A complete CFD design methodology is presented. The main components of this methodology are a general edge‐based compressible/incompressible flow solver; a continuous adjoint formulation for the gradient computations; a steepest descent technique for the change of design variables; evaluation of the gradient of the discretized flow equations with respect to mesh by finite differences; a CAD‐free pseudo‐shell surface parametrization, allowing every point on the surface to be optimized to be used as a design parameter; and a level type scheme for the movement of the interior points. Several examples are included to demonstrate the methodology developed.
International Journal of Numerical Methods for Heat & Fluid Flow – Emerald Publishing
Published: Sep 1, 2004
Keywords: Finite element analysis; Optimization techniques; Differential equations; Compressible flow
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