[DesignModeler] simulating a moving body in a flowing field

orland · November 28, 2011, 12:32

hello,
I'm trying to simulate a solid body flowing inside a pipe.
how do i create the geometry in design modeler?
I've tried using the freeze and subtract tools but in both cases the body does not move.
many thanks for your help!

Graham81 · December 2, 2011, 11:07

What do you mean moving body? If you want to change its position you can use "body operation - translate", if you want to solve the flow field of a moving body, try CFX instead of DM.

orland · December 2, 2011, 13:22

Quote:

Originally Posted by Graham81

What do you mean moving body? If you want to change its position you can use "body operation - translate", if you want to solve the flow field of a moving body, try CFX instead of DM.

I want to create a geometry in which the body will be able to move due to the flow field inside the pipe..
Thanks for the help!

Link to image:
http://i44.tinypic.com/5ys0ft.jpg

k_k · December 13, 2011, 12:17

you need to have a seperate volume around the cylinder and specify it as a rigid body with translatory dof.... u should activate remeshing in the volume outside the rigid body...

November 28, 2011, 12:32	simulating a moving body in a flowing field	#1
orland New Member Ro'ee Orland Join Date: Nov 2010 Posts: 18 Rep Power: 16	hello, I'm trying to simulate a solid body flowing inside a pipe. how do i create the geometry in design modeler? I've tried using the freeze and subtract tools but in both cases the body does not move. many thanks for your help!

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December 2, 2011, 11:07		#2
Graham81 Member Join Date: Dec 2009 Posts: 57 Rep Power: 16	What do you mean moving body? If you want to change its position you can use "body operation - translate", if you want to solve the flow field of a moving body, try CFX instead of DM.

December 13, 2011, 12:17		#4
k_k Member Kailash Join Date: May 2011 Location: London, UK Posts: 45 Rep Power: 15	you need to have a seperate volume around the cylinder and specify it as a rigid body with translatory dof.... u should activate remeshing in the volume outside the rigid body...