翼展方向的 的英文怎麼說
中文拼音 [yìzhǎnfāngxiàngde]
翼展方向的
英文
spanwise-
This article describes the development process of surrogate models and introduces some experiment design methods and approximation approaches that can be used for a mdo surrogate model, they are full factorial experiment design, orthogonal experiment design, uniform experiment design, central - composite experiment design, and polynomial response surface method, kriging method, radial basis function method and artificial neural network
為此本文中分別介紹了正交試驗，均勻試驗以及中心復合試驗等幾種試驗設計方法，以及多項式響應面， kriging ，和徑向基函數等幾種數學近似方法。並且通過構造描述機翼展向升力分佈的代理模型，對上述幾種方法作了對比分析。On the assumption of ignoring the distortion of thickness, this paper determines the rough shape by the geometric modeling method of equal area developing using mixed mesh cell of triangle and quadrangle for the first time, presents the equal area developing arithmetic of quadrangle - triangle. on the virtual geometric symmetry axis, we puts forward the method of determining the developed coordinate of the point on the base band in the development of using regular quadrangle cell, determines the developed shape of internal structure in plane utilizing point - to - point mapping theory. furthermore, we realize the approximate developing of undeveloped - irregular boundary surface using a few triangle cells
本文結合型號研製中小曲率機翼整體壁板類零件坯料展開課題，基於板料厚向變形忽略不計的先驗假設，首創混合四邊形-三角形網格等面積展開的幾何模擬法確定壁板類零件毛坯外形，給出了混合四邊形-三角形網格等面積展開演算法；提出了虛擬分割線的概念，採用虛擬幾何對稱軸，給出了規整四邊形單元展開基帶上結點的計算方法；採用映射原理和求交演算法確定了壁板內部結構信息的展開定位。The graphic evolution from the spread - eagle is evident in the stylized assyrian version of the design, where the bird ' s legs are abstracted into wavy streamers on either side of the disc which end either in claws or in scrolls, as they do in the persian design
從展翼鷹演進而來的圖案明顯地在程序化了的亞述人版本的圖案裏面，鳥的腳伸展到圓盤的方向，或者腳爪的方向的波狀橫幅上，雙或者成卷形，與波斯人的圖案一樣。Secondly, in the basis of the selection of the industry, this paper forecasts the direction of spatial extension based on the remote sensing images in different years at night. in accordance with the request of the exploitation along yangtze in zhenjiang, it brings forward to the " " developing axis in the whole city and " one city, one line, two wings with two points " one in downtown, furthermore, it analyzes the adjustment of the spatial distribution
第二，在產業選擇的基礎上，根據鎮江市歷年的夜光燈遙感影像，預測城市未來的空間擴展方向，並根據沿江開發的要求，提出市域「開」字型和市區「一城、一線、兩翼、兩點」產業發展帶，以此為依據進而分析了市域和市區空間布局調整方案。Damping was then determined via exciting the equation at the critical frequency to get the transit decay which was then analyzed with the moving - block method. in chapter 4, the nonlinear dynamic equation of rotor - body system with inter - blade dampers ( taking all possible attachment offsets into consideration, spanwise offset, vertical offset and in - plane offset ) was modeled
本文重點推導了帶葉間減擺器（減擺器帶三個外伸量:展向，垂向和旋轉方向）的旋翼/機體耦合系統的非線性動力學方程，針對該方程提出了一種改進的多槳葉坐標變換方法。Grid generation is a pivotal technology of cfd ( computational fluid dynamics ). follow the complication of problem in cfd field, the grid generation technology has developed in two ways : in the first place, it improved grid generation method to adopt the increasingly complicated figuration ; on the other hand, it developed new methods to deal with the problem including fluctuant surface, such as multi - body separation problem etc. among this ways, the overlap grid technology is a vive research aspect
網格技術是cfd （ computationalfluiddynamics ）領域中的關鍵技術。隨著cfd涉及問題的復雜化，網格技術在兩個方向上逐步發展:一方面針對不斷復雜的外形處理需求改進網格方法，從而能夠模擬復雜飛行器及其各個氣動部件的細節;另一方面發展適應撲翼、多體分離等變幾何外形問題的網格方法，使得cfd的工程應用領域不斷拓寬。這其中，重疊網格方法是一個較有活力的研究方向。分享友人