Which analysis type do i use?

berkozaydin · November 17, 2019, 05:58

Hi, I am a student and I try to learn Ansys Fluent. I have a project and want to see approximately how much pressure is it needed to swell. Which analysis type do i use? It is elastic, therefore i am confused.

Here is the link: https://www.youtube.com/watch?v=GgJt6vIbiso (If you do not wonder how it is made, you can watch the last minute.)

Gert-Jan · November 18, 2019, 05:04

I doubt if this can be done using Fluent. The flow is not so interesting here. The shape (i.e. deformation) is not determined by flow but by the pressure. So you'd better focus on the mechanical part. Not sure what mechanical software can do this.

evcelica · November 19, 2019, 17:01

Not CFD software, as Gert-Jan says.
This would be a mechanical analysis with geometric non-linearities, and probably material non-linearities included. Most commercial FEA packages should be able to do this. ANSYS mechanical static-structural for one. Transient-Structural is not needed, as inertia is not a role here for the most part.

November 17, 2019, 05:58	Which analysis type do i use?	#1
berkozaydin New Member Ataberk Join Date: Nov 2019 Posts: 14 Rep Power: 7	Hi, I am a student and I try to learn Ansys Fluent. I have a project and want to see approximately how much pressure is it needed to swell. Which analysis type do i use? It is elastic, therefore i am confused. Here is the link: https://www.youtube.com/watch?v=GgJt6vIbiso (If you do not wonder how it is made, you can watch the last minute.)

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November 18, 2019, 05:04		#2
Gert-Jan Senior Member Gert-Jan Join Date: Oct 2012 Location: Europe Posts: 1,928 Rep Power: 28	I doubt if this can be done using Fluent. The flow is not so interesting here. The shape (i.e. deformation) is not determined by flow but by the pressure. So you'd better focus on the mechanical part. Not sure what mechanical software can do this.

November 19, 2019, 17:01		#3
evcelica Senior Member Erik Join Date: Feb 2011 Location: Earth (Land portion) Posts: 1,188 Rep Power: 23	Not CFD software, as Gert-Jan says. This would be a mechanical analysis with geometric non-linearities, and probably material non-linearities included. Most commercial FEA packages should be able to do this. ANSYS mechanical static-structural for one. Transient-Structural is not needed, as inertia is not a role here for the most part.