A high-resolution penalization method for large Mach number flows in the presence of obstacles

A penalization method is applied to model the interaction of large Mach number compressible flows with obstacles. A supplementary term is added to the compressible Navier–Stokes system, seeking to simulate the effect of the Brinkman-penalization technique used in incompressible flow simulations incl...

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Bibliographic Details
Published in:Computers & fluids 2009-03, Vol.38 (3), p.703-714
Main Authors: Boiron, O., Chiavassa, G., Donat, R.
Format: Article
Language:English
Subjects:
Compressible flows
shock and detonation phenomena
Computational fluid dynamics
Computational methods in fluid dynamics
Computer Science
Computer simulation
Engineering Sciences
Exact sciences and technology
Fluid dynamics
Fluid flow
Fluid mechanics
Fluids mechanics
Fundamental areas of phenomenology (including applications)
Incompressible flow
Mach number
Mathematical models
Mathematics
Mechanics
Modeling and Simulation
Navier-Stokes equations
Numerical Analysis
Obstacles
Physics
Reactive fluid environment
Shock-wave interactions and shock effects
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Summary:A penalization method is applied to model the interaction of large Mach number compressible flows with obstacles. A supplementary term is added to the compressible Navier–Stokes system, seeking to simulate the effect of the Brinkman-penalization technique used in incompressible flow simulations including obstacles. We present a computational study comparing numerical results obtained with this method to theoretical results and to simulations with Fluent software. Our work indicates that this technique can be very promising in applications to complex flows.
ISSN:0045-7930
1879-0747
DOI:10.1016/j.compfluid.2008.07.003