Hypersonic Arbitrary-Body Aerodynamic Computer Program MARK III Version. Volume II. Program Formulation and Listings

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Hypersonic Arbitrary-Body Aerodynamic Computer Program MARK III Version. Volume II. Program Formulation and Listings

A. E. Gentry / D. N. Smyth

This report describes a digital computer program system that is capable of calculating the hypersonic aerodynamic characteristics of complex three-dimensional shapes. The outstanding features of this program are its flexibility in covering a very wide variety of problems and the multitude of program options available. The program is a combination of techniques and capabilities necessary in performing a complete aerodynamic analysis of hypersonic shapes. These include vehicle geometry generation and description, visual graphics necessary in handling geometry data and in preparing plots of the final aerodynamic data, aerodynamic calculations of surface pressures and skin friction forces, and the integration of these forces to give all aerodynamic coefficients and stability derivatives. The program has been used to study a wide variety of hypersonic vehicle shapes including hypersonic cruise aircraft, air-breathing booster aircraft, blunt lifting reentry bodies, high L/D reentry vehicles, blunt reentry capsules, rocket boosters, reentry warheads and satellite shapes. (Author)