[ars511]

Hello!
I'm looking for a desktop PC with sufficient hardware capabilities for highly sophisticated CFD problems analysis (more than 30 M cells, complex physics like combustion, multi-phase flows etc.) . What do u recommend for selecting the appropriate CPU, RAM, GPU, motherboard,HDD and ... ?
Thanks.

[flotus1]

Budget?
Number of parallel licenses?
Industry or academia?

[ars511]

Originally Posted by flotus1

Budget?
Number of parallel licenses?
Industry or academia?

I'm looking for the most cost-efficient system, however I'd rather that the overall cost doesn't exceed over 10000$ .
we're going to use it for industrial purposes.

[flotus1]

I'll have to insist on knowing how many cores you can use due to licensing constraints.

[ars511]

Originally Posted by flotus1

I'll have to insist on knowing how many cores you can use due to licensing constraints.

up to 32 ,(not sure!)

[flotus1]

What you need is a dual-socket workstation, I.e. 2 CPUs.
The first choice would probably be AMD Epyc 7371, coupled with 16x16GB DDR4-2666 dual-rank. You can ask around with your preferred vendors, they probably don't offer this option. Epyc 7302 with DDR4-3200 would also be a viable option, but I doubt anyone sells these yet in a workstation.
In that case you could settle for any fast 16+ core CPU from Intel. For example Xeon Gold 6240 or 6242. Along with 12x16GB DDR4-2933, again dual-rank.

For the GPU you don't need to go crazy expensive. A Quadro P2200 or similar should be enough. There is not too much room in the budget anyway.
Storage: A fast NVMe SSD with ~1TB of storage is definitely nice to have and should not break the bank these days. You know best how much storage on spinning disks you need apart from that.

Since you probably won't assemble the thing yourself, I won't go into more detail concerning motherboards, cases, PSUs and the likes. Dell, HP and other vendors already know what they are doing.

[ars511]

Originally Posted by flotus1

What you need is a dual-socket workstation, I.e. 2 CPUs.
The first choice would probably be AMD Epyc 7371, coupled with 16x16GB DDR4-2666 dual-rank. You can ask around with your preferred vendors, they probably don't offer this option. Epyc 7302 with DDR4-3200 would also be a viable option, but I doubt anyone sells these yet in a workstation.
In that case you could settle for any fast 16+ core CPU from Intel. For example Xeon Gold 6240 or 6242. Along with 12x16GB DDR4-2933, again dual-rank.

For the GPU you don't need to go crazy expensive. A Quadro P2200 or similar should be enough. There is not too much room in the budget anyway.
Storage: A fast NVMe SSD with ~1TB of storage is definitely nice to have and should not break the bank these days. You know best how much storage on spinning disks you need apart from that.

Since you probably won't assemble the thing yourself, I won't go into more detail concerning motherboards, cases, PSUs and the likes. Dell, HP and other vendors already know what they are doing.

Thank you very much. It was really helpful!