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Simulate pressure (fluid) through a pipe

Posted 28 oct. 2019, 08:30 UTC−4 Structural & Acoustics, Fluid & Heat, Structural Mechanics Version 5.4 3 Replies

Edmund Klundt
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Hi, I am a Student and don't have much experience with COMSOL.

I want to simulate the pressure and stress on a pipe (like a very tiny syringe needle). The pipe itself is very thin and the material has to be gold. The fluid (Propanol - laminar) comes with high pressure and has got a diffrent temperature than the pipe.

I tried some tutorials, but haven't found any information about the effect the fluid-flow has on the pipe. I hope someone can give me an idea how getting started.

Best regards Eddy

3 Replies Last Post 4 nov. 2019, 03:47 UTC−5
Hinrich Arnoldt COMSOL Employee

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Posted: 5 years ago 30 oct. 2019, 09:49 UTC−4

Hello Eddy,

if you want to compute the pipe's mechanical stress you will need to include fluid-structure coupling. See e.g. https://www.comsol.de/blogs/simulating-fluid-structure-interaction-in-a-ball-check-valve/ and the links therein.

If you want to study the resulting heat distribution you will need to couple the flow with a heat transfer interface. See e.g. https://www.comsol.de/blogs/finding-the-ideal-thickness-for-the-insulation-of-a-pipeline/

Kind regards Hinrich Arnoldt

Hello Eddy, if you want to compute the pipe's mechanical stress you will need to include fluid-structure coupling. See e.g. https://www.comsol.de/blogs/simulating-fluid-structure-interaction-in-a-ball-check-valve/ and the links therein. If you want to study the resulting heat distribution you will need to couple the flow with a heat transfer interface. See e.g. https://www.comsol.de/blogs/finding-the-ideal-thickness-for-the-insulation-of-a-pipeline/ Kind regards Hinrich Arnoldt
Jeff Hiller COMSOL Employee

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Posted: 5 years ago 30 oct. 2019, 10:17 UTC−4
Updated: 5 years ago 30 oct. 2019, 06:17 UTC−4

If you are interested in Fluid Structure Interaction modeling with COMSOL, an additional resource is this video.

Best regards,

Jeff

-------------------
Jeff Hiller
If you are interested in Fluid Structure Interaction modeling with COMSOL, an additional resource is [this video](https://www.comsol.com/video/modeling-fluid-structure-interaction-with-comsol-multiphysics). Best regards, Jeff
Edmund Klundt
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Posted: 5 years ago 4 nov. 2019, 03:47 UTC−5

Hello Eddy,

if you want to compute the pipe's mechanical stress you will need to include fluid-structure coupling. See e.g. https://www.comsol.de/blogs/simulating-fluid-structure-interaction-in-a-ball-check-valve/ and the links therein.

If you want to study the resulting heat distribution you will need to couple the flow with a heat transfer interface. See e.g. https://www.comsol.de/blogs/finding-the-ideal-thickness-for-the-insulation-of-a-pipeline/

Kind regards Hinrich Arnoldt

Thank you very much! Helped a lot!

>Hello Eddy, > >if you want to compute the pipe's mechanical stress you will need to include fluid-structure coupling. See e.g. https://www.comsol.de/blogs/simulating-fluid-structure-interaction-in-a-ball-check-valve/ and the links therein. > >If you want to study the resulting heat distribution you will need to couple the flow with a heat transfer interface. See e.g. https://www.comsol.de/blogs/finding-the-ideal-thickness-for-the-insulation-of-a-pipeline/ > >Kind regards >Hinrich Arnoldt Thank you very much! Helped a lot!

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