邊界條件系統 的英文怎麼說

中文拼音 [biānjiètiáojiàntǒng]
邊界條件系統 英文
set of boundary 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...
  • : 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
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  • 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. 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,為更好地描述製冷運行的全過程奠定基礎,同時也為製冷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,可以計算不同和初始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。
  2. 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影響較大的,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。
  3. 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誤差;用鏈節間相互作用能、面吸附能、體相濃度和鏈長約束體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-生長法對模擬體進行擾動;用達到吸附平衡后的樣本來研究模擬體中的高分子鏈在固液面上的吸附。
  4. 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中的慢波,考慮到目前大部分高功率微波器的慢波多採用圓柱周期結構,在論文第四章中,在圓柱坐標下,給出了差分方程和周期性的具體形式,同時編寫程序,分析了milosws ,盤荷慢波結構的色散特性。
  5. ( 3 ) temperature field and residual capacity of reinforced concrete member after fire studied by the numbers, various boundary conditions of heat exchange equation and the solutions of them given an account, the formulae of the residual capacity of the members after fire established, the program of temperature field programmed on the basic of finite difference algorithm, a case given to demonstrate

    ( 3 )對火災后構溫度場的分佈和剩餘承載力的計算進行了地分析和研究。討論了熱傳導方程的各種及相應的解法,建立了不同構的剩餘承載力計算公式,並結合工程實例用有限差分法編制了相應的溫度場計算程序,與實例吻合良好。
  6. According to the engineering criterion of the cooling system, the function and the characteristic of the cooling system are checked at the case of rating and torque, thus two schemes are compared to select the better one, and also the boundary condition for further computational fluid dynamics ( cfd ) analysis is provided

    按照冷卻工程規范,分標定點與轉矩點兩個工況來檢查冷卻的功能和特性,以比較兩種結構方案的優劣,也為下一步進行計算流體動力學分析( cfd )提供
  7. The force control of suspension bridge anchorage cable is the main contents which will be researched. according to the character of suspen - sion bridge anchorage, three questions is solved in this paper on the basis of the construction control experience of the highway bridge of yichang yanzhi river. firstly, an effective method of cable force control is presented in this paper, which has settled the puzzle of cable force accurate operate through fixing a pressure transducer at the behind of the hydraulic jack. secondly, an exactitude calculation model is founded in this paper. in addition the influence of boundary condition, sag, inclination, flexural rigidity and environment temperature to the cable vibration frequency which make the frequency method could be used to the measurement of cable force. in the end of this paper, a control system of anchorage cable force is developed on the basis of the above research. this system is very steady, credible, high precision and convenient. it is a new and credible method to be used to the force control of sus - pension bridge anchorage cable. in this paper, the conundrum of cable force control has been solved. the fruits are very useful to the development of inland suspension bridge

    提出了一種有效可行的錨跨張力控制方法,即通過在油壓千斤頂后加壓力傳感器,並利用單片機技術進行數據採集,解決了懸索橋錨跨索股初張力精確控制的難題;建立了錨跨索股索力的精確計算模型,分析了索股的、斜度、垂度、抗彎剛度及環境溫度對索股頻率的影響,解決了弦振法在大跨徑懸索橋索力測試中的應用問題;在上述研究成果的基礎上,研製出了錨跨張力控制,該具有穩定可靠,精度高,使用方便等特點,它的投入使用將為我國今後大跨徑懸索橋錨跨張力控制提供一種全新的、可靠的手段。
  8. Based on the surface runoff and sediment load and changing characteristic of river boundary in different period in the lower yellow river, the regulating mechanism of cross section and riverbed withered and its influence to the flood propagation were researched systematically

    基於不同歷史時期黃河下游水沙和河道變化特點,研究了斷面調整機理及河道萎縮及對洪水演進特性的影響。
  9. Therefore, this paper studies three kindsvalves such like bufferfly valve, brake valve and ball valve, with the numerical simulation method by cfx which is often used to simulate the fluid. by the simulation of three kinds of valves, we can kown dynamic characteristic of them. in this paper, i not only simulate for three kinds of valves, but also analyse cause of flow - noise and give respectively mathematical model of main noise sources in piping system such as pupm and valve

    本文通過cfx軟體,用數值模擬的方法,對海水管路中常見的三種閥門(蝶閥、閘閥、球閥)流動特性及噪聲進行了模擬分析,闡明閥門噪聲產生的機理,建立了泵和閥門等噪聲源的數學模型,並對管路中涉及到的做了適當的處理,分析了閥門下游的渦聲。
  10. This paper studied two - dimension model of rotor and cylinder and builded the finite element model. generally take the rotor and the cylinder as control objects , definite their boundary conditions , solute their temperature fields , and then analyst their bear expansions and distortions as well as thermal stress distribute , to control the courses , and keep the unit the most optimum operating condition. and put the theories into practice developed by c + + program, used as the important part of the online monitoring and management system of life of the steam turbine

    本文對汽輪機轉子和汽缸的二維模型的進行分析,建立有限元模型;將汽輪機轉子和汽缸作為控制對象,確定其,求解其溫度場,分析其熱膨脹、熱變形以及熱應力分佈;採用c + +語言編制汽輪機高壓缸、中壓缸以及缸體的溫度場實時在線監測程序,作為汽輪機壽命在線監測與管理的核心部分,用以指導汽輪機的啟停及運行過程,使機組可以安全的、經濟的運行。
  11. By using auto - adjusting boundary conditions and the method of three cubed spline curve fitting, the system software can recover both of the horizontal and vertical beam profile. the measurement system can also measure the beam landing screen error of cpt. it provides a important measurement and analysis tool to improve the performance of electron gun and dy, and improve the definition of cpt

