Installing a local copy that "calls home" to the university license server. 2. AspenTech Academy
(RadFrac is the "big boss" of distillation simulation) Heat Exchangers
The Student Version is typically bundled within the broader educational package. It is designed to bridge the gap between theoretical textbook knowledge and industrial application, allowing students to build flowsheets, simulate unit operations, and analyze thermodynamic properties.
| Error Message | Cause | Fix | |---------------|-------|-----| | "Component limit exceeded" | >25 chemicals | Reduce number – use pseudo-components or simplify | | "Stream limit exceeded" | >50 streams | Recycle fewer streams, merge utilities | | "Block limit exceeded" | >25 unit ops | Combine operations (e.g., one column instead of two) | | "License not found" | Installation corrupted | Re-run installer as Admin; disable antivirus temporarily | | "Database connection failed" | Missing SQL Express | Reinstall with "Full" option, not "Minimal" |
Reboot your computer. Open Aspen Plus. If everything worked, the splash screen will say or "Student" in the corner.

