduced to yield stress material by taking into consideration the internal material microstructure using a structure parameter. Firstly, the viscoplastic stress is modified to include the thixotropy throughout the structure parameter. Secondly, an evolution equation for the structure parameter is
doi:10.23967/wccm-eccomas.2020.217
fatcat:tkma4uwr5rehje2mow7tphz7vq