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Old   October 11, 2010, 15:45
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Hi all,

My company is looking to buy a license for CFD.We need to analyse air flow path for HVAC purposes.Which software would be a best fit for this purpose.Please let me know
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Old   October 12, 2010, 09:15
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If you don't have any advance requirements e.g., multi-phase, why such a narrow focus on ANSYS or Star CMM+?

For general HVAC applications you can select from virtually any CFD package with various price points and levels of usability. Dependent on the CAD package you are using you might have a CFD tool already bundled in.

Full Disclosure:
I'm biased because I represent Symscape the developer of Caedium.
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Old   October 12, 2010, 11:28
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Thank you so much for your reply,Most of the flow path is very complex and would definetly require a much sophesticated tool to analyse.So does anyone know which one is better?
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Old   October 12, 2010, 13:00
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There are benefits for both ANSYS and Star-CCM+. Sophisticated geometry and meshing is not a problem for either software package. One of the primary distinctions is the performance and accuracy of the flow solver. At present, industry folks prefer the reliability and robustness of the ANSYS fluid dynamics solvers over Star-CCM+.
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Old   October 13, 2010, 09:53
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Thank you so much for your reply
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Old   October 14, 2010, 12:51
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Although you do put it in your username, isn't PADT an ANSYS distributor?

Might that not have some bearing on your viewpoint?
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Old   October 14, 2010, 15:09
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PADT is an ANSYS Channel Partner, as you point out. Admittedly, there may be some bias on my part. However, my remarks represent the outcome of interaction with customers/clients in industry that try to answer the question posed at the top of the thread.
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Old   October 18, 2010, 22:23
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Sweety.. same sentiment as everyone here, but I will spare you my bias.

I'm sure you are using a variety of ways to determine the tool of choice. You have to look at the whole picture. How does the tool handle the geometry that you have, how robust and user friendly is the meshing based on YOUR experience with it as you are the one (or perhaps a colleague) are the ones driving it.

At the end of the day, its the entire picture, from setup, to meshing, to solving to reporting data (HVAC specific maybe) that you want. Not to mention the support that you receive. Weigh all of these before making a decision.

Good luck!

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