The study of separation dynamics of a missile from a fighter aircraft is a prime requirement to ensure the safety of the aircraft before flight testing the missile. An integrated store-separation-dynamics suite has been developed and applied to study the separation of an air-to-air missile from a fighter aircraft. The suite consists of a preprocessor to generate connectivity using overlapped unstructured grids, a three-dimensional grid-free Euler solver to obtain aerodynamic forces and moments on the missile and a six-degrees-of-freedom solver to integrate the equations of motion. A quasi-steady approach has been used to simulate the separation dynamic of rail-launched missile. The motion of the missile guided by the rail launcher has been modeled using constrained-force method and implemented in the six-degrees-of-freedom code. The surface transpiration boundary condition has been incorporated in the Euler solver to mimic the aerodynamic damping and the relative motion of the missile with respect to the aircraft. The store-separation-dynamics suite has been applied to obtain the trajectory of the missile at various aircraft launch-envelope conditions.
Separation Dynamics of Air-to-Air Missile Using a Grid-Free Euler Solver
Journal of Aircraft ; 50 , 3 ; 725-731
2013-03-07
7 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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