ERROR WHILE USING decomposePar
 

1. while running the cavity case:-

cfd@linux-bw7o:~/OpenFOAM/cfd 1.6/run/tutorials/incompressible/icoFoam/cavity> decomposePar
/*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 1.6 |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
Build : 1.6-f802ff2d6c5a
Exec : decomposePar
Date : Jun 02 2010
Time : 11:49:34
Host : linux-bw7o
PID : 18354
Case : /home/cfd/OpenFOAM/cfd-1.6/run/tutorials/incompressible/icoFoam/cavity
nProcs : 1
SigFpe : Enabling floating point exception trapping (FOAM_SIGFPE).

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

Time = 0


cannot open file

file: /home/cfd/OpenFOAM/cfd-1.6/run/tutorials/incompressible/icoFoam/cavity/system/decomposeParDict at line 0.

From function regIOobject::readStream()
in file db/regIOobject/regIOobjectRead.C at line 62.

FOAM exiting

HOW TO RESOLVE THIS PROBLEM??....

Greetings Vivek,
I assume you are following the user guide. If so, check the damBreak tutorial first for instructions on how to use decomposeParDict and decomposePar: 2.3 Breaking of a dam

Best regards,
Bruno