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backwardDual time stepping in foam extend

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Old   July 13, 2023, 05:24
Default backwardDual time stepping in foam extend
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Bidesh Sengupta
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Hi!


I am trying to run the time stepping by backwardDual scheme for dbns solvers (dbnsTurbFoam) and I am using the syntax in fvSchemes as:


Code:
ddtSchemes
{
    default         backwardDual physDeltaT CoDeltaT;
}

The error that I am receiving is:
Code:
--> FOAM FATAL ERROR: 

    request for volScalarField rhoOld from objectRegistry region0 failed
    available objects of type volScalarField are

14
(
div(phi)
psi
h
rho
k
psi_0
alphat
alpha
p
T
rhoE
mut
mu
epsilon
)

Can anyone give me some suggestion how to run backwardDual time stepping?


Thank you,
Bidesh
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foam extend 4.1, holzmann cfd, jasak, open foam, time step

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