    軟體中,提出了採用動態確定,通過對離散采樣點的三次樣插值曲線的擬合恢復束斑x和y方向的輪廓,本既能準確客觀地描述電子束輪廓,又能夠準確快速地測量電子束著屏誤差等多種參數,為cpt電子槍和偏轉的性能改進與解析度的提高提供了有力的測試分析和研究手段。
  12. This system has the friendly windows for dialogue between person and machine, can draw and label the plan of each roll groove with the way of parameterization drawing, under the condition that giving the size of the rough blank the specifications of the finished product and the technical parameters of the roll, selecting the minimum consumption as the target function, adopting the optimization, adopting the boundary condition of the grip the strength of roll and the check of the power - generating. moreover, the plan can be outputted in the software of autocad

    具有友好的人機對話面,可以在給定坯料尺寸、成品尺寸和軋機技術參數的下,以能耗最小為目標函數,採用最優化方法,在滿足咬入、軋機強度校核、電機校核等下優化設計出最優的孔型,採用參數化繪圖方法將優化設計結果繪製成孔型圖並進行標注,最終可以向autocad繪圖軟體輸出。
  13. The net collocation point method with spline function is proposed to derive the formulation system of stochastic buckling analysis for cylinderic shells under various boundary conditions

    提出了樣函數的網狀配點法,推導了不同下圓柱殼屈曲的隨機分析公式
  14. The fatigue accumulation damage of the component has something to do with its model, different model causes different damage speed on the component which will show different magnetic memory characters. the paper build the mathematics model of wave shape of orders con - wave and accumulation damage distribution on several boundary conditions, combining theory deducing, simulation analysis and experiment validation, deducing the relation among fatigue accumulation damage degree, damage speed and magnetic memory characteristic parameters

    振動構疲勞累積損傷與振型有關,不同振型引起的損傷速率不同,具有不同的磁記憶特徵。本文將理論推導、模擬分析和實驗驗證相結合,建立多種下的各階諧波波形與累積損傷分佈的數學模型,推導疲勞累積損傷度、損傷速率與磁記憶特徵參量的關,並利用模擬試驗驗證和完善,實現利用磁記憶方法對這類累積損傷構進行早期診斷的目的。
  15. Through the choice of combustion controlling equation, the close of equation group and the decision of boundary condition, it completely introduces the numerical simulation theory with flame combustion on the heating furnace for carrying crude oil

    通過燃燒控制方程的選用、方程組的封閉以及的確定,介紹了原油輸運加熱爐煤氣有焰燃燒數值模擬的理論基礎。
  16. To solve the heat transfer boundary problem among the piston, liner, coolant and body parts, especially the temperature and heat transfer among the coolant, liner and body

    摘要為解決發動機活塞組缸套冷卻水機體之間傳熱難以確定的問題,尤其是冷卻水和缸套、機體之間的流固的溫度和換熱數,將這幾個部作為一個耦合進行傳熱研究。
  17. 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約束的的量子化問題時,總是存在著不可避免的閑難或弊端。
  18. The boundary conditions considered may be assumed to be on simple supports with torsional springs at both ends, which is an appropriate assumption to the real constraints

    利用得到的頻率方程,通過數值方法解出的前兩階固有頻率隨軸向速度變化的情況,並導出了的前兩階復模態函數。
  19. In the paper, in accordance with the thermal power torpedo propulsion system using hap tri - component fuel, with the i - deas software, applying the cad technology and the fem, the research of simulation on the piston - one of key parts of engine was proceeded and the paper presented the whole analysis process of the piston including thermal analysis. in the paper, the question of the boundary condition in the complicated engineering was explored and the temperature field. the stress field and the deformation of the piston were computed and analyzed under a new kind of fuel ( hap )

    本文針對三組元魚雷熱動力,應用i - deas軟體,利用cad技術和三維有限元方法( fem ) ,對發動機的關鍵零? ?活塞展開模擬研究,對活塞進行了包括熱分析在內的全過程的模擬計算,探索了復雜工程中的處理問題,分析計算了魚雷發動機活塞在新型燃料(三組元燃料)工作下的穩態溫度場、應力場與變形情況,最後,根據分析結果對其結構提出了改進意見。
  20. The flexible retaining structure is another important retaining structure in soft soil. the integrated numerical analysis of this retaining structure ( including the methods and theory of calculating active earth pressure under sorts of conditions as well as the calculating method of horizontal stiffness coefficient of bracing structure and the method of deciding boundary condition etc. ) was gived. the effect of all parameters on the characteristics of retaining structure was discussed using methods of sensitivity - analysis

    本文針對目前常用的彈性支點法,給出了完整的數值分析方法,包括各種下的墻後土壓力的計算方法和原理、支撐(或錨拉)水平剛度數的計算、的確定方法等,並以此為基礎採用靈敏度數分析方法討論了各參數對圍護結構形態的影響,指出土體側向基床比例數是影響圍護結構變形的最主要的參數。
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