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NPTEL

Blast and Impact Resistant Structures

NPTEL via Swayam

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Overview

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ABOUT THE COURSE:The course "Blast and Impact Resistant Structures" offers an in-depth exploration of the behavior of structures subjected to extreme events such as blasts and impacts. Students will gain an understanding of key concepts such as quasi-static approximations, stress waves, and energy-absorbing systems. The course covers the dynamic response of structural elements under blast loading, with a focus on single-degree-of-freedom (SDOF) and multi-degree-of-freedom (MDOF) analysis methods. Additionally, students will learn about pressure-impulse diagrams, dynamic buckling, and failure mechanisms, equipping them with the skills to design structures capable of withstanding severe dynamic loads.INTENDED AUDIENCE: Btech, Mtech, PhD studentsPREREQUISITES: Structural DynamicsINDUSTRY SUPPORT: Larsen and Toubro

Syllabus

Week 1:Introduction and General Considerations to Extreme Events, Quasi-static approximation
Week 2:Elementary impact and stress wave considerations

Week 3:Energy-absorbing systems
Week 4:Structural elements subject to impact
Week 5:Dynamic properties of ductile materials
Week 6:
  • Blast effects and design requirements
  • Loading on structures caused by external air blasts-A
Week 7:
  • Loading on structures caused by external air blasts-B
  • Pressure-impulse diagrams and their applications
  • Dynamic response and single-degree-of-freedom (SDOF) analysis methods-A
Week 8:
  • Dynamic response and single-degree-of-freedom (SDOF) analysis methods-B
  • Analysis and design of elements under blast loading
Week 9:
  • Failure mechanism of structural elements
  • Dynamic buckling of structures
Week 10:Two-degree-of-freedom (2DOF) analysis methods
Week 11:MDOF methods for analysis of Structural elements subject to impact
Week 12:MDOF methods for analysis of Structural elements subject to blast

Taught by

Prof.Hrishikesh Sharma

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