Coupling of CFD and CSM Codes for the Study of Projectile Response to Ballistics Environment

The state-of-the-art interior ballistics (IB) code for the Army, ARL-NGEN3, is being used to predict the interior ballistics behavior of next-generation gun charges, which include densely-packed solid propellants. Recently, the results from ARL-NGEN3 code simulations were linked to structural dynami...

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Bibliographic Details
Main Authors: Ray, Stephen E, Newill, James F, Nusca, Michael J, Horst, Albert W
Format: Report
Language:English
Subjects:
Ballistics
CODING
COMBUSTION CHAMBERS
COMPONENT REPORTS
COMPUTATIONAL FLUID DYNAMICS
COUPLING(INTERACTION)
CSM(COMPUTATIONAL STRUCTURAL MECHANICS)
EXPLOSIVE CHARGES
Fluid Mechanics
INTERIOR BALLISTICS
MATHEMATICAL PREDICTION
Mechanics
PRESSURE
PROJECTILES
SIMULATION
SMART WEAPONS
SOLID PROPELLANTS
STRUCTURAL MECHANICS
SYMPOSIA
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Summary:The state-of-the-art interior ballistics (IB) code for the Army, ARL-NGEN3, is being used to predict the interior ballistics behavior of next-generation gun charges, which include densely-packed solid propellants. Recently, the results from ARL-NGEN3 code simulations were linked to structural dynamics codes in order to predict the in-bore behavior of the projectile afterbody. In the current paper results are presented from recent efforts to bring together the capabilities of ARL-NGEN3 and two of the prominent structural mechanics codes, DYNA3D and EPIC. Results from simulations of a test case show the effectiveness of this approach. See also ADM001736, Proceedings of the Army Science Conference (24th) held in Orlando, FL on 29 Nov-2 Dec 2004. Prepared in cooperation with Army High Performance Computing Research Center (AHPCRC). The original document contains color images.