Material Point Method Applied to Dynamic Fragile Fracture Analysis Using Phase-Field
DOI:
https://doi.org/10.70567/mc.v41i10.54Keywords:
Material point, dynamic brittle fracture, phase-filed, phase-fieldAbstract
In this work, the Material Point Method (MPM) is applied for the simulation of dynamic fracture in elastic media using the phase field method (PFM). In the implemented formulation, the equations of motion and the equations governing the phase field are solved independently for each discrete field (using a predictor-corrector algorithm). For the background mesh, an isogeometric approximation (NURBS) with different interpolation orders is used. Also in this work, a formulation has been implemented that allows treating problems with contact. The numerical tool was naturally implemented in explicit code. Some crack propagation problems are analyzed and the convergence of the results for different interpolation orders is studied.
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