We consider the numerical simulation of 3D two-phase flow problems using finite element methods on adaptive multilevel tetrahedral grids and a level set approach for interface capturing. The approximation of the discontinuous pressure in standard finite element spaces yields poor results with an error of order 0.5 w.r.t. the L 2 norm. Second order approximations can be achieved by the introduction of an extended finite element space (XFEM) adding special basis functions incorporating a jump at the interface. A simple stabilization strategy for the XFEM basis is presented which also offers this optimal approximation property. © 2011 Springer-Verlag Berlin Heidelberg.
CITATION STYLE
Gross, S. (2011). Pressure XFEM for two-phase incompressible flows with application to 3D droplet problems. In Lecture Notes in Computational Science and Engineering (Vol. 79 LNCSE, pp. 81–87). https://doi.org/10.1007/978-3-642-16229-9_5
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