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高超声速进气道的优化设计对于改善进气道的性能,进而提高发动机整体飞行效率具有重要意义。利用FLUENT/MATLAB协同仿真技术,通过CFD对进气道模型进行高维分析,结合多机并行运算发挥遗传算法全局寻优的能力,提出了一种基于遗传算法和CFD仿真的高效、高精度的高超声速进气道自动优化设计方法,试图构建一种高超声速进气道自动优化设计的快速原型仿真平台。通过对三楔面定收缩比进气道的多目标优化算例,初步验证了此方法的可行性与高效性,为开展多变量多目标的高超声速进气道优化设计创造了良好的条件。
The optimal design of hypersonic air intake is of great significance to improve the performance of the air intake and further improve the overall flight efficiency of the engine. Using FLUENT / MATLAB co-simulation technology, through CFD high-dimensional analysis of the inlet model, combined with the ability of multi-machine parallel computing to optimize the global optimization of genetic algorithm, a high-efficiency, high-precision based on genetic algorithm and CFD simulation Hypersonic air intake automatic optimization design method, trying to build a hypersonic air inlet automatic optimization design rapid prototyping platform. The feasibility and efficiency of this method are verified through multi-objective optimization of the inlet and outlet of the three-wedge surface. The results show that this method is feasible and efficient and has created good conditions for the optimization design of the multi-variable and multi-objective hypersonic inlet.