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

Moving Mesh - Difference between fixedValue and movingWalVelocity

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

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   January 21, 2015, 12:53
Default Moving Mesh - Difference between fixedValue and movingWalVelocity
  #1
New Member
 
Björn N.
Join Date: Jun 2013
Posts: 11
Rep Power: 12
bjoern1 is on a distinguished road
Hi together!

in my case, I am using the dynamicMeshDict as follows:

Code:
/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  2.3.0                                 |
|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    location    "constant";
    object      dynamicMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

dynamicFvMesh   solidBodyMotionFvMesh;

motionSolverLibs ( "libfvMotionSolvers.so" );

solidBodyMotionFvMeshCoeffs
{
    cellZone        c0Zone; //


    solidBodyMotionFunction  rotatingMotion;
    rotatingMotionCoeffs
    {
        origin      (0 0 0);
        axis        (0 0 1);
        omega       158; //
    }
}


// ************************************************************************* //
inside of the rotated zone is a hole, that should represent a 2-d-cylinder.
The cylinder should neither move nor rotate. Now I wonder how I can get the zero velocity at the wall of the cylinder, whereas the mesh is rotating.

I know there are these types for the bc's :

- fixedValue
- movingWallVelocity
- rotatingWallVelocity

But I am not sure which one to use for the wall patches, or what the difference is...
Can someone help me with that?


Thanks a lot in advance!


Björn
bjoern1 is offline   Reply With Quote

Reply

Tags
fixedvalue, movingmesh, movingwallvelocity

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



All times are GMT -4. The time now is 14:47.