The invention discloses a wing surface pressure reconstruction method, electronic equipment and a storage medium, and belongs to the technical field of wind tunnel tests. The problems of high efficiency and accuracy of a wind tunnel pressure measurement test are solved. The method comprises the following steps: acquiring wing surface original pressure data for preprocessing through a three-dimensional wing wind tunnel pressure measurement test and three-dimensional wing model numerical simulation, and generating a deep neural network data set for wing surface pressure reconstruction; a constructed wing surface pressure reconstruction deep neural network model is used, data sets of two sources of a wind tunnel test and numerical simulation are fused through modification of a loss function, model hyper-parameters are optimized by using a particle swarm optimization algorithm, and an optimized deep neural network model is obtained for training test; the method is used for a model wind tunnel pressure measurement test, holographic pressure distribution on the surface of a wing is reconstructed, aerodynamic load distribution data of non-measurement points on the surface of the wing is predicted, and the predicted holographic pressure distribution data is evaluated and verified. The method can be used for conventional pressure measurement tests of complex aircrafts.
一种机翼表面压力重构方法、电子设备及存储介质,属于风洞试验技术领域。为解决风洞测压试验的高效和准确的问题。本发明通过三维机翼风洞测压试验和三维机翼模型数值仿真采集机翼表面原始压力数据进行预处理,生成用于机翼表面压力重构的深度神经网络数据集;构建的机翼表面压力重构深度神经网络模型,通过损失函数的修改融合风洞试验和数值仿真两种来源的数据集,采用粒子群优化算法对模型超参数进行优化得到优化后深度神经网络模型进行训练测试;将方法用于模型风洞测压试验,重构机翼表面的全息压力分布,预测机翼表面非测量点的气动载荷分布数据,并对预测的全息压力分布数据进行评估验证。本发明可用于复杂飞行器的常规测压试验。
Wing surface pressure reconstruction method, electronic equipment and storage medium
一种机翼表面压力重构方法、电子设备及存储介质
2023-07-14
Patent
Elektronische Ressource
Chinesisch
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL |
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