CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > OpenFOAM

Some advice / feedback on my dsmcfoam simulation

Register Blogs Members List Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   November 22, 2020, 09:29
Smile Some advice / feedback on my dsmcfoam simulation
  #1
New Member
 
Rhys
Join Date: Nov 2020
Posts: 1
Rep Power: 0
iamthegeese is on a distinguished road
Hello everyone

I'm in the process of trying to learn how to use OpenFOAM / dsmcfoam to use in my own project ( Gas injection into a cylinder at vacuum pressure ).

After following lots of tutorials online ( 12 hours straight yesterday! Ugh!) i have now got to the point where i have modified the 'Wedge15Ma5copy' tutorial study that is included with the software.

I have meshed my cylinder with SALOME and it shows in ParaView , although when I run the case it returns blank after a second or so.

As it is a fully enclosed volume (i.e no external boundary) I am not sure if I require the 'blocks'

I set up the cylinder as all wall and one inlet.

I have uploaded my case files here : Google Drive Link to zip file

Mesh Output :

Rhys@DESKTOP-S742URO MINGW64 OpenFOAM-5.x ~/blueCFD/ofuser-of5/run/Wedge15Ma5copy
$ ideasUnvToFoam Mesh_1.unv
/*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 5.x |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
/* Windows 32 and 64 bit porting by blueCAPE: http://www.bluecape.com.pt *\
| Based on Windows porting (2.0.x v4) by Symscape: http://www.symscape.com |
\*---------------------------------------------------------------------------*/
Build : 5.x-963176928289
Exec : C:/PROGRA~1/BLUECF~1/OpenFOAM-5.x/platforms/mingw_w64GccDPInt32Opt/bin/ideasUnvToFoam.exe Mesh_1.unv
Date : Nov 22 2020
Time : 12:57:42
Host : "DESKTOP-S742URO"
PID : 3332
I/O : uncollated
Case : C:/PROGRA~1/BLUECF~1/ofuser-of5/run/Wedge15Ma5copy
nProcs : 1
SigFpe : Enabling floating point exception trapping (FOAM_SIGFPE).
fileModificationChecking : Monitoring run-time modified files using timeStampMaster (fileModificationSkew 10)
allowSystemOperations : Allowing user-supplied system call operations

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

Processing tag:164
Starting reading units at line 3.
l:1
units:" SI: Meter (newton)"
unitType:2
Unit factors:
Length scale : 1
Force scale : 1
Temperature scale : 1
Temperature offset : 273.15


Processing tag:2420
Skipping tag 2420 on line 9
Skipping section at line 9.

Processing tag:2411
Starting reading points at line 20.
Read 1755 points.

Processing tag:2412
Starting reading cells at line 3533.
First occurrence of element type 11 for cell 1 at line 3534
First occurrence of element type 41 for cell 85 at line 3786
First occurrence of element type 111 for cell 1089 at line 5794
Read 8685 cells and 1004 boundary faces.

Processing tag:2467
Starting reading patches at line 23166.
For group 1 named wall trying to read 958 patch face indices.
For group 2 named inlet trying to read 46 patch face indices.

Sorting boundary faces according to group (patch)
0: wall is patch
1: inlet is patch

Constructing mesh with non-default patches of size:
wall 958
inlet 46

End

View in ParaFoam ( before running) ( I know my axis is incorrect in terms of inlet direction, but I dont image this to be a problem for this piece ? )

<a href="https://ibb.co/5spy0QC"><img src="https://i.ibb.co/mhZwjnd/Screenshot-2.png" alt="Screenshot-2" border="0"></a>
<a href="https://ibb.co/WgJFD3B"><img src="https://i.ibb.co/qkQ90nm/Screenshot-3.png" alt="Screenshot-3" border="0"></a>

Thanks in advance
Rhys
iamthegeese is offline   Reply With Quote

Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
[Other] Need Advice! Simulation of flow at the aft of a ship nikhil07071990 ANSYS Meshing & Geometry 0 November 22, 2018 07:56
Discrete event simulation vs. fixed time (discrete time simulation) jenjon FLUENT 0 March 10, 2013 07:58
Simulation and Optimisation of centrifugal fan 3D to 2D eRzBeNgEl STAR-CCM+ 0 January 31, 2013 14:21
Advice using dsmcFoam JacobHempel OpenFOAM Running, Solving & CFD 4 October 18, 2012 07:03
Stirling engine simulation advice needed Geoffrey Main CFD Forum 2 December 18, 2001 03:26


All times are GMT -4. The time now is 05:22.