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Old   January 5, 2012, 05:39
Default Starting a new CFD consulting firm
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Deepak P Nair
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Hi,

We are going to start a CFD consulting center with aim to provide acadamic training and small consultation works to the industrial people using Openfoam and Star CCM+. We are planned to buy 5 systems with following configuration.

Intel core i7 9508M processor
8 GB RAM
1 GB Graphic card
150 HDD

with Linux OS. Is it enough to run a small cases with max. of 2M cells? And should we buy a work station or server ? If so, which is the best and cheap workstation for us?
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Old   January 5, 2012, 15:31
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Sebek
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Hi!

The CPU is OK, the RAM quite good, but today RAM is extremely cheap so I would go for at least 12 or 24 GB (i7 core use Triple channel, so you need 3 or 6 modules).

Is your 150 GB HDD a SSD disc? You won't gain much speed reduction from SSD, better buy more RAM.

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Old   January 9, 2012, 00:46
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Deepak P Nair
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We decided to go with 12 GB RAM. What about the servers? We need to install Star CCM+ in server. Please guide us.
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Old   January 9, 2012, 12:02
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Ryne Whitehill
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Quote:
Originally Posted by Deepu View Post
We decided to go with 12 GB RAM. What about the servers? We need to install Star CCM+ in server. Please guide us.

Ive been told that 4 GB/core on the cluster is good for STAR-CCM+, though 6 GB/core is ideal.
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Old   January 10, 2012, 09:14
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Okay Thanks...
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Old   February 9, 2012, 15:20
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Ryne-I'm curious where you got your memory numbers from. In fact I work at CD-adapco and we recommend 2GB/core as a strict minimum and in fact its a good number. We have thousands of cores world-wide here and virtually all have 2 or 3GB/core. There none with 4 or 6 and we wouldn't recommend that much. Certainly it doesn't hurt, but if you need 6GB/core, you would almost always be better off with 2 cores with 3GB each.
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