Novel Reduced Order in Time Models for Problems in Nonlinear Aeroelasticity
Research is proposed for the development and implementation of state of the art, reduced order models for problems in
nonlinear aeroelasticity. Highly efficient and accurate aeroelastic simulation tools will be constructed based upon the
mathematical formalism of optimal prediction theory and a novel implementation of a filtered harmonic balance solution
methodology. The implications of the proposed work include orders of magnitude reduction in computational time, with minimal
loss of accuracy, for time periodic problems in nonlinear aeroelasticity. The application of the proposed innovations spans the
range of flight, from high-speed transport vehicles, to small-scale, flapping Micro-Air vehicles. Anticipated results include 1) the
implementation of the proposed reduced order methodology into both a standard grid-based aeroelastic tool and a material
point method monolithic aeroelastic solver for the production of technology ready, multi-flow regime aeroelastic simulation
tools 2) application of the proposed work to large-scale simulation and comparison with experiment and "full-order" aeroelastic
simulations and 3) advancement of the state of knowledge for nonlinear problems in aeroelasticity in both the subsonic, low
Reynolds number regime and transonic high Reynolds number regime.
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Advanced Dynamics, Inc.
1500 Bull Lea Road, Suite 203 Lexington, KY 40511
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