邊方程式 的英文怎麼說

中文拼音 [biānfāngchéngshì]
邊方程式 英文
side equation
  • : 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...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • 方程式 : capeta
  1. Two boundary conditions are needed to solve the equation.

    解此需要兩個界條件。
  2. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算序,可以計算不同界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  3. The method of crack - division is used to make radial cracks at the edge of cavity. a series of integral equations for determining the dsif at tips of anti - plane crack are set up in terms of the green ' s function

    按「契合」的和採用裂紋切割技術構造出孔徑向界面裂紋對sh波散射的模型,利用green函數建立直接求解m型裂紋尖端動應力強度因子的定解積分組。
  4. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉混合層模,根據參數化法對波浪破碎導致的能量耗散率進行了估計,通過改變湍動能的上界條件引入波浪破碎對湍動能生成的影響,計算了不同風應力強迫下的混合層流場結構和湍能量收支(下述給出的結果是取風速為20m s得到的) 。
  5. Next, in order to comprehand the electromagnetic characteristics and the dynamic characteristics of the new type of magnetic micromotors, the dissertation applied the concept of the magnetic scarlar potential of the irrotational magnetic fields and set up the mathmatic model for the inner magnetic field of the new type of motors from the basic equations and the boundary conditions of the motor magnetic field. oh the basis of the mathmatic model, the dissertation analized the various qualities of the magnetic field of the air gap between the rotor and the stator and gave a detailed calculation of the air gap ' s magnetic potential, magnetic field intensity, magnetic induction, the shape of the magnetic scarlar potential level surface, the distribution of the magnetic circuit, the magnetic induction the self - inductance and the mutual inductance of the coils

    其次,為全面了解這種新型電磁電機的電磁特性和動力特性,本文從電機磁場的基本及其界條件出發,應用無旋磁場的標量磁位概念,建立了端面搖擺電磁微電機內部磁場的數學模型,並以此為基礎,詳細分析了電機氣隙磁場的各面性質,對氣隙磁場的磁標位、磁場強度、磁感應強度、等磁位面形狀、電機工作磁路的分佈、電機的工作磁通量以及激勵繞組的自感和相互之間的互感進行了詳細的分析計算。
  6. In light of the elastic thin plate theory, the author induced equilibrium differential equation of bi - direction cellular slab, which was proved correct through analysis and comparison to result of ansys to with theoretical calculation. through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions, the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates ", which could satisfy the precision of engineering

    本文根據彈性薄板理論,導出了雙向空腹板的平衡微分,並通過理論計算和通用有限元序ansys結果對比,驗證了其正確性;通過對各類界條件下雙向空腹板撓度和彎矩系數的計算比較,本文提出:雙向空腹板跨中撓度及跨中、支座彎矩可使用本文空腹板剛度公查找現有的實心板撓度彎矩系數表進行計算,完全能滿足工精度要求。
  7. It also roundly researched the solution of the helmholtz equation in the circumrotating ellipsoidal coordinates, and discussed how to calculate the solution of the electro - magnetic field in the circumrotating ellipsoidal coordinates using special functions, and researched circumrotating ellipsoidal cavity ’ s latent value and quality parameter using arithmetic simulation, finally we compared the ellipsoidal cavity with the spheriform cavity. the main content of this thesis are as following : 1. calculated the distribution of the electro - magnetic field inside the ellipsoidal cavity based on maxwell equations and boundary conditions, and confirmed the syntonic mode inside the ellipsoidal cavity using arithmetic methods

    本文從maxwell及其界條件求解出橢球腔內的電磁場分佈,較為全面的研究了旋轉橢球坐標系下赫姆霍茲的解的問題,討論了用特殊函數來求解旋轉橢球坐標系下電磁場的解,並通過數值模擬研究了旋轉橢球諧振腔的本徵值和品質因數,並和球形諧振腔做了比較,主要內容為: 1 .用maxwell及其界條件求解出橢球腔內的電磁場分佈,並且分析了橢球腔內的諧振模
  8. The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes

    本文就是在此背景下,利用金屬波導和單軸晶體的一些特性,結合麥克斯韋組和波導的界條件,從三種不同的情況研究了光在對稱平面單軸晶體金屬波導(波導層是單軸晶體,兩個波導界面均為金屬)內的傳輸特性,其主要貢獻為,首次解析地得到了這種波導結構下模場的精確解,並發現了一些有用的特性: ( 1 )模場的性質因單軸晶體的性質不同而異; ( 2 )當單軸晶體光軸位於波導界面法向與傳輸向構成的平面內時,波導中傳輸te波和tm波,只不過其主模因單軸晶體的性質不同而異,當波導層介質為負單軸晶體時,波導主模是te波主模,而波導層介質為正單軸晶體時波導主模是tm波主模。 ( 3 )當單軸晶體光軸位於波導面內時,對于正單軸晶體,波導的主模是橫電波te _ 0模,任何頻率的光波均可激勵該模;當光波波長滿足一定條件時,波導內傳輸單模,否則,將激勵起高階模,高階模即匪te波,也匪tm波,而是兩者耦合而成的混合模。
  9. This paper provides the functional equation and parametric expression of rooted near triangulations on the torus with the size and the valency of the root - face as two parameters, and gives an explicit formula for the number of rooted near triangulations of the root face valency one on the torus with the size as a parameter

