Ansys Your Product License Has Numerical Problem Size Limits Verified Jun 2026

128,000 nodes/elements. (Note: Older versions were limited to 32k). Fluid Dynamics (Fluent):

This notification is more than just an annoyance—it is a hard stop. It indicates that the scale of the simulation you are attempting to run exceeds the allowances of the specific Ansys license token you have checked out. 128,000 nodes/elements

ansysXX -dis -b -m 4 -i input.dat -o output.out 128,000 nodes/elements