Path optimization of dual airfoils flapping in a biplane configuration with RSM in a parallel computing environment

Date

2011-01-01

Author

Kaya, Mustafa
Tuncer, İsmail Hakkı

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The path of dual airfoils in a biplane configuration undergoing a combined, non-sinusoidal pitching and plunging motion is optimized for maximum thrust and/or propulsive efficiency. The non-sinusoidal, periodic flapping motion is described using Non-Uniform Rational B-Splines (NURBS). The Response Surface Methodology (RSM) is employed for the optimization of NURBS parameters in a parallel computing environment. A gradient based optimization algorithm, steepest ascent method is started from the optimum point of response surfaces. Unsteady, low speed laminar flows are also computed in parallel using a Navier-Stokes solver based on domain decomposition. It is shown that the parallel optimization process with RSM suggests a quick and accurate initial guess for a gradient based optimization algorithm. © 2010 Springer.

Subject Keywords

Response surface methodology, Path optimization, Wall clock time, Steep ascent, Maximum thrust

URI

https://hdl.handle.net/11511/56401

Collections

Department of Aerospace Engineering, Conference / Seminar