An Adaptive Grid Method and Its Application to Steady Euler Flow Calculations

Authors:
Feng Liu;Shanhong Ji;Guojun Liao
Affiliations:
-;-;-
Venue:
SIAM Journal on Scientific Computing
Year:
1999

Citing 0
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Abstract

An adaptive remeshing procedure based on a cell volume deformation method is presented. Starting with an initial grid, this method offers direct cell volume control through the specification of the transformation Jacobian. Grid points are moved with appropriate grid velocities so that the specified cell volume distribution can be achieved at the end of the grid movement without adding or removing grid points. The grid velocities are determined by solving a scalar Poisson equation. This method is applied to solving the compressible Euler equations. Computational test cases of transonic flow over an airfoil are presented and demonstrate the desired control of grid sizes across shock waves.