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Forum: OpenFOAM Running, Solving & CFD

February 25, 2009, 10:43

Replies: 17

Using version 15 for oscillating cylinder

Views: 5,279

Posted By patriem

I have to mention that there w

I have to mention that there were of course changes in the dynamicmeshdict (to displacementlaplacian)
fvsolution and fvschemes necessary. and the file in 0 should be called pointDisplacement.

Forum: OpenFOAM Running, Solving & CFD

February 25, 2009, 10:21

Replies: 17

Using version 15 for oscillating cylinder

Views: 5,279

Posted By patriem

Thank you very much, i am one

Thank you very much, i am one step further right now!

I could change the sin to a cos-motion by editing the oscillatingDisplacement...C file. And it still works.

Patrick

Forum: OpenFOAM Running, Solving & CFD

February 25, 2009, 08:36

Replies: 17

Using version 15 for oscillating cylinder

Views: 5,279

Posted By patriem

can´t anybody help me? tried i

can´t anybody help me? tried it again today, but the meshmotions isn´t the expected. the amplitude is much too high!

Forum: OpenFOAM Running, Solving & CFD

February 24, 2009, 14:16

Replies: 17

Using version 15 for oscillating cylinder

Views: 5,279

Posted By patriem

Hello, I don´t think that i

Hello,

I don´t think that i MUST use oscillatingDisplacemt. I can also describe the motion by oscillatiingVelocity, with the maximum value of velocity as the amplitude, and omega as 2*pi*f.
...

Forum: OpenFOAM Running, Solving & CFD

February 24, 2009, 05:16

Replies: 17

Using version 15 for oscillating cylinder

Views: 5,279

Posted By patriem

Hello, for an oscillating s

Hello,

for an oscillating sine motion with vel_amp_x=0.226m/s and frequency of 128Hz i used oscillatingVelocity and a pointMotionU with

type oscillatingVelocity;
omega 804.096;...

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