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Search: Posts Made By: araujo
Forum: OpenFOAM July 29, 2014, 06:35
Replies: 36
Views: 8,379
Posted By araujo
Center of mass on (0,0,0)? Is that correct? It is...

Center of mass on (0,0,0)? Is that correct? It is important to notice that the center of mass of the cylinder is referred relative to the domain position (your mesh).
Forum: OpenFOAM July 28, 2014, 16:50
Replies: 36
Views: 8,379
Posted By araujo
Check out the pointDisplacement file. I believe...

Check out the pointDisplacement file. I believe there is something wrong with your constraints.
Forum: OpenFOAM July 28, 2014, 15:30
Replies: 36
Views: 8,379
Posted By araujo
Which openfoam version are you using? This varies...

Which openfoam version are you using? This varies from version to version.
Forum: OpenFOAM July 28, 2014, 04:42
Replies: 36
Views: 8,379
Posted By araujo
Dear Amit, I believe it has something to do...

Dear Amit,

I believe it has something to do with the "constraints" on your dynamicMesh dictionary. Check out if you set up the right axes and lines for your body to move.
Forum: OpenFOAM July 27, 2014, 18:33
Replies: 36
Views: 8,379
Posted By araujo
How is your domain? The x length relative to the...

How is your domain? The x length relative to the cylinder and y length? And how many points in each axis are you using?
Forum: OpenFOAM July 27, 2014, 18:32
Replies: 36
Views: 8,379
Posted By araujo
Maimouna, I believe it has something to do...

Maimouna,

I believe it has something to do with your mesh and the solver you are using. Certain solvers cannot handle big displacements and tends to diverge. Check out your time step too. I...
Forum: OpenFOAM July 24, 2014, 18:51
Replies: 36
Views: 8,379
Posted By araujo
the place that the force of the string should...

the place that the force of the string should apply is represented on this picture:

http://fluidsengineering.asmedigitalcollection.asme.org/data/Journals/JFEGA4/926054/104501_1_f1.jpeg

when...
Forum: OpenFOAM February 19, 2014, 16:25
Replies: 36
Views: 8,379
Posted By araujo
which delta_x and delta_t are you using?...

which delta_x and delta_t are you using? stiffness and damping?
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