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Showing results 1 to 6 of 6 Search took 0.00 seconds. Search: Posts Made By: ghorrocks

Forum: CFX April 6, 2014, 08:36

Replies: 14 Need help with a rocket nozzle simulation Views: 5,189 Posted By ghorrocks I have no idea. Try the open foam forum. This is... I have no idea. Try the open foam forum. This is the CFX forum.

Forum: CFX June 26, 2013, 06:04

Replies: 14 Need help with a rocket nozzle simulation Views: 5,189 Posted By ghorrocks The CFD-Post tutorials describe how to add a... The CFD-Post tutorials describe how to add a variable and do stuff with it. You want to define a general variable (not just a spreadsheet cell) so you can use it as a variable to plot on objects. ...

Forum: CFX June 24, 2013, 20:05

Replies: 14 Need help with a rocket nozzle simulation Views: 5,189 Posted By ghorrocks Your first question sounds like simple chart... Your first question sounds like simple chart processing. You might need to define a variable for your Cp, but it is then easy to make a chart of it along a line. But CFD-Post has limited...

Forum: CFX June 20, 2013, 06:32

Replies: 14 Need help with a rocket nozzle simulation Views: 5,189 Posted By ghorrocks That means your simulation is diverging. You need... That means your simulation is diverging. You need to improve the numerical stability of your simulation. Assuming the physics is correctly set up that would mean double precision numerics, better...

Forum: CFX June 13, 2013, 20:50

Replies: 14 Need help with a rocket nozzle simulation Views: 5,189 Posted By ghorrocks I agree, improved mesh quality is a really good... I agree, improved mesh quality is a really good place to start with simulations which are tricky to converge.

Forum: CFX June 13, 2013, 18:51

Replies: 14 Need help with a rocket nozzle simulation Views: 5,189 Posted By ghorrocks gamma is the ratio of specific heats, so change... gamma is the ratio of specific heats, so change the specific heats and you will change gamma. Your convergence problems sound like typical failures to converge - have a look at this FAQ:...

Showing results 1 to 6 of 6

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