| More time used to numerically simulate three-dimension blade flow fields, and more design variables used to fix blade shape, restrict the application of Automatic Design Optimization of Compressor blades in three-dimensional blade design. There are two ways that will be effective. One way is improving optimization algorithm by all kinds of skills to accelerate convergence. The other way is introducing parallel computing. Generally, to nonlinear problem, gradient-based method is faster than simple method, and may improve efficiency due to using conjugate variables to calculate object function value. While Euler equation method is faster than Navier-Stokes equation method, and may shorten the time of optimal design of compressor blade. According to that two ideas, the following aspects is spread: 1.Learn program of optimal design of compressor blade, summarize the current actuality of this field, and analyze the meaning of this dissertation. 2.Gradient-based method is applied to Automatic Design Optimization of Compressor blades, so that can shorten the time of optimal design of compressor blade. 3.Two method: d-object function and Euler equation method, loss-object function and Navier-Stokes equation method, are compared, so that the method can be obtained, which can shortened the time of calculating flow field and then shorten the time of optimal design of compressor blade. 4.To show optimization process and be convenient for input and output, simple interface of Automatic Design Optimization of Compressor blades are designed by Visual C++, so that make the program acceptably.
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