Computation of blast wave-obstacle interactions
Abstract
Numerical simulations of the interaction of a planar blast wave with various obstacles are presented. These obstacles are either ground structures or vehicles flying in the atmosphere. For a structure on the ground, the blast wave encounter is side-on, while for the flying vehicles the encounter is either head-on or oblique. Second-order accurate, finite-difference, and shock-capturing procedures are employed to solve the two-dimensional, axisymmetric, and three-dimensional unsteady Euler equations. Results are presented for the flow field consisting of blast wave striking obstacles that are at rest, moving subsonically and moving supersonically. Comparison of the numerical results with experimental data for a configuration at rest substantiates the validity of this approach and its potential as a flow analysis tool.
- Publication:
-
AIAA, Aerospace Sciences Meeting
- Pub Date:
- January 1982
- Bibcode:
- 1982aiaa.meetT....C
- Keywords:
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- Computational Fluid Dynamics;
- Computerized Simulation;
- Detonation Waves;
- Flow Distribution;
- Shock Wave Interaction;
- Blast Loads;
- Euler Equations Of Motion;
- Explosions;
- Finite Difference Theory;
- Three Dimensional Flow;
- Two Dimensional Flow;
- Fluid Mechanics and Heat Transfer