Computer simulation of vortex flows around a body of revolution at high angles of attack and low speed

Abstract

The multiple line-vortex model (MLVM) is used to numerically simulate the symmetric and asymmetric vortex flows around a body of revolution at high angles of attack and low speed. With given symmetric or asymmetric separation lines on the body surface, vortex strengths and free vortex locations are solved by an efficient iteration method presented in this paper. The first converged solution at an angle of attack as high as 60° is obtained using the method. The calculated results of aerodynamic loads on a tangent-ogive forebody compare favorably with experimental data.