Analysis and design optimization of turbines (ADOpT)

该研究项目与Andritz Hydro Ltd.合作，旨在通过模拟和优化方法的进步，开发最先进的水轮机分析和设计优化计算方法(采用项目)。建议的工作分为两个主要方面，一个是形状优化设计，另一个是定常和非定常计算流体动力学(CFD)分析。这两个主要研究主题得到了关于混合网格生成和适应的第三个互补主题的支持。该项目将动员一个由几名研究生和研究专业人员组成的团队，致力于所有与预测和改善广泛运行条件下的水轮机行为直接相关的项目。Andritz的研究人员、学生和工程师之间的密切互动将允许通过实验室实验验证模拟，并通过由Andritz和Polytech联合开展的案例研究来设计方法。 作为采用项目的一部分，将对水轮机的三个主要部件--配水器、转轮和尾水管进行设计和分析。具体的研究主题包括设计空间探索方法的开发，在多保真形状优化框架中包含高保真雷诺平均纳维斯托克斯(RANS)模拟，以及对各种非设计运行条件(如部分负荷条件、甩负荷和机器启动)的非定常RAN模拟的验证。预计该项目的具体成果包括开发用于分析和设计的先进数值方法，将它们纳入用于CFD的OpenFOAM和用于优化的Nomad等开源软件，以及将它们转移和整合到Andritz的设计工具中。

This research project, in partnership with Andritz Hydro Ltd., aims to develop state of the art computational approaches for the Analysis and Design Optimization of hydraulic Turbines (the ADOpT project), through advancements in simulation and optimization methodologies. The proposed work is divided into two major poles, one that focuses on optimal shape design and the other on steady and unsteady computational fluid dynamics (CFD) analysis. These two principal research themes are supported by a third, complementary theme, on hybrid mesh generation and adaptation. The project will mobilize a team comprising several graduate students and research professionals, working on projects all directly related to the prediction and improvement of hydraulic turbine behavior over a wide range of operating conditions. Close interaction between researchers, students and engineers from Andritz will allow validating simulations through laboratory experiments, and design methodologies through case studies, carried out jointly by Andritz and Polytechnique. As part of the ADOpT project, design and analysis aspects of the distributor, the runner and the draft-tube, the three major parts of a hydraulic turbine, will be addressed. Specific research themes include the development of design space exploration methods, the inclusion of high-fidelity Reynolds-averaged Navier-Stokes (RANS) simulations in a multi-fidelity shape optimization framework, and the validation of unsteady RANS simulations for various off-design operating conditions such as part-load condition, load-rejection and machine start-up. Concrete results expected from this project include the development of advanced numerical methods both for analysis and for design, their inclusion into open-source software such as OpenFOAM for CFD and Nomad for optimization, and their transfer and integration in Andritz' design tools.