Post Processing

First thanks to all developers for the great new 3.8.0 release.
One simple question: how can one visualize the superquadrics from the given tutorial in examples folder ?
Thanks a lot,
Christian.

Hey
I'm Aries and I'm a newcomer in this CFDEM, recently I just run a tutorial */cfdemSolverIB/twoSphereGlowkiMPI and I keyed in ./Allrun.sh
But I don't know I should I do next
(1) I have no idea about how to set the parameters in Paraview.
(2) I wan to know how to change the files to modify this tutorial to my project
(3)Is there anything documents or videos for me to learn this CFDEM
here is my Email s16020323@s.upc.edu.cn
Thanks

Hi!

I have the wear information of a stl file. I need to calculate the difference between the wears of two differents timesteps, in other words, i want to do something like this:

Wear [Timestep=200] - Wear [Timestep=50], because i dont need the wear information of the first 50 timesteps.

Im trying to do this in paraview but i have not produced any results. Anyone have some idea of how can i solve this?

Thanks!

Hi everyone,

I might be omitting something obvious, but I can not get Paraview 5.4.1. to show dimension labels (numbers) in X, Y, Z direction of my data. I enable Axes grid under -View, and I get the grid itself and ticks, but not labels.

I also try enable data axes grid in the -Display tab and same thing, I can get/change/modify grid, ticks, etc, but I can not get any labels rendered.

I have already checked that I have all axes in "Axes to label" checked. I have even tried to use custom labels, but not even they will be displayed.

hi,
i m using a cylindrical mixer. i want to extract my data along a line probe. when i select plot over line it gives me results of two points not all particles on that line or probe. basically i want to extract a data w.r.t to x-coordinates. can anyone help me how to get a data of points along a line

Dear All,

I am performing a simulation similar to the ErgunTestMPI test, but with a different geometry than the cylinder showed in the tutorial. My geometry comes from three STL files. created with a CAD. From the STL files (inlet.stl, outlet.stl, wall.stl) I generated a volumetric mesh, employing the "snappyHexMesh", and I run successfully a CFDEM coupling, where an inlet gas (CFD) is moving the DEM particles.

My question is about the post-processing with Paraview.

Hi everyone,
I have posted this question some days ago but could not get any answer. Now I am trying to explain it more.

I am using open source software LIGGGHTS, which uses DEM (discrete element method), My simulation contains a cylinder and 4 bladed impeller which rotates inside the cylinder. I have inserted 3 types of particles in the cylinder and rotate the impeller which causes mixing of particles that process is done using LIGGGHTS software.

All,

A while back, Christian (user richti83) provided me with a neat little script to put in a python programmable filter so that I can calculate the volume fraction of particles inside a box-shaped clip filter (slightly edited for my personal use):

import math
input = self.GetInputDataObject(0, 0)
output = self.GetOutputDataObject(0)
fielddata=input.GetFieldData()
COUNT=input.GetNumberOfPoints()
pd=input.GetPointData()

Good Day,

In my script, I have;

compute Nforces all pair/gran/local force id pos
dump dmpforces all local 1000 post/dump*.data_f c_Nforces[1] c_Nforces[2] ... c_Nforces[12]

and also

dump dump all custom 1000 post/dump*.data id type x y z ix iy iz vx vy vz fx fy fz omegax omegay omegaz radius


I can successfully use

lpp dump*.data (and generate VTKs)

However, with

lpp dump*.data_f

I get an error

When I try to use lpp I'm getting an error that says the folowing:

File "/home/***/bin/lpp", line 45
raise ValueError, "Invalid or no argument given for chunksize"
^
SyntaxError: invalid syntax

im running python 3 (miniconda 3). I've tried deleting my lpp directory as well as the files in the bin directory. Any ideas?