Abstract
The purpose of this paper is to validate an unstructured 3D Euler flow solver, USER3D, against the experimental data and to compare it with a classical, structured, Euler solver, FLU3M of ONERA, on two different missile geometries at a Mach number of 2 and at various angles of attack up to 20 ° . The first geometry is a conventional missile with an ogive nose, a cylindrical body and four straight tail fins. The second geometry is a unconventional missile with a lenticular body and no tail fins. The present results are found to be in good agreement with these available results and the discrepancies observed between them are explained in detail. The present unstructured Euler code has proved to be accurate, fast and reliable for the aerodynamic design of conventional and unconventional missiles.
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