角變法 的英文怎麼說
中文拼音 [jiǎobiànfǎ]
角變法
英文
method of slope deflection-
Method of reducing dimensions for laplace equation ' s conformal transformation
方程的保角變換降維法The major work is as follows : solution of two dimensional radiation or diffraction fluid field. this thesis extends multipole expansion method to adapt to disturbed fluid fields of 2d floating bodies with asymmetric forms, which is applied with symmetric forms originally. and given the solution of potential velocity and hydrodynamic pressure of radiation and diffraction fluid fields, which is incited by a 2d arbitrary form, actual application field of the multipole expansion method has been enlarged
關於二維擾動流場的求解:將通常僅適宜求解具有對稱形狀二維物體擾動流場的多極展開法(保角變換方法)擴展至非對稱形狀二維物體,給出了任意形狀二維物體的輻射和繞射流場的速度勢及水動壓力的頻域解,進一步擴大了多極展開法的實際應用范圍。Since the varies of gun attitude angle and the vertical vector of the homograph plane are one - to - one, all the elements of modulation gun can be transformed into the calculation of the vertical vector angle, which avoids the calculation accuracy loss of the traditional approach under the condition of the tiny attitude angle disturbance
由於火炮姿態角變化與相應平面的法向量是一一對應的,從而可將調炮諸元轉化為法向量夾角來計算,這樣可避免傳統方案在微小姿態角擾動情形下導致的計算精度可能的損失。Using coordinate transformation method, the formula of imv on every point of image plane was deduced, and it included almost all motorial factors : the flight velocity of aircraft, roll, pitch, yaw, camera ' s scan and so on. thus, it is a precise formula, and it is also applied to frame cameras and push _ room cameras with array ccd
利用坐標系變換的方法可推出像面上各點的像移速度公式,該公式包含了幾乎所有的運動因素:飛機的前向飛行、飛機的姿態角變化、相機自身的擺掃運動等等,是精確的像移速度公式。本公式同樣適用於畫幅式航空相機和線陣ccd推掃型航空相機。On the ground of educative theory, this paper exposits connotation and characteristic of project - based learning and why we should also enforce project - based learning in high school. as far as substance of project - based learning and objective circumstance what it should have are concerned, it points out the practical ability. at last, based on that university physics education has relatively longer cycle, it proposes stage pattern for enforce project - based learning and give two concrete cases, which discuss capacitance of confocal oval - shaped stylar capacitor and potential distribution of charged conductor of surface being uniparted hyperboloid
本文在具體的教育理論指導下,闡述了研究性學習的內涵及特點;在大學物理中實施研究性學習的意義;以及就研究性學習的實質和所需具備的客觀條件而言,論述了研究性學習在高校中實施的可行性;並根據大學物理教育具有周期性相對較長和專業循序漸進的特點,提出了研究性學習的階段性模式,並給出了具體的實例,利用保角變換法討論了共焦橢圓柱形電容器電容及單葉雙曲面帶電導體的電位分佈。Creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design
基於現有的試驗資料,高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發,利用積分中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式,對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別,並建議應從概念設計的角度出發,採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響Abstract : creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design
文摘:基於現有的試驗資料,高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發,利用積分中值定理和疊加原理,推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式,對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別,並建議應從概念設計的角度出發,採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響Along with the progress of drilling technology, many new types of bha such as steering motor assembly, dropping assembly with eccentric bend sub, dropping assembly with flexible connection are developed based on common building, dropping and holding assemblies. for using these bha, a new mathematical model is put forward for 3d static analysis of these types of bha under small deflection. and its weighted residual solution is given. the mathematical model includes ( 1 ) differential equations ; ( 2 ) boundary conditions at drill bit, stabilizer, bend angle, diameter change, tangential point and borehole wall ; ( 3 ) lateral forces and deflection angles of bit. the software based upon this method runs well
為了更好地應用各種新鉆具,建立了適用於對普通下部鉆具、導向鉆具、帶偏心彎接頭和柔性接頭的下部鉆具進行三維小撓度靜力學分析的數學模型,包括( 1 )微分方程; ( 2 )鉆頭、穩定器、彎角、變截面、切點和井壁的邊界條件; ( 3 )鉆頭的側向力和鉆頭轉角.給出了該模型的加權余量解.用該方法編寫的軟體應用效果良好In the theoretical description of grazing emission fluorescence, the mode of fluorescence intensity emitted from layered materials dependence of grazing angle is established by applying asymptotic approximations to double fourier integrals, and the theoretic calculation formula of fluorescence intensity from a thin layer is derived. by the derived expressions, the theoretic simulation curves of several thin layers on si substrate are calculated. in the experimental setup, the requirement of construction of the setup and some important parameters are brought forward
