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quadrilateral

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quadrilateral adj.1.四邊(形)的。2.四方面的。n.1.【數學】...

adj. 1.四邊(形)的。 2.四方面的。 n. 1.【數學】四邊形。 2.方形物，方形地；【軍事】(四邊有四座堡壘防御的)方形要塞[地區]。 “birectangular quadrilateral“ 中文翻譯：   兩直角四邊形“celsus quadrilateral“ 中文翻譯：   celsus四癥候“circumscribed quadrilateral“ 中文翻譯：   外切四邊形“complete quadrilateral“ 中文翻譯：   安全四邊形; 完全四邊形“convex quadrilateral“ 中文翻譯：   凸四邊形“cyclic quadrilateral“ 中文翻譯：   圓內接四邊形“geodetic quadrilateral“ 中文翻譯：   大地四邊形“inscribed quadrilateral“ 中文翻譯：   內接四邊形“isosceles quadrilateral“ 中文翻譯：   等腰四邊形“quadrilateral analysis“ 中文翻譯：   四邊形分析法“quadrilateral chain“ 中文翻譯：   大地四邊形鏈“quadrilateral element“ 中文翻譯：   四邊單元體; 四邊形單元; 四邊形元“quadrilateral fever“ 中文翻譯：   q熱“quadrilateral flap“ 中文翻譯：   矩形瓣法“quadrilateral form“ 中文翻譯：   四線性形式“quadrilateral jib“ 中文翻譯：   蝴蝶三角帆“quadrilateral peristyle“ 中文翻譯：   四邊列柱廊式; 四邊列柱式“quadrilateral prism“ 中文翻譯：   四邊棱形柱; 四邊形棱柱“quadrilateral pyroxenes“ 中文翻譯：   四邊形輝石類“quadrilateral socket“ 中文翻譯：   四邊形接受腔“simple quadrilateral“ 中文翻譯：   簡單四邊形“skew quadrilateral“ 中文翻譯：   撓四邊形“trirectangular quadrilateral“ 中文翻譯：   三直角四邊形“weiss quadrilateral“ 中文翻譯：   韋斯四邊形法“quadrijugous“ 中文翻譯：   四對的“quadrijugate“ 中文翻譯：   四對的

quadrilingual

Secondly , the dissertation summarizes the fundamental principle of finite element analysis on conduit subway , introduces the main calculation formula for finite element analysis , and then it develops reinforced concrete finite element calculation computer program which includes quadrilateral 8 nodes isoparametric element and one - dimensional 3 nodes isoparametric element 2 、闡述了地下埋管有限元分析的原理、方法和步驟，給出了有限元分析的主要計算公式，并編制了包含四邊形8結點等參單元和一維3結點等參單元的鋼筋混凝土管道有限元計算程序。

The quadrilateral mesh and a special kind of linear basis function is selected on the rooftop so that the treatment of the attachment of the wire antenna to the surface patch is easier than other methods reported in literatures . using the proposed method , the analyses and prediction of electro - magnetic compatibility of the electrically small conducting structure are achieved , which provides a theoretical guidance in the system level design 在使用矩量法的過程中，山于在金屬物體表面運用四邊形面元進行剖分，并在面元上選擇了一種特殊的線性基函數，園時在細天線和面元的連接處使用了改進了的方法，使得在處理細天線與面元電流相連接的部分較之以往文獻提到的方法更為簡單。

It is emphatically detailed about how to design and develop a full - quadrilateral finite elements mesh generator ( graphfem vl . o ) in the third chapter , including the algorithms taken used of to improve the program function and raise the grid quality . in the end of this chapter some examples are included to illustrate the validity of the program 第二章重點說明了一個基于模板法的全四邊形有限元網格自動生成器( graphfemv1 . 0 )的研制細節，其中包括一些為改善程序性能、提高網格質量所采用的算法，本章末尾通過一些實例來說明了程序的有效性。

To improve computing precision , the latter applies interpolating function of curved - quadrilateral element containing six npdes to thicking the influence surface of grillage . compared with lagrangian interpolation for rectangular element and triangle plane interpolation , this way not only improves computing precision but be more suitable for the curved - bar grillage analyzing method introduced this paper 為了提高計算精度，本文應用六結點曲邊四邊形單元插值函數加密梁格影響面，與矩形單元拉格朗日插值及三角平面插值方法相比，不但提高了計算精度，且更適于曲桿梁格分析。

The data structure used to express n - sided region is easy to edit and maintain , which provides good basis for developing interactive operation functions and partitioning quadrilateral region . a method of quadrilateral region partitioning of triangle mesh is put forward . a simple and effective method with rapid calculation is proposed to compute the shortest route between two points of the mesh 研究并實現了三角網格模型的數據分塊算法，在分塊結果的基礎上建立了n邊界區域結構，該結構易于編輯和維護，為開發用戶交互操作功能和進行四邊界區域劃分提供了很好的基礎。

