弧矢面 的英文怎麼說
中文拼音 [húshǐmiàn]
弧矢面
英文
sagittal surface-
Sagittal image surface
弧矢像面Third, it puts forward the logarithmic spiral failure surface bishop steep reinforced slope limit equilibrium stability analysis method. this method is used to calculate the engineering living example and compared with the calculations of the engineering living example and compared with the calculations of the swedish circle method and proved applicable
第三，本文針對加筋陡坡潛在破裂面矢徑隨路堤深度而增加的特點，提出用對數螺旋線作滑動面的畢肖普法進行穩定分析，編制了穩定分析程序，並對工程實例進行了分析計算，將計算結果與瑞典圓弧法分析進行比較。The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed
根據這一設想，本文建立了超薄鏡的數學模型?薄殼，並提出了強制力作用下超薄鏡的簡化模型?曲梁，推導了曲梁在簡支情況下受力變形的撓度公式，並結合一個實例，計算出曲梁變形后與所需非球面的面形殘差（ rms ）在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足面形精度的r和s范圍，分析了弧矢方向的rms ，得出了同時滿足子午和弧矢方向面形要求的l 、 r和p 。Firstly, a simple and practical representing method of the tooth edge tangential vector is applied to replace the traditional differential formula, the simple solving technique of edge contact problem makes the geometric edge contact analysis of the complex curve surface realize. secondly, using numerical searching and mathematical programming method solves the contact directions and loaded contact problem. finally, whole numerical simulation method is provided for loaded tooth contact analysis of high contact ratio spiral bevel gears
首先以一種簡單實用的輪齒邊緣切矢量的數學表示方法取代了經典的微分表達式，大大簡化了幾何邊緣接觸的求解，使復雜曲面的幾何邊緣接觸分析得以實現；其次又採用數值搜索與數學規劃法求解了邊緣接觸的主方向和承載接觸問題，為高重合度弧齒錐齒輪承載嚙合全過程的數值模擬提供了完整的方法。On the part of thrust vector measurement theory, some problems that exist in the six - component model and the six - component thrust vector stand are analyzed, and the solving methods of six - component model are studied. the thrust vector measurement nine - component model is established, and the design idea of curve rail can benefit the nine - component model solving is proposed
在推力矢量測量理論方面，分析了六分力模型及六分力試車臺存在的問題，研究了六分力模型的方程求解方法;建立了推力矢量測量九分力模型，提出了弧形軌的設計思想，解決了九分力模型方程求解問題。分享友人