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Path: Home » Indice Pubblicazioni » Convegni ATI - Accesso riservato soci CTI » CA - 57 - Pisa 2002 » Ottimizzazione di problemi fluidodina...

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Ottimizzazione di problemi fluidodinamici bidimensionali utilizzando maglie cartesiane

Pubblicazione


Autore: A. Dadone

Collana: CA - 57 - Pisa 2002

Note:
An efficient formulation for the robust design optimization of compressible fluid flow problems on Cartesian grids is presented. The methodology has four essential ingredients: I)a highly accurate flow solver on Cartesian grids, II)robust and efficient design sensitivities from a discrete adjoint formulation based on a dissipative flow solver, III) progressive optimization, whereby a sequence of operations, containing a partially converged flow solution, followed by an adjoint solution followed by an optimization step is performed, IV) the use of progressively finer grids. The methodology is shown to be accurate, robust and highly efficient, with converged design optimizations produced in no more than the amount of computational work to perfom one flow analysis.


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