In order to avoid the difficulty in computing the general inverse of flexible matrix in legendre transformation , this paper studies the mixed coordinates formulation for some quadrilateral plate bending elements instead of fully formulating in ( e , n ) plane for their original plane elasticity elements 為了克服legendre變換中對單元柔度陣求廣義逆的困難，對于原平面彈性單元是在參考坐標系中列式的情形，本文研究了在彎矩函數空間的混合坐標列式。

On the one hand , the shape function should be constructed on k because it is impossible to construct it directly on a arbitrary quadrilateral , on the other hand tin1 shape function on k , not on k , should have some continuity across the boundaries of k to ensure the convergence )上構造形函數，因為不可能在任意四邊形上構造形函數；另一方面，為了保證收斂性， k上的形函數(而非( ? )上的)跨越k的邊界應具有某種連續性。但是，由于從參考元(

In this paper , 8 - node isoparametric quadrilateral element is used to divide the soil and retaining structure . comparing to practical engineering , the numerical method - finite element method is used to analyze every behavior of deep foundation excavating and retaining in loess area 本文采用八結點四邊形等參元來離散土體與圍護結構，用有限元數值方法，對照實際工程，對黃土地區深基坑開挖與支護體系的各種性狀進行了分析。

A uniformly sampling algorithm of three - dimensional segmented quadrilateral boundary domain and an uniformly distributed sampling point optimized method based on force equilibrium are presented . then on basis of the above researches , the smooth b - spline surface fitting is implemented 提出了一種空間四邊界區域的均勻采樣方法以及基于力平衡原理的采樣點均勻分布優化方法，實現了三角網格模型的重新均勻采樣和參數化。

The duct and it ' s vortex is discreted by a number of small straight quadrilateral panel . constant source and doublet distribution is placed on each panel on the surface of body , and constant doublet distribution is placed on each panel on the surface of vortex 以面元的幾何形心為控制點，在每個物面面元的控制點上布置等強度的源匯分布和偶極子分布，每個尾渦面面元控制點上布置等強度的偶極子分布。

This paper discusses the ability of avoiding maximal power flow of quadrilateral impedance relay and round impedance relay in detail and puts forward the setting principle and setting method of load limiting resistor of backup distance protection 本文對四邊形和方向圓特性阻抗繼電器躲線路最大潮流的能力進行了詳細分析，提出了距離保護負荷限制電阻的整定原則和整定方法。

In the first part , we give the inner radius of univalency for fan - shaped domains and for quadrilateral domains with vertexes on a circumference and sides forming the sequence abba . also we estimate the inner radius of univalency for rectangles 在第一部分中，我們給出了扇形和四邊為abba形式的圓內接四邊形的單葉性內徑，并給出了長方形區域單葉性內徑的下界估計。

The shape of cross section of gravity dams under basic loads was optimized from an initial quadrilateral region with the stability of dam bodies against sliding and the tensile stress in dam heels taken as restraints 以四邊形為初始域，以重力壩的穩定和壩踵拉應力為約束條件，對基本荷載作用下的重力壩基本斷面形狀進行優化。

Based on 4 - nodes quadrilateral mixed interpolation shell element and total lagrange formulations , elastic - plastic finite element analysis was made for the mechanical behavior of circular radial slotted plane rupture discs 摘要基于t . l .列式，采用四邊形四結點混合殼元對平板透縫爆破片的力學響應進行了彈塑性有限元分析。

The floor was sand . before a big fire lay captain smollett ; and in a far corner , only duskily flickered over by the blaze , i beheld great heaps of coin and quadrilaterals built of bars of gold 斯莫列特船長躺在一大堆火前閃爍的火光隱約照到遠處的一個角落，我看見那里有幾大堆金幣銀幣和架成四邊形的金條。

The grid auto - generation of the inner and outer domains is carried out by generating a small number of quadrilateral super elements and each super element then further discretized into smaller elements 內、外兩層區域的網格自動生成，先將各區域劃分為數量較少的四邊形超單元，然后對各超單元逐個剖分。

In order to deal with different kinds of building shapes , body - fitted quadrilateral grids are arranged in the inner domain and rectangle girds in the outer domain 為適應不同建筑體型的需要，本文提出在內層區域布置貼體的任意四邊形網格，而在外圍區域布置直角坐標矩形網格的分層網格離散模式。

In the model , components of upper frame structures , such as beams and columns , are simulated with plane 4 - node quadrilateral parametric elements , and soils with plane 4 - node quadrilateral parametric elements 模型中采用平面四結點等參數單元模擬上部框架結構的梁柱構件。

At the same time , the computing program is written by vc + + . in the program quadrilateral isoparametric element is used to calculate its temperature field and thermal stress field 選取四邊形等參元來計算軸對稱問題中的溫度場和熱應力場，用vc + +編制計算程序。