Natsuki Tsushima, Hitoshi Arizono, Masato Tamayama, Tomohiro Yokozeki, Weihua Su
DOI Number: N/A
Conference number: IFASD-2019-091
In this paper, a comprehensive multi-fidelity aeroelastic framework for highly flexible wings is presented, which involves aerodynamic models with different fidelities. A corotational approach with shell finite elements is used to model the geometrical nonlinearity of flexible wings. An unsteady vortex-lattice aerodynamic method and a fast unstructured CFD code are coupled with the structural model subject to the large deformations, providing different fidelity solutions. The developed geometrically nonlinear aeroelastic solutions with different fidelities are compared to evaluate their accuracies and computational efficiencies.