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combining acoustic with laminar flow

Posted 16 feb 2017, 04:11 GMT-5 Acoustics & Vibrations, Computational Fluid Dynamics (CFD) Version 5.2 4 Replies

KZG
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Hi all,
did anybody simulated wind speed/direction impact on acoustic field?
combining laminar flow with pressure acoustics does not create multiphysics node.
Anybody have an idea?

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Daria Wotzka
4 Replies Last Post 17 feb 2017, 03:29 GMT-5
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 8 years ago 16 feb 2017, 04:27 GMT-5
Hi

Have you studies this application library example ?

www.comsol.eu/model/ultrasound-flow-meter-with-generic-time-of-flight-configuration-34991

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Good luck
Ivar
Hi Have you studies this application library example ? https://www.comsol.eu/model/ultrasound-flow-meter-with-generic-time-of-flight-configuration-34991 -- Good luck Ivar
KZG
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Posted: 8 years ago 16 feb 2017, 04:35 GMT-5

not yet :)

thanks a lot i will look on it.
best regards,
Daria
not yet :) thanks a lot i will look on it. best regards, Daria
KZG
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Posted: 8 years ago 16 feb 2017, 05:35 GMT-5
Dear Ivar,
the >Ultrasound> is not available in the 5.2 :(
if I try with pressure acoustic would it be fine?

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Daria Wotzka
Dear Ivar, the >Ultrasound> is not available in the 5.2 :( if I try with pressure acoustic would it be fine? -- Daria Wotzka
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 8 years ago 17 feb 2017, 03:29 GMT-5
Hello

you are right its a new feature of 5.2a I see.

Normally you need the transport part that has been added to the Convected wave equation in 5.2a, you might write it out yourself, but there a quite some equations, probably its easier to upgrade if you have the cash ;(

I'm a happy user with a boss accepting to pay the maintenance and the upgrades. And at the speed COMSOL adds new features it's worth it, at least for an industrial approach.

--
Good luck
Ivar
Hello you are right its a new feature of 5.2a I see. Normally you need the transport part that has been added to the Convected wave equation in 5.2a, you might write it out yourself, but there a quite some equations, probably its easier to upgrade if you have the cash ;( I'm a happy user with a boss accepting to pay the maintenance and the upgrades. And at the speed COMSOL adds new features it's worth it, at least for an industrial approach. -- Good luck Ivar

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