about far field bounary condition
 

hi every body . is far boundary condition treatment depends on which numerical scheme will be use ?

I heard that if the scheme is upwind scheme it is enough to use initial boundary condition ( free stream condition ) as far field boundary condition. for example when using two dimensional unsteady euler equation to solve steady one.

best regards CFD sutdent

Re: about far field bounary condition
 

Characteristic boundary condition is commonly used.

Re: about far field bounary condition
 

Thanks versi for reply Do you know some good reference about Characteristic boundary condition?

best regrads

Re: about far field bounary condition
 

See, for example, the following review paper on non-reflective boundary conditions:

Givoli, 1991, Journal of Computational Physics, vol. 94, page 1.