Development of an efficient aerodynamic shape optimization framework. (English) Zbl 1168.76046

Summary: Although many efforts have been made to develop an aerodynamic shape optimization (ASO) framework, iterative grid generation for complex configurations within the optimization loop has still been a critical barrier. In this paper, an efficient ASO framework is developed by integrating a parametric grid generator, an optimization toolkit, and a flow solver. A geometry-grid template toolkit is developed to address the need to produce a large number of grids in a timely manner for the parametric design study. We use an object-oriented optimization toolkit that allows a flexible and extensible interfacing with user-specific codes. An in-house full Navier-Stokes flow solver is developed and used in the framework. Code integration is achieved using a black-box interface with script files. Two ASO applications and their optimum solutions are presented to demonstrate the success of this framework.


76N25 Flow control and optimization for compressible fluids and gas dynamics
76M12 Finite volume methods applied to problems in fluid mechanics


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