Wall Damping Function
 

HI,

While working on k-epsilon turbulence model, for low Re case we use wall damping functions as given by Lam & Bremhost, and Launder-Sharma. I want to know how will we decide that how many cells from the wall boundary should we use the function. Is it just the cell adjacent to wall or on some other criteria.

Thanks

Apurva

Re: Wall Damping Function
 

Hi,

Wall damping functions are applied to all the cells in the domain. The fact is that their value is 1 (no damping then...) far from the walls. The "frontier" is obtained as a result of the calculation and then, is very difficult to know which cells will be affected previously.

Best regards,

Gorka

See Poisont & Veynante's book, page345 for details
 

See Poisont & Veynante's book, page345 for details

Re: See Poisont & Veynante's book, page345 for det
 

Hi,

can you tell me the full name of the book.

Thanks

Apurva

The only book they wrote together:
 

The only book they wrote together: Theoretical and Numerical Combustion