[yossi]

After solving potentialFoam for the initial velocity conditions,
The rhoPimpleFoam case explodes before starting:

/*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 2.1.1 |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
Build : 2.1.1-221db2718bbb
Exec : rhoPimpleFoam
Date : Jun 10 2013
Time : 18:49:21
Host : "linux-560f"
PID : 9484
Case : /home/OpenFOAM/run/sandbox/130601/6_3plus_fullMesh/7_runT_0_potentail
nProcs : 1
sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE).
fileModificationChecking : Monitoring run-time modified files using timeStampMaster
allowSystemOperations : Disallowing user-supplied system call operations

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Create time

Create mesh for time = 0


PIMPLE: no residual control data found. Calculations will employ 3 corrector loops

Reading thermophysical properties

Selecting thermodynamics package hPsiThermo<pureMixture<constTransport<specieThermo <hConstThermo<perfectGas>>>>>
Reading field U

Reading/calculating face flux field phi

Creating turbulence model

Selecting turbulence model type LESModel
Selecting LES turbulence model oneEqEddy
oneEqEddyCoeffs
{
ce 1.048;
Prt 1;
ck 0.094;
}

Creating field dpdt

Creating field kinetic energy K


Starting time loop

#0 Foam::error:rintStack(Foam::Ostream&) in "/home/OpenFOAM/OpenFOAM-2.1.1/platforms/linux64GccDPOpt/lib/libOpenFOAM.so"
#1 Foam::sigFpe::sigHandler(int) in "/home/OpenFOAM/OpenFOAM-2.1.1/platforms/linux64GccDPOpt/lib/libOpenFOAM.so"
#2 in "/lib64/libc.so.6"
#3 Foam::divide(Foam::Field<double>&, Foam::UList<double> const&, Foam::UList<double> const&) in "/home/OpenFOAM/OpenFOAM-2.1.1/platforms/linux64GccDPOpt/lib/libOpenFOAM.so"
#4 Foam:perator/(Foam::UList<double> const&, Foam::UList<double> const&) in "/home/OpenFOAM/OpenFOAM-2.1.1/platforms/linux64GccDPOpt/lib/libOpenFOAM.so"
#5
in "/home/OpenFOAM/OpenFOAM-2.1.1/platforms/linux64GccDPOpt/bin/rhoPimpleFoam"
#6 __libc_start_main in "/lib64/libc.so.6"
#7
at /home/abuild/rpmbuild/BUILD/glibc-2.15/csu/../sysdeps/x86_64/elf/start.S:116
Floating point exception

Can someone explain why this is happening?
thank you