Body-fitted finite element discretizations for moving interfaces in context of microstructure evolutions
Résumé
The Level-set (LS) method [1] is used to model dynamic interfaces in the context of large deformations. This approach is used in simulations of microstructural evolutions [2–10] using a Finite Element (FE) framework where the interfaces are implicitly defined and captured by a refined mesh. This process can be very costly in terms of CPU-time and the presence of vacuum regions is inevitable. A new approach to discretize the interfaces given by the LS fields, which enables to treat these voids and to maintain the same accuracy with a reduced CPU-time will be presented.
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