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I am working with Ansys workbench a simulation of deformation for temperature. One of the materials that I am using is Air. When I give resolve, it generates a mistake because the properties of the air aren´t  enough or aren´t clear.

Does someone know that I must do? what properties I have to bring to the software to be able to do this simulation?, or if there is some form of which the program recognizes the air as a gas?

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Is it possible to get a more detailed discription of Your problem?
What is the reason for modelling the air volume?

Regards
E.Peter

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E. P e t e r
RAMST, EMC & Environmental Eng.
EADS Deutschland GmbH
89077 Ulm

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Aislamiento_2_Nitrogen.rar

I am going to send you the model in CATIA V5 R12.

I have liquid nitrogen in a tank of plastic, this one is isolated by air inside another tank of plastic. As the Liquid nitrogen have a very low temperature, there presents a transfer of energy and a change of temperature in the walls of the tanks. I need to know which is the deformation in the walls, for effect of the change of temperature

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