LIGGGHTS® - User Forum

Hi All,

After completion of LIGGGHTS simulation, to see the results on paraview, i am trying to convert the output files into vtk format
in the post folder. But it is giving the following error.

naren@ubuntu:~/LIGGGHTS/LIGGGHTS-PUBLIC/examples/LIGGGHTS/Tutorials_public/chute_wear/post$ lpp dump*.chute
aborting due to errors: Invalid or no argument given for cpunum

It worked well till now, suddenly i come across this problem.

Please help...

Thanks,

I would like to visualize a simulation of heat transfer from particle to particle using Paraview and vtk format. Is there an expedient way to do this? Perhaps editing the dump_atom_vtk.cpp code to add Temperature/Heat properties to the write_data functions would be the most optimal?

Any insight or recommendations would be extremely helpful

V/R
Quincy

Hi I have installed mpich2 with process outlined below. LIGGGHTS in installed by following the process outlined in https://github.com/CFDEMproject/LIGGGHTS-PUBLIC/wiki/Installing-LIGGGHTS...

Hi I have installed mpich2 with process outlined below. LIGGGHTS in installed by following the process outlined in https://github.com/CFDEMproject/LIGGGHTS-PUBLIC/wiki/Installing-LIGGGHTS...

Hi, everyone here.
i have several quite basic questions:

I have installed LIGGGHTS in windows with the procedure outlined in https://github.com/CFDEMproject/LIGGGHTS-PUBLIC/wiki/Installing-LIGGGHTS.... LIGGGHTS is working properly.

Hi everyone

I am implementing the great model / hertz / history / stiffness in LIGGGHTS 3.0.0, the code is as follows:

units si
atom_style sphere
atom_modify map array
boundary m f m
newton off
communicate single vel yes
processors 2 2 2

region reg block -2.7 2.7 -0.1 1.1 -2.7 2.7 units box
create_box 1 reg

neighbor 0.001 bin
neigh_modify delay 0

#Material properties required for new pair styles

Hi

I get a buffer overflow error when the LIGGGHTS input script tries to import .stl files. I have LIGGGHTS 3.0.1 installed on my computer and what it is strange is that the same mesh file is working fine in another computer which has LIGGGHTS 2.3.8 installed. I am not sure what I am doing wrong. Any ideas on why this is happening and how I can proceed?

Here is the complete error message:

Hello, I am trying to simulate a tribo-electric separator with a spatial dependent electric filed. For which I have written all desired variables in the in.script. However, while running it ends-up at:

Step Atoms KinEng 1 Volume
0 0 -0 0 1.4486977
ERROR: Invalid syntax in variable formula (variable.cpp:1385)

The scripd other stl files are attached with the post....

Plz, if anyone can tell whats wrong in my script.

It is noted that LIGGGHTS has the capability to model the irregular-shape particle by using multi-sphere treatment? Is the multi-sphere code available in the public domain? How to use the function? Appreciate for any help.