model boundary 中文意思是什麼

model boundary 解釋
模型邊線
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  • boundary : n 邊界，疆界，限界 （between）;（球場）邊線；界標；界限，范圍，分野。 aboundary dispute 邊界糾紛...
  1. Studying perceptual boundary effects with connectionist model

    運用聯結主義模型研究知覺邊界效應問題
  2. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained

    本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型，以捕獲半徑的圓域定為目標集，確定目標集邊界上的可用部分，並以此為各狀態變量的起點，對時間進行倒向積分，求得線性方程組的解析解，從而確定了該追逃模型的線性界柵，以及界柵上對策雙方的最優推力，即求得了滿足最優策略時相對運動的軌跡和推力。
  3. 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，基於經驗關系式確定霜的有關參數，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方程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、停機過程，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程奠定基礎，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程，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程序，可以計算不同邊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。
  4. The upper of the east model boundary remains constant head and the at the lower of it, there might exists a diffluent interface. so the east and west sides of the diffluent interface are respectively the drainage area of east and west karst - groundwater of yellow river

    模型東界上部以黃河水位為第一類水頭已知邊界，下部必存在一個分流面，分流面東西兩側分別是黃河東西兩塊巖溶水的排泄區，該分流面可視為零流量邊界。
  5. Using the split steps finite element method, the varied - boundary two - dimensional numerical model of diurnal tide and tidal current in the luoyuan bay is constructed

    摘要採用不規則三角形網格的分步雜交法，建立羅源灣海域二維變邊界全日潮汐和潮流數值模型。
  6. 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階湍封閉混合層模式，根據參數化方法對波浪破碎導致的能量耗散率進行了估計，通過改變湍動能方程的上邊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） 。
  7. Road wheel in this paper is created according to gb / t 3487 - 1996 and application of load is simulated the actual situation. msc. patran finished is used to build model of road wheel, divide finite element graticule, apply boundary load, and define material properties, which are submitted to msc. nastran to analyze strength

    本文所使用的車輪是按照輪輞的國家標準而構建的，而載荷的加入是模擬實際情況而添加的，在此基礎上，運用msc . patran ，完成車輪幾何建模，有限元網格劃分，邊界載荷的加入，材料特性的定義，再提交到msc . nastran中進行強度分析。
  8. Road wheel in this paper is created according to gb / t 3487 - 1996 and application of load is simulated the actual situation. ansys finished is used to build model of road wheel, divide finite element graticule, apply boundary load, and define material properties, which are submitted to ansys to analyze strength

    在車輪的構建上，本文採用了三維繪圖軟體ug ，在ug中首先完成車輪幾何建模，然後導入到ansys裏面進行修改並進行有限元網格的劃分，邊界載荷的加入，材料特性的定義，對車輪進行強度分析。
  9. First, the system boundary of machines affecting the shafts, such as the guide bearings, seal, electrical and hydraulic forces, the water in the runner etc, is analyzed. and the mathematic model of the system boundary of the machine is built

    本文首先分析了對機組主軸系統影響較大的系統邊界條件，如導軸承、水封、電磁拉力、轉輪處的水體等，並分別建立了它們的數學模型。
  10. Furthermore, to show the feasibility of our new approach, we briefly discuss the quantization of o ( n ) nonlinear sigma model, classical nonlinear sigma model and gross - neveu model which are constrained on a half line or supplemented by integrable boundary terms in chapter four

    第四章是為了進一步說明我們這一新方法的可行性，又分別對限制於半直線上或附加了可積邊界項的o （ n ）非線性模型、經典非線性模型和gross - neveu模型的自洽的poisson結構及量子化進行了簡單討論。
  11. The hanging wall of sag extended in southeast direction, with the tulage fault being the boundary fault. yinggete - bagemaode metamorphic core complex developed adjacent to northwest of chagan sag, which evolved from late jurassic to cretaceous with three - layer construction style. the kinematics mechanism of metamorphic core complex and chagan sag is a simple shear model, chagan sag extended and faulted as the metamorphic core complex rised

