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- W2314372605 abstract "This paper develops a discrete adjoint formulation for the constrained aerodynamic shape optimization in a multistage turbomachinery environment. The adjoint approach for viscous, internal flow problems and the corresponding adjoint boundary conditions are discussed. To allow for a concurrent rotor/stator optimization and stage coupling a non-reflective adjoint mixing-plane formulation is proposed. A sequential-quadratic programming (SQP) algorithm is utilized to determine an improved airfoil shape based on the objective function gradient provided by the adjoint solution. Optimization within an SQP framework avoids the time-consuming task to determine the weights of the individual constraints by including the constraints directly into the design problem. The functionality of the proposed optimization method is demonstrated by the redesign of a model twodimensional 2.5-stage transonic compressor. The objective is to maximize the isentropic efficiency while constraining the mass flow rate and the total pressure ratio." @default.
- W2314372605 created "2016-06-24" @default.
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- W2314372605 date "2012-01-09" @default.
- W2314372605 modified "2023-09-26" @default.
- W2314372605 title "Constrained Adjoint-Based Aerodynamic Shape Optimization in a Multistage Turbomachinery Environment" @default.
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- W2314372605 doi "https://doi.org/10.2514/6.2012-62" @default.
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