Parallel Simulation Of Three-dimensional Free-surface Fluid
Flow Problems
Author(s)
T.A. Baer, S.R. Subia and P.A. Sackinger
Abstract
Parallel simulation of three-dimensional
free-surface fluid flow problems
T. A. Baer\ S. R. Subia^ and P. A. Sackinger^
^Incompressible Fluid Mechanics Department
^•Computational Thermal/Fluid Engineering Sciences, Sandia National
Laboratories, USA
Abstract
We describe parallel simulations of viscous, incompressible, free surface,
Newtonian fluid flow problems that include dynamic contact lines. The
Galerkin finite element method was used to discretize the fully-coupled gov-
erning conservation equations and a "pseudo-solid" mesh mapping approach
was used to determine the shape of the free surface. In this approach, the fi-
nite element mesh is allowed to deform to satisfy quasi-static solid mechanics
equations subject to geometric or kinematic constraints on the boundaries.
As a result, nodal displacements must be included in the set of problem
unknowns. Issues concerning the proper constraints along the solid-fluid
dynamic contact line in three dimensions are discussed.
Pa
Keywords
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