Current Revision posted to RAM | STAAD Wiki by Seth Guthrie on 2/15/2018 4:20:46 PM
| Applies To | |||
| Product(s): | STAAD.Pro | ||
| Version(s): | All | ||
| Area: | Analysis; Instability and Zero Stiffness |
- Warning: More Than 12 DOF With Zero Stiffness
- Warning when using the command: list-of-joints Elastic mat Dir YONLY SUB 10000
- I have analyzed a structure and find that there are instability messages in the .anl (output) file
- If there are instability messages, does it mean my analysis results may be unsatisfactory?
- If there are instability messages, are there any simple checks to verify whether my analysis results are satisfactory?
- What does a zero stiffness warning message in the STAAD output file mean?
- Spurious Degrees of Freedom
See Also
RAM Instability In Finite Element Analysis
Structural Product TechNotes And FAQs
Tags: analysis, FAQs, SELECTservices, STAADPro, Instability, zero stiffness