邊界約束條件 的英文怎麼說

中文拼音 [biānjièyāoshùtiáojiàn]
邊界約束條件 英文
edge restraint conditions
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • : 約動詞[口語] (用秤稱) weigh
  • : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
  • : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  • 約束 : keep within bounds; restrain; bind; bound; boundage;tie; restraint; restriction; engagement; repr...
  • 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
  1. The admissibility of functions is regulated by continuity requirements and boundary conditions.

    函數的容許性由連續性要求和
  2. To calculate this boundary parameter, mohorovicic discontinuity palaeo - heat flow value during basin evolution process is identified through geotectonic background analogy method based on " peeling " method model, and the basin basement palaeo - heat flow is calculated through inversion from today to antiquity with current tectonic structure as constraint condition for palaeo - crustal architecture analogy

    為了求取這個參數,以「剝層」法模型為基礎,通過大地構造背景類比法確定盆地演化過程中莫霍面古熱流值,以現今地殼結構為類比古地殼結構,從今至古反演求取了盆地基底的古熱流。
  3. On the premise of a given set of material parameter, structural boundary shape and condition, design variables - thickness of plate and shell, is designed to minimize the structural weight subjected to the constraint conditions. 1. for the problem with size and stress constraints, full stress design method is used to solve the sectional optimization of plate and shell structures

    在給定了板殼的材料常數、板殼結構的形狀和的前提下,確定表徵板殼厚度的設計變量,在滿足下實現結構重量最小: 1 .對于尺寸和應力的問題,使用滿應力方法求解。
  4. Study on the characteristic of piezoceramic actuator is an important step in the studying of undamaged - inspection process based on piezoceramic actuator technology. this thesis firstly dwells on the sample model of piezoceramic actuator under the restriction of concrete. through theory and experimentation analysis, we arrives at a conclusion that the vibration behavior of piezoceramic actuator belongs to that of the thin plate

    本文著重研究了在混凝土下壓電陶瓷片的樣本模型,在此基礎上通過理論探討和實驗現象分析,認為埋置於混凝土中的壓電陶瓷片是符合彈性力學中克希霍夫有關薄板理論的假設,是屬于薄板振動問題,並確定了其邊界約束條件
  5. Compared with the behavior of macromolecules in real solution system, the adsorption information in the monte carlo simulation system, such as adsorption isotherm, surface coverage, and bound fraction, was studied for discussing its relation to simulation parameters. five - selection simple cubic lattice, self - avoiding walk, and nearest interaction model were used to construct the homopolymer adsorption model on the solid - liquid interface. periodic boundary conditions were used to reduce the fixed error from limited cubic lattice in size

    模擬中採用五選擇簡單立方格子上的自迴避行走和最近鄰相互作用模型;使用周期性以減小有限大格子空間帶來的系統誤差;用鏈節間相互作用能、面吸附能、體相濃度和鏈長體系中的高分子的吸附行為;用末端轉動、 l -翻轉、曲柄運動、蛇形運動和r - r切除-生長法對模擬體系進行擾動;用系統達到吸附平衡后的樣本來研究模擬體系中的高分子鏈在固液面上的吸附。
  6. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    ( 3 )進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究,以及有升力情形下機翼跨音速減阻問題研究,分別推導了相應的共軛方程及數學表達形式,研究與發展了三維共軛方程的有限體積數值求解方法,及相應梯度公式的數值求解方法,通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合,成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序,成功地進行了多個設計算例研究。
  7. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收,我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁(光子)晶體貼片天線的性能進行了研究,結果證明加了這種新的電磁晶體覆層結構以後,天線的波收攏很多,並且向前輻射的增益大大提高,與普通天線相比,天線的e面和h面方向圖上向前輻射的增益均提高了6db ,另外,該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ,與該物理尺寸天線的方向性系數的理論極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了4 . 1db ,比qiu等人設計的電磁晶體天線的相應差值減少了1
  8. Based on energy theory, wrinkling criterion in deep drawing for axisymmetric parts is derived to take geometry parameters, friction coefficient, material properties, and the law of critical blank - holder force ( bhf ) of side wall wrinkling in the constraint condition of initial wrinkling into account

    從能量平衡原理出發,通過對屈服準則的線性化處理,推導了考慮幾何參數、摩擦系數和材料性能參數、板材皺曲時的軸對稱拉深成形過程中側壁起皺臨力的變化規律,給出了皺曲判據。
  9. We can use theory of optimal design and solving view, and with help of the technique index, that is boundary condition of comprehensive tolerance zone, removing a binding condition, it be comes uniaxial design variable and obtains reasonable formula

    在求解時,藉助于技術指標即綜合公差帶的,解除了一個變為一維設計變量,最後求出合理的公式。
  10. With this approach, the surface model can approximate inner scattered points and interpolate boundary conditions while keeping the global gl continuity. actually, the study on the theory and technology of b - spline surface reconstruction with complicated boundary constraints is an essential and innovative point of this thesis

    實際的運行例子表明,基於這種方案創建出來的曲面模型不僅能夠可調節性地逼近區域內部的散亂數據點,而且同時能夠插值于要求的邊界約束條件,從而保證整個曲面模型的全局g連續性。
  11. 1 process - oriented algorithms for sheet metal deployment. an investigation is made on the constrains to welded seam, sheet thickness, slope type and their influences to sheet metal manufacture process, and a rational method is adopted to treat design and calculation

    本文主要涉及的研究內容及創新點包括以下幾個方面: 1 、提出並實現了面向工藝的鈑金展開演算法;探討了展開計算時焊縫邊界約束條件,板厚處理,坡口型式對鈑金加工製造工藝的影響,並採用合理的方法進行處理和設計。
  12. The special class of constraints which appears in the form of boundary conditions is then considered within the framework of dirac method and some unavoidable problems or shortcommings of the dirac method in treating boundary constraints are pointed out

