Velocity constraint in Acoustics
Velocity constraint in Acoustics
(OP)
Hi,
I would like to be able to use velocity instead of displacement as a DOF constraint for an acoustics model.
I know that going from displacement to velocity is just a matter of scaling the results, however I haven't found a convenient way of doing this. Anyone have any good tricks?
JB
I would like to be able to use velocity instead of displacement as a DOF constraint for an acoustics model.
I know that going from displacement to velocity is just a matter of scaling the results, however I haven't found a convenient way of doing this. Anyone have any good tricks?
JB





RE: Velocity constraint in Acoustics
i know sysnoise can do it
puri
RE: Velocity constraint in Acoustics
You could add a damper element connected to the node you want to excite, connected to ground. If this damper were chosen with a very large coefficient, and a very large force were applied (such that the force was much greater than acoustic reactions forces). You would end up with a constant velocity situation.
It's still a hassle, but it would work.
What does Sysnoise cost/would you recommend it. I do loudspeaker design. FEA is mostly used for waveguides.
JB