- **OpenFOAM**
(*http://www.cfd-online.com/Forums/openfoam/*)

- - **Riemann solver**
(*http://www.cfd-online.com/Forums/openfoam/107048-riemann-solver.html*)

Riemann solverhi friends
1) does OpenFOAM has any Riemann solvers (http://en.wikipedia.org/wiki/Riemann_solver)? 2) Are Reimann solvers used only for Euler equation or it can be used for solving full Navier-stokes equation? 3) whats the advantages and disadvantages of using these solvers than PISO or SIMPLE algorithm to solve equations? |

hi dear Nima
I had heard Riemann invarient to be a boundary condition not a solver. I found it: Code:
`Riemann` http://www.cfd-online.com/Forums/ope...tml#post369961 do you know where is its code? I couldn't find by searching. obtain any information let me know. thanks. |

Greetings to all!
FYI: Ehsan asked about the "Riemann" feature at another thread and I answered in post #2 on that thread: http://www.cfd-online.com/Forums/ope...tml#post421852 @nimasam: feel free to add any more information! Best regards, Bruno |

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