Aerodynamic forces and moments are critical design parameters used in the design of shell and bodies flying in relative motion to each other. The advancement of computational fluid dynamics (CFD) has had a major impact on projectile design and development. Improved computer technology and state-of-the-art numerical procedures enable solutions to complex, three dimensional problems associated with projectile and missile aerodynamics. The research effort has focused on the development and application of a versatile overset grid numerical technique to solve multibody aerodynamic problems. This numerical capability has been used successfully to determine the aerodynamics on a multibody problem of brilliant antiarmor (BAT) submunition dispersal from the Army tactical missile system (TACMS).
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