最後,利用平穩位相方法建立了掠出射情況下薄層樣品產生的熒光強度和掠出射角的對應關系數學模型,推導了薄層樣品熒光強度理論計算公式,並以此為依據模擬計算得出了cr 、 fe 、 ti和ni等幾種以si作基底的單層薄膜樣品的熒光強度隨掠出射角變化的理論曲線。In my paper i used the " triangle " method, which is brought forward by glajch, to design 5 turn experiments, then optimizing. i have also developed the procedure with tool of vb and flash, realized the automotive optimization of simplex
本文以glajcn 『 』三角形法為基礎,設計5次預試驗,採用可變「步長」的單純形法,用vb語享和fiash動畫製作工具,進行軟體開發,實現了使用單純形治優化hplc溶劑系統的自動化。A feature refreshing method during tracking is studied. greedy algorithm is used to compensate non - affine deformation caused by the changes of view and target ' s movement
用貪心演算法對使用仿射模型跟蹤時,由於目標運動和視角變化而產生的非仿射變形進行補償。Turning variables iterative method for kinematic analysis of complex planar link ages
復雜平面機構運動分析的角變量逼近法De - familiarization has been used in the old tales retold. it displays for plot - arrangement, perspective transformation, replace name, discourse - mixed and overthrow the archetype
摘要在對「故事」進行「新編」的過程中, 《故事新編》運用了多種「陌生化」手法,它具體表現為情節編排、視角變換、 「換招牌」 、話語雜糅和顛覆原型等。The novel zhang juzheng written by xiong zhaozheng builds up a narrative frame with the power relation of " iron trigonometry " provided with the typical culture connotation, reveals the hardship of constitutional reform and its unavoidable tragic destiny in a transformational period, and exhibits the complicated human nature in the context of mature chinese culture
熊召政的小說《張居正》以具有典型文化意蘊的「鐵三角」權力關系(權力的源泉及其公權代表與私權代表)為敘事框架,演繹了一場轉型期變法的艱難歷程及其不可避免的悲劇命運,展現了中國文化爛熟期的復雜人性。The main contents of this paper are following. ( 1 ) the mechanical models of ball bearings are set up by both the quasi - dynamic method and the finite element method in this paper, and then the load distribution of ball bearings is studied. the rules of the contact angle, the deformation, the stiffness and the limit rotational speed in different structure parameters and load parameters are analyzed
本文圍繞航空發動機高速滾動軸承的力學特性,開展了以下工作: ( 1 )分別採用擬動力學法和有限元法,建立了滾動軸承力學分析模型,研究了滾動軸承的載荷分佈特性,分析了不同結構參數和載荷參數對其接觸角、變形、接觸剛度和極限轉速的影響規律。( 3 ) using conformal mapping, the longitudinal protrusion height and the lateral protrusion height on the v - grooved surfaces are given, on this basis, some drag reducing features in parallel - flow, cross - flow and enlarge - flow are presented and analyzed ; in addition, drag reducing features with blade - shaped grooves and u - shaped grooves are discussed, consequently, the riblets designing criterions are suggested which will reduce the drag and noise most effectively underwater
( 3 )利用保角變換方法求出v ?型條紋的縱向和橫向突出高度,在此基礎上得出縱向流、橫向流和帶角度流動時的降阻特性,並分析結果;而且分析了葉片型條紋和u ?型條紋表面上的降阻情況,提出水下具有最佳降阻效果的條紋表面設計準則。In order to predict hydrodynamic characteristics a computational system is developed including determination of the pressure distribution on a wing section by use of the conformal mapping method and panel method respectively and of the flow in boundary layer according to the thin shear layer approximation ( tsl ) for navier - stokes equation approach. the wing sections of naca4412 and naca0012 are applied to test the computational system. the numerical inspection shows that the panel method with better precision and the momentum and the displacement thickness of boundary layer can be used to complete this calculation
本文分別用守屋的保角變換法和基於源匯渦分佈的面元法,建立了計算槳葉表面壓力分佈的數學模型;應用納維-斯托克方程的薄層近似理論模式和有限差分數值方法,建立了計算機翼表面邊界層內部流動的數學模型;應用槳葉表面邊界層內部粘性流動和外部勢流流動在邊界上的匹配演算法,建立了槳葉表面二相流流動的計算方法和相應的計算機程序。Adopt preset offset loading to reduce general deformation of
以預設偏載法減小開式壓力機綜合角變形The contents of the thesis are summarized as follows : 1. by using curved - fitting method, calculation of local angular deflection of canvas plate is studied, with the help of cubic spine function, canvas plate is formed and then its local angular deflection is worked out. 2
本文所做的工作概括如下: 1 、運用曲面擬合方法研究帆形板局部角變形的計算方法,通過三次樣條函數建立船體帆形外板,然後計算得出帆形板的局部角變形。In triangle plane filling between layers, the loop matching operator between layers was adopted, which is that the loops were matched according to their characters, geometry centers and perimeters. four kinds of regular algorithm in filling between layers were analyzed, and the shortest diagonal algorithm, which was rather fit to this dissertation, was adopted in this dissertation. the contour loops of section were grouped and each loop was split to make each loop become a single outer loop that was triangle split with delaunay algorithm
在層間三角面片填充方面,採用層間輪廓環按環的性質、幾何中心和周長進行匹配的層間匹配演算法;分析了層間三角面片填充的四種常用的演算法,並根據本文需要選用並實現了最小對角線法;端面三角劃分時,將端面的輪廓環進行分組,再對每組環進行切分處理,使得每組環變成一個單一的外環,對單一的外環按delaunay演算法進行三角劃分;將所生成的三角面片按規定的格式寫入stl文件,生成可直接為快速原型製造所接受的stl文件格式。分享友人