Development of efficient modelling strategy for air and contained blast loading
Internal blast loading occurs in structure, when detonation of the explosive takes place inside. R&D efforts on computation of the blast pressures due to such loading are not adequate and therefore, the behaviour of structures due to shock loading is not well understood. A procedure was developed to generate pressure time histories for finite elements due to internal blast considering multiple reflections of blast loads and gas pressure loading. This facilitates assessment of damage of the structures due to blast. The procedure was used for damage assessment caused by impact and blast due to impact of Brahmos missile on a warship.
Internal Blast loading
Response of a ship due to internal blast
Derivation of equivalent stress-strain curve
- Efficient modelling strategy useful in finite element analysis
- Formulation of a simplified approach for blast analysis of laced reinforced concrete (LRC) structures