    在查干凹陷西北側發育英格特?巴格毛德變質核雜巖帶，可能具有三層結構模式，其形成與演化時代為晚侏羅世末?白堊紀；該變質核雜巖與查干凹陷的運動學機制為統一的簡單剪切模式；在變質核雜巖隆升的同時，查干凹陷發生伸展斷陷。
  12. Due to the hard core repulsion, the distribution function of electrons was compressed effectively. thus, we hope the new model has different properties from the standard bariev model with open boundary

    由於存在硬芯勢，電子在鏈上的分佈變得稀疏，開邊界的有芯模型具有不同於標準bariev模型的性質。
  13. 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方程及其邊界條件出發，應用無旋磁場的標量磁位概念，建立了端面搖擺式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方面性質，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。
  14. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在理論和應用方面的新成果，探索在水力計算方面的新途徑以促進lb方法實用化的發展，本文進行了下列研究工作：綜述了lb方法在理論研究和實際應用方面的新進展，以及d2q9模型的推導過程和其他一些常用的模型；在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法，它綜合了上述兩種邊界條件的優點，在流場的各種邊界處理中取得了非常好的效果，經過模塊化的處理以後這種邊界條件具有更好的實用性；針對均勻網格的lb方法計算效率較低的不足，提出了雙重網格的latticeboltzmann方法，通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬，證明這種方法能夠明顯地提高流場模擬的計算效率；此外，根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法，利用lb方法的計算特性實現塊與塊之間的數據交換，充分利用計算資源提高計算效率，通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬，展示了這種演算法的特徵和優點，以及它所具有的應用前景。
  15. The research result shows that this physical model is useful to determine the locked area along plate boundary faults and further to make the long term and middle term earthquake prediction

    研究結果表明，運用該模型方法可利用大地測量數據確定沿板塊邊界斷層帶的相對閉鎖區，從而進行中長期地震預報。
  16. 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

    為了求取這個邊界參數，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，以現今地殼結構為約束條件類比古地殼結構，從今至古反演求取了盆地基底的古熱流。
  17. Based on the ostwald - de waele equation, the leakage characteristics of power - law transmitted by helical gear pump are researched, and the leakage model of power - law in the clearence is founded, and - the velocity distributing and the leakage capacity are worked out by the boundary condition. the power loss of leakage is got through the clearence leakage capacity, and the friction power loss is attained by the velocity distributing. the mathematic calculation model

    利用冪律流體本構方程，首次對聚合物流體在斜齒齒輪泵中的漏流特性進行了研究，建立冪律流體在間隙中的泄漏模型，利用邊界條件求出速度分佈及泄漏量；由間隙泄漏量得到漏流損失功率，由速度分佈得到流體摩擦功率損失，並得到間隙最優解的數值計算數學模型，同時給出實例及數值計算結果。
  18. The aerodynamic design of curve of nozzle adopts perfect gas cresco method to calculate non - existence glutinous model surface, the correct boundary layer of the nozzle wall side adopts sivells - payre method, and the calculation of constringency part of the nozzle adopts stock formula

    其中，噴管型面氣動設計採用理想氣體的cresci方法計算無粘型面;噴管的附面層修正採用sivells - payre方法;噴管收縮段的設計採用維托辛斯基公式。
  19. Using results of this paper and thermodynamical bethe ansatz method, one can study the thermodynamics of this model under open boundary conditions

    在本文結果的基礎上，利用熱力學betheansatz方法，可進一步研究此模型的一些熱力學性質，如比熱、磁化率等。
  20. Hence, inherent characteristics of slts, together with diversification regulations of inherent characteristics using different model boundary conditions, are studied employing space beam series fea. taking foundation on analysis, dynamic analysis of slts under earthquake load is done and structure response can be available

    因而以空間梁元有限元法對網架的固有特性進行計算分析，同時考慮各種邊界條件對于結構固有特性的影響，以此為基礎進行動力分析，考察網架在地震作用下的結構響應。
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