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An adjoint-based design methodology for CFD problems
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DOI：10.1108/09615530410544292.png)
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摘要
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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.
Keyword:
finite element analysis
optimization techniques
differential equations
compressible flow
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