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Showing results 1 to 4 of 4 Search took 0.00 seconds. Search: Posts Made By: ghorrocks

Forum: CFX November 10, 2010, 16:33

Replies: 12 uniform mass fraction throughout domain Views: 1,641 Posted By ghorrocks Your diffusivity could be out by orders of... Your diffusivity could be out by orders of magnitude. Small changes will then have no effect. Try a diffusivity of 1e-20 and see if that makes a difference.

Forum: CFX November 6, 2010, 06:17

Replies: 12 uniform mass fraction throughout domain Views: 1,641 Posted By ghorrocks If you have set the diffusivity too high it will... If you have set the diffusivity too high it will rapidly diffuse over the entire domain. Are you sure the diffusivity is correct?

Forum: CFX November 4, 2010, 05:26

Replies: 12 uniform mass fraction throughout domain Views: 1,641 Posted By ghorrocks If the initial mass fraction is 1 then you have... If the initial mass fraction is 1 then you have to inject stuff with a mass fraction of 0 (or anything other than 1) to get anything to happen.

Forum: CFX November 4, 2010, 05:25

Replies: 12 uniform mass fraction throughout domain Views: 1,641 Posted By ghorrocks If you set the initial mass fraction as 1 and... If you set the initial mass fraction as 1 and inject stuff with a mass fraction of 1 into the domain then nothing will happen. As Ali suggests, have a look at the tutorial examples for how to set up...

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