Turbomachinery aerodynamic performance-blade load optimization method based on machine learning
A turbomachinery and machine learning technology, applied in the direction of neural learning methods, based on specific mathematical models, design optimization/simulation, etc., can solve the problems of difficult access to turbomachinery flow field information, increased calculation costs and time-consuming, and poor physical interpretation and other issues, to achieve the effect of no need for manual intervention, reduce cost and time-consuming, and reduce design cycle
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[0061] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0062] see figure 1 , the machine learning-based turbomachinery aerodynamic performance-blade load optimization method provided by the present invention comprises the following steps:
[0063]S1: Determine the working fluid of the turbomachinery, parameterize the turbomachinery to obtain the input variable x and the optimization target y=f(x) of the optimization process, and determine the empirical design space of the input variable x (that is, the value range and constraint relationship) . Among them, the input variable x includes the airflow angle α along the blade, the meridian surface shape z, and the blade thickness d along the distribution of turbomachinery geometric parameters; the optimization target y is efficiency, power, blade load or any aerodynamic parameter.
[0064] refer to image 3 , using the fourth-order Bezier c...
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