Aero-elastic Analysis of Sensor Craft Configurations using AVUS and Nastran
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The presented abstract investigates initial results in the aero-elastic analysis of realistic Sensor Craft configurations. The approach couples the AFRL flow solver AVUS to NASTRAN using a commercially available Multi-DIsciplinary Computing Environment MDICE and a Modal Solver, LMMS which takes its mode shapes from NASTRAN. The purpose of this work is to investigate nonlinear aero-elastic effects of Sensor Craft configurations with the highest fidelity possible. Specifically, we investigate the nonlinear buckling potential in the joined wing configuration using nonlinear static aero-elastic analysis, and dynamic analysis with rigid body degrees of freedom and closed loop control for the flying wing configuration. This paper outlines the results that have been calculated using the previously mentioned analysis tools.