With an outsized range of computing choices out there nowadays, it will be quite difficult to pick a system which will deliver optimum performance and capability at an inexpensive value. rather than recommending the minimum computing specifications to run Simulation CFD, we tend to area unit listing the specifications of the computers utilized by the appliance Engineers at Autodesk.
Dell T5610 Workstation:
Model: Dell T5610 with Intel Dual Xeon E5-2650 V2 (8 Core HT, 2.6GHz Turbo)
RAM: +32GB DDr3
Video: Nvidia Quadro 4000
Hard Drive: 256GB SSD + 1TB HDD
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The solver will require about 2 GB of RAM per 1 million elements. Anything more will not make the analysis go faster. It simply will not be used by Sim CFD. If the available RAM is less than the model requirement the solver has to resort to file swapping which will significantly slow down the analysis. More RAM is that case is recommended.
The amount of Ram should be based on current and future model size.
CPU clock speed has a big influence. The faster the clock speed the shorter the runtimes.
It is important, however, to know that the Sim CFD solver uses CPUs (or cores) in a 2n order. This means 2, 4, 8, 16, 32, etc… For instance, if a machine has 2 8-core CPUs (i.e. 16 cores) the solver will use all of them. If it has, says, 20 cores the solver will only use 16. So it’s better to have 16 3.0 GHz cores than 20 2.6 or 2.8 GHz cores.
There is no difference between one 8-core CPU and two 4-core CPUs. Generally, the performance/value marker starts to end around 16 cores with the 2014 solver. There are still some performance gains with 32 cores, but not much for the cost.
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