    接著,我們試圖利用dirac方法對帶有的理論進行量子化。結果發現,在用dirac方法來處理具有這類特殊的系統的量子化問題時,總是存在著不可避免的閑難或弊端。
  13. This original presents the universal insulation materials and the general testing and evaluating method for pipelines " insulation of the thermodynamics power generating plant ; performs the insulation testing and evaluating of the high temperature steam pipelines of longfeng heat and power plant ; takes composite structural research on the high temperature steam pipelines, and establishes the relevant optimizing physical and mathematical model of the insulation layer, confirms the constraint and boundary condition, carries on optimizing design for the thickness of insulating layer ; in order to more systematically analyzing the present situation of insulation of the installation and pipelines of longfeng heat and power plant, develops a suit of software namely " the information associated decisive system for the insulation project ", taking advantage of this software can achieve. the design, evaluation and direction to building for the insulation project, examine the criterion of design and building, the perform ance and manufacture data of different insulation material, which is convenient to the selection of insulation material

    在進行保溫結構優化的過程中,主要是針對高溫蒸汽管道進行復合結構研究,並建立相應的物理及數學模型,找出其。同時為了更加系統地對龍鳳熱電廠設備及管道的保溫現狀進行分析,開發了一套「絕熱工程信息決策系統」軟體,利用該軟體可以實現絕熱工程的設計、評估及施工指導,並可以查閱設計及施工標準、各種絕熱材料性能和生產廠家的資料,便於絕熱材料的選擇。該套軟體的設計填補了國內空白,避免了絕熱工程改造、設計及施工過程中的無序現象,規范了絕熟工程市場,從而為我國絕熱工程的選材、設計、施工及管理提供科學依據。
  14. Based on modern optimization theory and optimal control theory, this dissertation studies some questions as follows : 1. the optimization model of parameter identification of three - dimensional geologic history numerical simulation, algorithm and its application geologic history numerical simulation is a basic content of basin numerical simulation, and the porosity is the major parameter in the evolution and development process of oil - bearing basin. according to the sedimentation and burial mechanism, the physical and chemical principles of oil geology, the mudstone porosity ' s non - linear parabolic partial differential equation has been established

    本文應用現代最優化及最優控制理論,對如下一些問題進行了研究: 1 、三維地史數值模擬的參數辨識優化模型、演算法及應用地史模擬是盆地數值模擬的一個基礎性的研究內容,地層孔隙度是含油氣盆地地史演化發育過程中的重要參數,根據地層沉積埋藏機理和石油地質的物理化學原理,通過引入數學物理方程概念,建立了泥巖三維孔隙度場方程,根據問題的特點,給出了方程的定解,對方程的動也給出了處理方法,並且證明了解的存在性與惟一性,在此基礎上建立了以當今實測數據為擬合準則的三維地史數值模擬的參數辨識優化模型,這是一個含有二階偏微分方程的泛函極值問題。
  15. Study on the efficient frontier of portfolio under financing constraints

    融資下投資組合有效研究
  16. In this paper, we study the numerical solutions of these problems using galerkin boundary element, especially for the problem with open boundary such as the problems exterior to an open segment or an open curve in the plane. since the equivalent boundary integral equation for two dimensional laplace equation has constraint condition

    因為把二維調和方程的值問題轉化為等價的積分方程時帶有,用galerkin元方法求解帶的變分方程,在數值離散時,我們採用lagrange乘子法處理
  17. After the paper sufficiently considered creation algorithmic of triangulated irregular network in time and space and analyzed three creation algorithms of tin - divide - conquer, triangulation growth, incremental insertion, the paper adopts to a new algorithm that takes advantages of divide - conquer and triangulation growth. it can create tin quickly. the paper also uses break lines, terrain feature lines, building borderlines to be restriction condition and creates triangulated irregular network based on restriction

    綜合考慮不規則三角網生成演算法的時間和空間性能,分析了常用的三種tin生成演算法:分割-歸並法、三角網生長法和逐點插入法,筆者採用分割-歸並法與三角網生長法相結合的演算法,快速生成了tin ,並以斷裂線、地性線、建築物,最終生成具有的不規則三角網。
  18. To solve the moving contact problem, a kind of interpolation schemes, which utilizes shape function to impress interfacial constraint conditions ( node to point ) to prevent penetration between the contacted surfaces, is adopted generally in the references of bem, as used in the fem

    對于移動接觸問題,元法的有關文獻中通常採用和有限元法中類似的插值方案,利用形函數來強加(節點到非節點)以避免接觸表面之間的貫入。
  19. This paper discusses the performance of load bearing under different boundary conditions by model test and finite element analysis. the x - side binding of the supporting surface connecting with up - side chord member of slice arch is the most important factor that affects membrane effect of the slab. the load bearig capacity of the slab with fixed end increased forty percent of the capacity of the simple - supported slab, because membrane effect of the slab with fixed end is remarkable

    本文通過模型試驗和有限元分析,較深入地探討了在不同下微彎板的受力性能,結果發現與拱片上弦桿連接的支承面有側向是影響微彎板的薄膜效應最重要的因素,當該支承面為固結狀態時,薄膜效應十分顯著,其承載力比簡支微彎板的承載力提高了40 。
  20. 1. according to the examples of engineering practice, we can build up temperature - calculating modes of box section and then calculate temperature fields of box section by measuring the boundary conditions and restricting conditions. 2

    1 、結合工程實例,用有限元方法( ansys )建立箱梁截面的溫度計算模型,由實測的和實際計算出箱梁截面的溫度場。
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