A Numerical Algorithm for Hydrodynamic Free Boundary Problems

Autor: Szymczak, William G., Rogers, Joel C.W., Solomon, Jay M., Berger, Alan E.
Zdroj: Journal of Computational Physics; June 1993, Vol. 106 Issue: 2 p319-336, 18p
Abstrakt: A generalized formulation of inviscid incompressible hydrodynamics as a system of conservation laws subject to a one-sided density constraint is used as the basis of a numerical algorithm for a variety of hydrodynamic free surface problems. Benchmark calculations for colliding messes of fluid and for the motion of a spherically symmetric bubble are compared with theoretical predictions. Also shown are profiles calculated for an evolving underwater bubble near a wall. Energy dissipation is introduced as a measure of turbulence and is used in analyzing the numerical results. Convergence behavior of the numerical algorithm is discussed. Copyright 1993, 1999 Academic Press
Databáze: Supplemental Index