Timestep relaxation with symmetry preservation on high aspect-ratio angular or tapered grids

DOI10.1006/jcph.2001.6648zbMath1172.76361OpenAlexW2016416995MaRDI QIDQ5929938

Edward J. Caramana

Publication date: 26 July 2001

Published in: Journal of Computational Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jcph.2001.6648

zbMATH Keywords

grid generationLagrangian hydrodynamicsshock wave simulationspatial grid stiffness

Mathematics Subject Classification ID

Shock waves and blast waves in fluid mechanics (76L05) Finite volume methods applied to problems in fluid mechanics (76M12) Gas dynamics (general theory) (76N15)

Related Items (2)

The force/work differencing of exceptional points in the discrete, compatible formulation of Lagrangian hydrodynamics ⋮ A free-Lagrange augmented Godunov method for the simulation of elastic-plastic solids.

Cites Work

• Unnamed Item
• Derivation of implicit difference schemes by the method of differential approximation
• Errors for calculations of strong shocks using an artificial viscosity and an artificial heat flux
• The construction of compatible hydrodynamics algorithms utilizing conservation of total energy
• Elimination of artificial grid distortion and hourglass-type motions by means of Lagrangian subzonal masses and pressures
• Numerical preservation of symmetry properties of continuum problems
• Formulations of artificial viscosity for multi-dimensional shock wave computations
• A compatible, energy and symmetry preserving Lagrangian hydrodynamics algorithm in three-dimensional Cartesian geometry

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