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Pimple vs RhoCentral

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Old   February 15, 2020, 07:19
Default Pimple vs RhoCentral
Tommaso M.
Join Date: Sep 2018
Location: Italy
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Hi All,
I am studying the flow inside a supersonic nozzle by using rhoPimpleFoam and rhoCentralFoam.
As far as I know, rhoCentralFoam is the correct solver to be used in supersonic flow simulations, but I found out that both solvers give the same solution (N.B. this happens only if there are no shock waves!).
RhoCentralFoam requires an extremely huge computational cost w.r.t. rhoPimpleFoam, so I am wondering if rhoPimpleFoam would be a better choice.
In other words: is rhoCentral the best choice for simulations of supersonic flows or of supersonic flows with strong shocks?
Thanks in advance.

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rhocentralfoam, rhopimplefoam, supersonic

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