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Search took 0.00 seconds. Search: Posts Made By: tecmul
Forum: OpenFOAM Running, Solving & CFD September 14, 2021, 07:02
Replies: 17
Views: 3,687
Posted By tecmul
Yes the boat and propeller tutorial confused me...

Yes the boat and propeller tutorial confused me as well. I think the comment is wrong here because I've run tests of double pendulums and the centre of mass does indeed seem to be specified relative...
Forum: OpenFOAM Running, Solving & CFD July 3, 2021, 05:51
Replies: 17
Views: 3,687
Posted By tecmul
No, it isn't; and besides, the ability to use the...

No, it isn't; and besides, the ability to use the sixDoFRigidBodyMotion as a boundary condition was removed from OpenFoam 5 onwards. See this...
Forum: OpenFOAM Running, Solving & CFD June 16, 2021, 10:00
Replies: 17
Views: 3,687
Posted By tecmul
Hello Florian, glad I could help. I don't know...

Hello Florian, glad I could help.
I don't know the answer to your first question, but if I had to guess I'd say it's something to do with Roy Featherstone's algorithm. The rigid body dynamics...
Forum: OpenFOAM Running, Solving & CFD March 17, 2021, 06:46
Replies: 17
Views: 3,687
Posted By tecmul
The user sets the origin of the local coordinate...

The user sets the origin of the local coordinate system. Or are you asking how to monitor the origin as it moves over time?
Forum: OpenFOAM Running, Solving & CFD March 17, 2021, 02:12
Replies: 17
Views: 3,687
Posted By tecmul
If the centre of rotation of the body is to be...

If the centre of rotation of the body is to be 0.1 m above the centre of mass, then for the left body you would specify

centreOfMass (0 0 -0.1);
transform (1 0 0 0 1 0 0 0 1) (-0.5 0.45...
Forum: OpenFOAM Running, Solving & CFD February 10, 2021, 16:08
Replies: 17
Views: 3,687
Posted By tecmul
So I've been working with and testing the...

So I've been working with and testing the rigidBodyDynamics library for some time. I'm not 100% certain so take everything I say with a grain of salt, especially regarding the coordinate transform.
...
Forum: OpenFOAM Running, Solving & CFD March 28, 2020, 17:20
Replies: 17
Views: 3,687
Posted By tecmul
Anyone? Any ideas?

Anyone? Any ideas?
Forum: OpenFOAM Running, Solving & CFD January 25, 2020, 17:27
Replies: 17
Views: 3,687
Posted By tecmul
I'm struggling with the same questions as OP. ...

I'm struggling with the same questions as OP.
In interFoam's floating object tutorial (OpenFOAM v6), there's two dynamic mesh dictionaries, one for the sixDoF library and one for the...
Showing results 1 to 8 of 8

 
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