Ansys Learning Forum Forums Discuss Simulation Fluids What limit the speed of simulation in Fluent? Reply To: What limit the speed of simulation in Fluent?

SRP
Ansys Employee

Hi,

The main limit to RAM use is the size of the model. Fluent will use what it needs, 2-4GB per Million cells. So, if you only need 16GB then even though the machine can have 32Gb o 64GB and you'll not see any speed up.