CFDEM®coupling - User Forum

This is a forum dedicated to CFDEM®coupling using the LIGGGHTS® DEM code and OpenSource CFD.

Obtaining CFD vtk files

Submitted by bnaar on Wed, 01/27/2016 - 18:16

When running the standard ErgunTestMPI file using 4 processors and by changing the (CFD) commands in parCFDDEMrun.sh to
#- get VTK data from CFD sim
cd $casePath/CFD
#foamToVTK #- serial run of foamToVTK
source $CFDEM_SRC_DIR/lagrangian/cfdemParticle/etc/functions.sh #- include functions
pseudoParallelRun "foamToVTK" $nrPostProcProcessors #- pseudo parallel run of foamToVTK

I only obtain errors.

And when using the default version

the errors after testing an example of CFDEM-3.0.x

Submitted by yyu on Sun, 01/24/2016 - 23:22

Dear all,

I tried to install openfoam 3.0.0 and Liggghts and coupled them to CFDEM-3.0.x. Everything looks fine,only the last step for cfdemTestTUT. At the last step, I tried to do it step by step. Firstly, the turbulent model and BC were changed. Only openfoam was tested and worked normal, then running ./Allrun.sh, but some errors also came out:

some errors at the coupling CFDEM step

Submitted by yyu on Fri, 01/22/2016 - 19:34

Hi everyone,

I tried to install CFDEM (openfoam 3.0.0 with Liggghts, paraview 4.4.0) on ubuntu 15.10 and followed the installing procedure from CFDEM website (http://www.cfdem.com/system/files/githubaccess_public.pdf). Openfoam3.0.0 and Liggghts work. But some errors happened at the CFDEM coupling in the last step by typing: cfdemCompCFDEM.

CFDEM compiling error

Submitted by Joel Martis on Wed, 01/20/2016 - 16:06

Hello.

I've been trying to compile CFDEM coupling, but I get the following errors:

"
rm: cannot remove ‘/home/joel/Documents/CFDEM/CFDEMcoupling-PUBLIC-3.0.1/src/lagrangian/cfdemParticle/etc/log/log_compileCFDEMcoupling_cfdemPostproc’: No such file or directory

/home/joel/Documents/CFDEM/CFDEMcoupling-PUBLIC-3.0.1/src/lagrangian/cfdemParticle/etc/functions.sh: line 148: rmdepall: command not found

cfdemPostproc.C:41:33: fatal error: turbulenceModel.H: No such file or directory
#include "turbulenceModel.H"
"

compiling CFDEMcoupling with different OF versions

cgoniva's picture
Submitted by cgoniva on Mon, 01/18/2016 - 13:58

Hello,

the latest release of CFDEMcouplng-PUBLIC compiles with several different OF versions.
I personally use 2.4.x (see here: https://github.com/CFDEMproject/CFDEMcoupling-PUBLIC/blob/master/src/lag... ) and therefore the settings in the repo should be fine for 2.4.x.

In case you want to compile the CFDEMcoupling toolbox with other OF versions you have the following switches:

CFDEM installation

Submitted by nikros on Thu, 12/31/2015 - 04:46

Hello to everybody.
Sorry for many questions but i'm working alone and don't have anyone else to help me. I follow the instruction in the http://www.cfdem.com/system/files/githubaccess_public.pdf

I have OpenFoam installed on my computer and installation of LIGGGHTS was passed smoothly.
But when i'm trying to install CFDEM "cfdemCompCFDEM" (after passing a few time) an error message appears:

.bashrc environment variables

Submitted by nikros on Tue, 12/29/2015 - 10:01

Hello. I'm a new user of CFDEM. I follow the instructions in the githubaccess_public.pdf files.
After setting the environment variables in my .bashrc file I checked it by cfdemSysTest

The problems were:
valid:NO critical:yes - $CFDEM_LPP_DIR = /home/asorkin/LIGGGHTS/mylpp/src does not exist
and
valid:NO critical:no - $C3PO_SRC_DIR = /home/asorkin/CFDEM/CFDEMcoupling-PUBLIC-/src/c3po does not exist

problem in CFDEM installing

Submitted by Talat on Sat, 12/19/2015 - 20:20

Hi Everybody,

I am trying to set up CFDEMproject on ubuntu 14.04 LTS, and I am following the same exact steps on githubAccess_public.pdf.
The compilation run for a while and in the end gave me the following :
“.
.
.
a - write_dump.o
a - write_restart.o
make[1]: Leaving directory `/home/almsahli6/LIGGGHTS/LIGGGHTS-PUBLIC/src/Obj_fedora_fpic'

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