Efficient Computational Methods for Aeroelastic Si
at ORAU Workforce Solutions

Date Posted: 4/23/2019

Opportunity Description

Efficient Computational Methods for Aeroelastic Simulations of Flapping Wing Advisor: Singh, Rajneesh [Click Here To Join]; 410.278.4022) CFD computations of aerodynamic forces on flapping wings are required for design optimization of Mico Aerial Vehicles (MAV) relying on flapping wings for propulsion. Modeling of moving geometry, flexibility of the wing, fluid-structure interactions and viscous effects make computations technically challenging tasks. Overset structured mesh, unstructured mesh, grid-less methods, and Cartesian mesh methods are some the strategies used for CFD modeling of flapping wings. All these methods have their pros and cons. For example, structured meshes are difficult to generate for complex shapes and the Cartesian meshes are computationally expensive for viscous flows with varying mesh refinement requirements. Primary goal of the project is to develop efficient CFD simulation methods for multi-disciplinary design optimization of flapping wing topology. Hybrid method offers a good alternative to compute flow for such problems. Hybrid method based on the Cartesian grid in the interior, and body conforming gridless methods immediately next to the boundary can be used. Cartesian mesh provides ease of mesh generation and efficiency away from the surface while the gridless approach allows for accurate implementation of the boundary conditions. This project will also involve coupling of the CFD simulation method with an appropriate structural solver to enable aeroelastic simulations.

Opportunity Snapshot

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