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

This specific error message is a rite of passage for almost every engineering student using the Ansys Student version. It occurs when your simulation mesh—the digital "grid" that breaks your model into tiny pieces for calculation—contains more nodes or elements than the free license allows.

1. Number of Nodes: For structural mechanics (Ansys Mechanical), the primary limiting factor is the number of nodes in your finite element mesh.
2. Number of Cells/Elements: For CFD (Fluent, CFX) and electromagnetics (HFSS, Maxwell), the limit is often based on the total number of mesh cells or elements.
3. Degrees of Freedom (DOFs): A more technical metric, this is roughly equivalent to Number of Nodes × Degrees per node (e.g., 6 for solid elements). High-frequency solvers may cap matrix size instead.

Remember: This warning is a sign of growth. Your simulation fidelity is outgrowing your current license tier—which is exactly the moment to either refine your modeling discipline or invest in greater capacity. Do not fear the message; decode it, solve it, and get back to breakthrough engineering. This specific error message is a rite of

Common limits by license type (examples): Remember: This warning is a sign of growth

• Element limit: 100,000 to 1 million elements, depending on the ANSYS product and license level.
• Node limit: 50,000 to 500,000 nodes, depending on the ANSYS product and license level.
• DOF limit: 100,000 to 1 million DOFs, depending on the ANSYS product and license level.

Part 8: Preventing the Warning in Future Projects

Once you have resolved the immediate issue, adopt these best practices: Element limit : 100

Part 7: Frequently Asked Questions (FAQ)

Q: Is this error a bug? A: No. It is an intentional feature of ANSYS licensing. The word “verified” confirms the system is working as designed.