Approximate deconvolution boundary conditions for large eddy simulation

We introduce new boundary conditions for Large Eddy Simulation. These boundary conditions are based on an approximate deconvolution approach. They are computationally efficient and general, which makes them appropriate for the numerical simulation of turbulent flows with time-dependent boundary conditions. Numerical results are presented to demonstrate the new boundary conditions in a simplified linear setting. Key Words and Phrases: Large eddy simulation, turbulence, boundary conditions, approximate deconvolution

• Type: Journal
• Year: 2006
• Where: APPML
• Authors: Jeff Borggaard, T. Iliescu
• Keywords: APPML 2006, Boundary Conditions, Large Eddy Simulation, Time-dependent Boundary Conditions