Abstract:In numerical simulations of two-phase flows, the computation of the curvature of the interface is a crucial ingredient. Using a finite element and level set discretization, the discrete interface is typically the level set of a low order polynomial, which often results in a poor approximation of the interface curvature. We present an approach to curvature computation using an approximate inversion of the L 2 projection operator from the Sobolev space H 2 or H 3 . For finite element computation of the approxima… Show more
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