square boundary 中文意思是什麼
square boundary
解釋
方形邊界-
In the first part of the paper, the explicit form of difference equation and periodic boundary condition is derived in cartesian coordinate system. secondly, the dispersive characteristic is analyzed in cylinder coordinate system for many high power microwave devices use cylinder sws. and then the method is extended to calculate the band structure of 2 - d photonic crystal, a modified yee ’ s grid is introduced to calculate the dispersive characteristic in the case of triangular lattice, so that both square lattice and triangular lattice cases can be solved in cartesian coordinate system
周期電磁結構的一個重要應用就是用作高功率微波器件中的慢波系統，考慮到目前大部分高功率微波器件的慢波系統多採用圓柱周期結構，在論文第四章中，在圓柱坐標系下，給出了差分方程和周期性邊界條件的具體形式，同時編寫程序，分析了milosws ，盤荷慢波結構的色散特性。 -
The laser power is detected through the pd ’ s movement across the faculous region. when the value of the peak value of laser power is got, the power of the facular boundary points can be found according to definition of the facular boundary such as “ 1 / e ~ 2 ” theory. then the equation of the facular boundary can be made fitting by using the least square method, and calculate the beam divergence at last
採用兩個光電探測器分別檢測光束不同高度上的兩個光斑，在確定光斑中心最大光強值后，根據光斑截面尺寸的1 / e2定義，得到光斑截面邊界點的光強值，並以其為標準判定光斑截面的邊界點，對探測到的邊界點通過最小二乘法進行擬合，得到橢圓光斑截面的方程，根據空間幾何關系求出發散角。 -
The paper has improved the existing lifting - line and lifting - surface design method by including the rake and skew and solving the optimum circulation distribution with the optimum theory. the blade geometry is expressed with b - spline for the lift - surface method. the boundary condition on the blade is transformed to minimize the summation of the square of normal velocities, the fair blade geometry can be obtained by present technique and the design quality is better
改進了現有的升力線和升力面設計方法，在升力線設計中計及槳葉的縱傾和側斜的影響，用優化理論求解最佳環量分佈，升力面設計中用b樣條來擬合槳葉，將物面邊界條件轉化為求法向速度分量的平方最小，由此可得到光順的槳葉幾何形狀，提高和改進了設計質量。 -
In this article, simulations of air distribution in the vav air - conditioned office are carried out in the cases of different air - supplying diffusers including slot diffuser, sqaure grille, bar grille and square diffuser to supply air, the standard three - dimensional k - ? two - equation turbulence model with correctional item of buoyancy effect and simple algorithm are adopted, and wall function method is used to handle boundary conditions
本文採用經過浮升力項修正的-兩方程模型和simple演算法，應用壁面函數法處理邊界條件，對利用包括條縫風口、方型百葉風口、長條型百葉風口和方型散流器不同型式送風口送風的變風量空調房間內的氣流組織進行了模擬。 -
In fegm, the shape function is constructed by the moving least square ( mls ) approximation, the weak form of the equivalent integral equation to the governing equation is employed and essential boundary conditions are imposed by the penalty function method
它採用移動最小二乘法構造形函數，利用能量泛函的弱變分形式的積分方程，並用罰函數法施加本質邊界條件，從而得到積分方程的數值解。 -
Firstly, the equilibrium solution is global asymptotic stability and exponential stability on l2 [ 0, l ] under neumann and dirichlet boundary control conditions, control inputs for choosing the boundary control is bounded in lx, the equilibrium solutions decay to zero and integrating the solution square in [ 0, 1 ], it decays to zero exponentially, by using nonlinear boundary control conditions and input feedback control method
首先，採用非線性邊界條件輸入反饋控制方法，研究得到該類方程在neumann和dirichlet邊界控制條件下的平衡解在l _ 2 [ 0 ， 1 ]上是全局漸近穩定和指數穩定的、在所選邊界控制下控制輸入是l _有界的、平衡解隨時間衰減到零以及平衡解的平方在[ 0 ， 1 ]上的積分按指數方式衰減到零。 -
Treatment of boundary condition during multi - point forming process of square cup
盒形件多點成形邊界條件的處理 -
When the boundary is square, we can find polycrystalline textures with irregular grain boundaries and linear shear fractures. but we also observe the same phenomena when the boundary is circle
考慮了邊界為正方形和圓形兩種不同情況，我們發現都存在多晶結構，因此，我們推斷packing現象中出現的多晶體結構跟系統邊界無關。 -
The granular packing in two dimensional systems with different boundaries ( square boundary and circle boundary ) is simulated
摘要通過分子動力學模型，數值模擬了二維系統中顆粒物質的堆集過程以及系統的覆蓋率。 -
Based on the analysis of previous work in detail, a scheme of a - posteriori error estimation is introduced into the local boundary integral equation method ( lbiem ), which is constructed with the difference between the raw solutions of lbiem and the post - processing solutions with taylor expansion and moving least square approximation ( mlsa )
通過對無網格演算法在誤差估計方面的工作分析，根據原始解和后處理解的不同，將一種誤差佑計的方案引入到局部邊界積分方程方法中，其中后處理解採用泰勒展開和移動最小二乘近似得到。 -
The experimental tests are made on the right - angle dissipator with square cross - section, a new internal energy dissipator. in order to obtain its hydraulic characteristic, lda is used to measure the detailed velocity. the pressure along the wall boundary is also measured
2為深入研究直彎式消能工的水力特性，本文進行了方管的直角拐彎的試驗研究，採用二維激光流速儀測得了詳細的流場，並測量了壁面壓力分佈情況。 -
On the basis of frequent field - studies, in the light of the basic theories of ecological design, it tells the benefits and necessity of ecological design for city squares, and demonstrates the basic aims ( aim of function, aim of image, aim of environment ) ; according to the weather and vegetation characteristics of subtropical zone, it tells the cardinal principles ( humality, sustainable development, characteristics distinguishing, integral harmony, public participation ) for the design ; with regard to the architecture enclosing, the space organizing, the boundary effects of city squares, and their size and color, this dissertation also analyzes the space and environment of city squares, and especially discusses the ideas of how to decide the size of a square regarding the problem of building big city squares blindly ; and summarizes the key points of ecological plan and design for the component factors of the space and environment of city squares, and the problem of greening of squares is paid much attention
在多次實地考察的基礎上，本文從生態設計的基本理論出發，指出了城市廣場生態設計的意義及必要性，明確了設汁的基本目標（功能目標、形象目標、環境目標） ；結合亞熱帶區域的地理氣候與植被特徵，提出了亞熱帶區域城市廣場生態設計的基本原則（人性化、可持續發展、突出特色、整體協調、公眾參與） ；分別從尺度、色彩、與周邊建築的圍合、空間組織、邊界效應及內部交通等方面對廣場的空間環境進行了分析，其中針對當今我國廣場建設中「盲目求大」的現象，重點分析了如何把握廣場的尺度問題；總結了廣場的綠化、地面鋪裝、建築小品、水體等空間環境構成要素的生態設計要點，其中著重討論了當今廣場建設中頗為嚴重的綠化問題。
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