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Applications of a discrete viscous adjoint method for aerodynamic shape optimisation of 3D configurations

机译：离散粘性伴随方法在3D外形气动形状优化中的应用

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Within the next few years, numerical shape optimisation based on high-fidelity methods is likely to play a strategic role in future aircraft design. In this context, suitable tools have to be developed for solving aerodynamic shape optimisation problems, and the adjoint approach-which allows fast and accurate evaluations of the gradients with respect to the design parameters-is proved to be very efficient to eliminate the shock on aircraft wing in transonic flow. However, few applications were presented so far considering other design problems involving 3D viscous flows. This paper describes how the adjoint approach can also help the designer to efficiently reduce the flow separation onset at wing-fuselage intersection and to optimise the slat and flap positions of a 3D high-lift configuration. On all these cases, the optimisations were successfully performed within a limited number of flow evaluations, emphasising the benefit of the adjoint approach in aircraft shape design.
机译：在未来几年内，基于高保真度方法的数字形状优化可能会在未来的飞机设计中发挥战略作用。在这种情况下，必须开发出合适的工具来解决空气动力学形状优化问题，并且伴随方法（可以相对于设计参数快速准确地评估坡度）被证明对消除飞机上的冲击非常有效。翼跨音速流动。但是，到目前为止，考虑到涉及3D粘性流的其他设计问题，几乎没有提出任何应用程序。本文介绍了辅助方法还可以如何帮助设计人员有效地减少机翼与机身交汇处的气流分离，并优化3D高升力配置的板条和襟翼位置。在所有这些情况下，优化都是在有限的流量评估中成功完成的，强调了伴随方法在飞机形状设计中的优势。

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