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Error in MPPICFoam when using Implicit packing model

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Old   January 17, 2016, 04:29
Default Error in MPPICFoam when using Implicit packing model
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Victor Koppejan
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Hi Everyone,

I'm getting the following error when running MPPICFoam in serial using the Implicit packing model (HarrisCrighton particle stress model).

#0 Foam::error:rintStack(Foam::Ostream&) at ??:?
#1 Foam::sigSegv::sigHandler(int) at ??:?
#2 ? in "/lib/x86_64-linux-gnu/libc.so.6"
#3 Foam::PackingModels::Implicit<Foam::MPPICCloud<Foa m::KinematicCloud<Foam::Cloud<Foam::MPPICParcel<Fo am::KinematicParcel<Foam:article> > > > > >::velocityCorrection(Foam::MPPICParcel<Foam::Kine maticParcel<Foam:article> >&, double) const at ??:?
#4 ? at ??:?
#5 ? at ??:?
#6 ? at ??:?
#7 ? at ??:?
#8 ? at ??:?
#9 ? at ??:?
#10 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6"
#11 ? at ??:?

I'm using the following setting in kinematic cloud properties

implicitCoeffs
{
alphaMin 0.0001;
rhoMin 1000;
applyGravity true;
particleStressModel
{
type HarrisCrighton;
alphaPacked 0.65;
pSolid 100;
beta 3;
eps 1.0e-2;
}
}

Psolid and beta values were taken from Snider 1998. The system is a liquid-solid system.

I gone through the velocityCorrection function but I have no idea what to look for.

Thanks in advance for you help.

Victor
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Old   January 17, 2016, 11:23
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Victor Koppejan
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I think problems were the empty boundary conditions, which don't seem to work with the velocity correction function.

Changing them to slip for velocity and zerogradient for pressure solves the problem.
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