Ansys Your Product License Has Numerical Problem Size Limits -

A: Best practices for managing large-scale simulations include planning ahead, optimizing your model, using efficient meshing techniques, leveraging parallel processing, and monitoring performance.

ERROR: Your product license has numerical problem size limits. The current model exceeds the maximum allowed number of nodes/elements. Action: Reduce model size or obtain a higher-tier license.

If you are a simulation engineer, a graduate student, or a researcher working with Ansys, you have likely encountered a dreaded pop-up or console output message: Ansys Your Product License Has Numerical Problem Size Limits

During solving or meshing, Ansys halts with the error:

This comprehensive guide explains exactly what this warning means, why it appears, the specific limits for different license levels, and—most importantly—how to fix it. Action: Reduce model size or obtain a higher-tier license

The full warning often includes a hint. For example:

The message is a hard constraint standard in student or academic versions of Ansys. This error appears when the total number of nodes, elements, or cells in your simulation exceeds the threshold allowed by your specific license . Typical License Limits (2024–2025 Versions) For example: The message is a hard constraint

If your institution has multiple license types, modify your license preference file.