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Showing results 1 to 10 of 10 Search took 0.00 seconds. Search: Posts Made By: Andrew.Coughtrie

Forum: Main CFD Forum August 3, 2011, 12:08

Replies: 29 Truck cfd analysis Views: 5,469 Posted By Andrew.Coughtrie I sugest you try to produce a structured mesh... I sugest you try to produce a structured mesh with more refinement behind the truck where the features you're interested in are. you'll also need to do a mesh independence study. You should look up...

Forum: Main CFD Forum August 3, 2011, 11:45

Replies: 29 Truck cfd analysis Views: 5,469 Posted By Andrew.Coughtrie Can you post a pic of your mesh as well? Also... Can you post a pic of your mesh as well? Also what setting are you using in CFX, what turbulence model, boundary conditions etc?

Forum: Main CFD Forum August 1, 2011, 03:43

Replies: 29 Truck cfd analysis Views: 5,469 Posted By Andrew.Coughtrie You always need either a Research License or a... You always need either a Research License or a Commercial license if you're going to be doing anything that will be published. An academic teaching license should only be used for learning the...

Forum: Main CFD Forum July 30, 2011, 19:48

Replies: 29 Truck cfd analysis Views: 5,469 Posted By Andrew.Coughtrie These links explain it. ... These links explain it. http://www.cfd-online.com/Forums/cfx/67225-drag-coefficient.html http://www.cfd-online.com/Forums/cfx/21640-how-use-ansys-cfx-get-drag-coefficient.html

Forum: Main CFD Forum July 29, 2011, 15:13

Replies: 29 Truck cfd analysis Views: 5,469 Posted By Andrew.Coughtrie Yes that would work too, it would probably be the... Yes that would work too, it would probably be the easiest option but it depends on the software you have available to you. The enclose feature in geometry modeller makes everything much easier....

Forum: Main CFD Forum July 29, 2011, 14:44

Replies: 29 Truck cfd analysis Views: 5,469 Posted By Andrew.Coughtrie it will depend on the software as to how you do... it will depend on the software as to how you do it, i use Ansys DesignModeller which is built in to Ansys Workbench. With that is it easy as it has been designed to do it. You just create and...

Forum: Main CFD Forum July 28, 2011, 06:09

Replies: 29 Truck cfd analysis Views: 5,469 Posted By Andrew.Coughtrie Yes in CFD you only need to create the fluid... Yes in CFD you only need to create the fluid domain, so although you have your "plate" you would create a big box around it representing the fluid and subtract the "plate" from it leaving a hole in...

Forum: Main CFD Forum July 27, 2011, 15:11

Replies: 29 Truck cfd analysis Views: 5,469 Posted By Andrew.Coughtrie The choice you make on which software to use... The choice you make on which software to use depends on what you want to do. As you appear to have never done any CFD analysis before i'd say the differences are likely to mean very little to you....

Forum: Main CFD Forum July 27, 2011, 11:27

Replies: 29 Truck cfd analysis Views: 5,469 Posted By Andrew.Coughtrie What do you have access to in regards to... What do you have access to in regards to software? If you have work bench with designmodeller and ansys meshing then I would use those for such a simple geometry. They aren't too hard to get the hang...

Forum: Main CFD Forum July 24, 2011, 17:08

Replies: 29 Truck cfd analysis Views: 5,469 Posted By Andrew.Coughtrie Before you start in on any geometry you should... Before you start in on any geometry you should also work out exactly what you want to find, what situation you're modelling and all boundary data, properties and expected flow characteristics you...

Showing results 1 to 10 of 10

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