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SIMULATION OF HYDRODYNAMIC RAM OF AIRCRAFT FUEL TANK BY BALLISTIC PENETRATION AND DETONATION

JONG H. KIM

Airframe Structural Team, Agency for Defense Development, Daejeon, 305-600, Korea

Senior Engineer, Yuseong P.O. Box 35-7, 7-2.

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and

SEUNG M. JUN

Airframe Structural Team, Agency for Defense Development, Daejeon, 305-600, Korea

Team Lead, Principal Engineer, Yuseong P.O. Box 35-7, 7-2.

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https://doi.org/10.1142/S021797920804702XCited by:1 (Source: Crossref)

Abstract

Airframe survivability and hydrodynamic ram effect of aircraft are investigated. Penetration and internal detonation of a simple tank and ICW(Intermediate Complexity Wing) are simulated by nonlinear explicit calculation. Structural rupture and fluid burst are analytically realized using general coupling of FSI(Fluid-Structure Interaction) and adaptive master-slave contact. Besides, multi-material Eulerian solver and porosity algorithm are employed to model explosive inside fuel and tank bays which are defined in multi-coupling surfaces. Structure and fluid results are animated on the same viewport for enhanced visualization.

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