Structural Instability and Zero Stiffness conditions are very common in a model, but if these problems are not rectified, that may lead to incorrect analysis and design result or complete failure of the structure.
In this video, I have discussed how to identify and rectify different instability problem using real life project models. Following is the concerned warning messages --
***WARNING - INSTABILITY AT JOINT 2 DIRECTION = MX
***NOTE - VERY WEAK SPRING ADDED FOR STABILITY
It is very crucial for structural integrity to understand the problem and accordingly rectify the problems - identification and rectification of instability problems will be covered in this video series.
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Seismic Analysis based on ASCE/IBC code - Response Spectrum Method --https://youtu.be/S1KT5wzf-JM
STAAD Advanced Concrete Designer -- https://youtube.com/playlist?list=PLxLi_mmlPeirECO-POnRmxcLB2sEDjzW6
Steel Structure Optimization with STAAD -- https://youtube.com/playlist?list=PLxLi_mmlPeipFQH_YOTTeG9waqeX9CZKN
STAAD.Pro CONNECT Edition Update 8 : What's new -- https://youtu.be/RD8j7PvBURE
