This course covers the comprehensive understanding of stability analysis and critical load determination in mechanical models. It introduces four basic approaches for estimating the critical load: the equilibrium approach, the energy approach, the imperfection approach, and the dynamic approach. The course further explores the concept of large deflection theory and small deflection theory, providing a detailed understanding of how to predict critical load for perfect geometry from an imperfect one. It also explains the calculation of total potential energy in deformed configurations, considering both strain energy stored in springs and external work done. The course concludes with the determination of mode shapes corresponding to different loads and the effect of eccentricity on critical load.
This course has been developed by Prof. Sarat Kumar Panda from IIT-ISM for NPTEL. It is now accessible through Ansys Innovation Space courtesy of the partnership between Ansys and NPTEL, under the CC BY-SA license. For more details, visit https://nptel.ac.in/courses/105105217.
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Cost: FREE
- Course Duration: 4-6 HOURS
- Skill Level: Intermediate
- Skills Gained: Large Deflection Theory, One and Two DOF Stability Models
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