Grid Network Generation with Adaptive Boundary Points for Projectiles at Transonic Speed
ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD
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The existing grid generation package GRIDGEN for projectile aerodynamics problems has been modified for an additional option to provide grid systems with adaptive boundary grid points. An improvement on hyperbolic grid generation is also made for more accurate finite-difference computations. The modifications made to GRIDGEN have been discussed and documented. The resulting package of computer programs named ADAPTGD has been tested successfully for generating a number of two-dimensional grid networks for a projectile.
- Ammunition and Explosives
- Fluid Mechanics