    本文提供了環面上帶數和根面次這兩個參數的有根近三角剖分的函數及其參數表達,並給出了根面次為1以數為參數的有根近三角剖分地圖的精確解
  10. The predictions have been compared with experiments and the results indicated that the adaptive variable blank holder force can be used to improve the sheet metal forming processes

    本文通過數值模擬的法把變壓力的壓應用到拉深過,並和實際情況相比較,發現合理的變壓力能改善板材的成形性能。
  11. The suggestion of such a test as i propose has the strange effect of leveling all mankind by brushing aside all the non - essentials of civilization and culture and bringing all under a simple and clear equation

    我所提議的這么一種試驗有一種奇怪的效力,它能把文明和文化上一切不重要的東西擱在一,使人類在一個簡單而清晰的下完全平等。
  12. On the equation ( the equation is abbreviated ) with initial condition and periodic boundary condition a system of ordinary differential equations to time was built by the four - order difference method, then the precise integration method was used to solve the system

    摘要對于略)的初始值與周期值問題,利用四階差分化為關于時間變量的常微分組,然後採用精細時積分法。
  13. In chapter two, according to n - s equation, considering the couple between liquid and solid, the double - fluid model is used to respectively set up momentum equations of two - phase fluids in condition of basic hypothesis, which are general equations of two - phase fluids. simplifying the equations in boundary layer, the momentum differential equations are required and the boundary conditions are given. in the same time, the simplifying equations and their solutions, in which solid grain satisfies in boundary layer

    第二章依據n - s,考慮到液、固之間的相間耦合,在基本假設條件下,採用雙流體模型,分別建立液、固兩相的動量,它是固液兩相流體的一般;對其在界層流區內進行量級比較,得到界層動量微分並給出其界條件,同時也得到固體顆粒在界層內所滿足的簡化及其解的表達
  14. From considering the interaction between wave and current, we can get a reasonable result by solving the governing equations with properly boundary conditions

    考慮群柱間波?的交互作用,藉由求解在適當界條件下的控制可推導出? ?解析結果。
  15. The gap element method is proposed in the paper for two kinds of problems, which include contact problem and gap joint problem. elasticity contact problem falls into the category of unknown boundary value problems. it follows that the contact area and contact conditions or states ( st

    文中給出了間隙元法在空間可動部件接觸問題中的應用,推導了其幾何界條件和力學界條件,利用虛功原理推導了含間隙元彈性接觸問題的有限元,給出了其數值解法的迭代步驟,並指出了利用間隙單元進行分析的特點。
  16. Natural gas fluids measurement - concentric, square - edged orifice meters, part 1 - general equations and uncertainty guidelines

    液化天然氣的測量.同心有孔測量儀.第1部分:通用和不確定性指南
  17. From the boundary particle theory, quantum gravity and an extra dimension emerge when the equations are analyzed the right way

    同樣的,如果循正確的途徑分析,就能從界粒子理論中,解讀出量子重力論與額外維度。
  18. The magneto - elastic motion equation and the electrodynamic equation of the thin strip conductive plate in a leaning magnetic field are derived on the basis of the principle magneto - elastic theory, and the characteristic equations of the vibration of the plate supported along two long sides are obtained as well

    摘要以磁彈性基本假設為出發點,給出了傾斜磁場中無限長條形薄板的磁彈性運動及電動力學,並推得了兩長簡支薄板的磁彈性振動特徵
  19. Based on unified strength theory, the boundary line equation of surrounding rock mass plastic zone under non - uniform stress field was deduced, and it can be used to pre - estimate the dimensions and shapes of underground tunnel ' s plastic zone with different coefficients of horizontal pressure

    摘要基於統一強度理論,推導出非均勻應力場的巷道圍巖塑性區界線,可用於預測不同側壓系數時地下深埋隧洞的塑性區大小及形狀。
  20. New results about the existence of the positive solutions to a singular integral equation are obtained in the form of ( the equation is abbreviated ), t ( 0, 1 ), in the boundary layer theory

    摘要對界層理論新結果中出現的一類奇異積分略) , t ( 0 , 1 )進行討論,並得出了上述在( 1 / 2 , 0 )上正解存在性的新結果。
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