|
[Sponsors] |
Paraview re-adjusting scale when changing between velocity and pressure |
![]() |
|
LinkBack | Thread Tools | Search this Thread | Display Modes |
![]() |
![]() |
#1 |
New Member
Katie
Join Date: May 2020
Posts: 1
Rep Power: 0 ![]() |
Hi everyone,
I am new to OpenFOAM and I have to use it for a final course project. I am trying to run a simulation of air flowing into a box shape that is connected to a u-shaped pipe. This is a cold flow analysis, no heat is considered. I am using simpleFOAM as a solver because I want to include turbulence. When I run the simulation and open ParaView, I want to see the velocity and the pressure maps across the volume. When I change from one to the other and back again, the scale changes from (0 to 0.3 m/s) to (0 to 1e308 m/s)! I close and reopen paraview to reset this issue. I want to slice the volume in half symmetrically to see what is happening on the inside of my system (I set the walls to zero velocity). I slice it in half and when I click "rescale to visible data" the scale then changes to (nan to 1e38 m/s). Does anyone know why this might be happening? I have googled this and read lots of guides and cannot figure it out. I am really struggling with this! Thank you in advance ![]() |
|
![]() |
![]() |
![]() |
![]() |
#2 |
Senior Member
Herpes Free Engineer
Join Date: Sep 2019
Location: The Home Under The Ground with the Lost Boys
Posts: 931
Rep Power: 12 ![]() |
- Can you visually check the content of "U" file at the latest time directory - may be the simulation resulted in these nonphysical "U" values?
- If you can't open your "U" files for some reason, you can execute `postProcess -func "minMaxComponents(U)" -latestTime` to see the minimum and maximum velocity components within your computational domain.
__________________
The OpenFOAM community is the biggest contributor to OpenFOAM: User guide/Wiki-1/Wiki-2/Code guide/Code Wiki/Journal Nilsson/Guerrero/Holzinger/Holzmann/Nagy/Santos/Nozaki/Jasak/Primer Governance Bugs/Features: OpenFOAM (ESI-OpenCFD-Trademark) Bugs/Features: FOAM-Extend (Wikki-FSB) Bugs: OpenFOAM.org How to create a MWE New: Forkable OpenFOAM mirror |
|
![]() |
![]() |
![]() |
Tags |
scale problem, simplefoam, visualization |
|
|
![]() |
||||
Thread | Thread Starter | Forum | Replies | Last Post |
outlet pressure Boundary settings -velocity streamline under ambient temp.conditions | Vishnu_bharathi | CFX | 12 | November 21, 2017 06:56 |
Neumann pressure BC and velocity field | Antech | Main CFD Forum | 0 | April 25, 2006 02:15 |
Variables Definition in CFX Solver 5.6 | R P | CFX | 2 | October 26, 2004 02:13 |
Terrible Mistake In Fluid Dynamics History | Abhi | Main CFD Forum | 12 | July 8, 2002 09:11 |
what the result is negatif pressure at inlet | chong chee nan | FLUENT | 0 | December 29, 2001 05:13 |