耦合道模型 的英文怎麼說
中文拼音 [ǒugědàomóxíng]
耦合道模型
英文
coupled-channels model- 耦 : Ⅰ動詞[書面語] (兩人並耕) plough side by sideⅡ名詞1 (古農具名) plough2 [書面語] (兩人一組) a...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
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Those research results will be applied on some important civil engineering such as china national high level radioactive waste deposal, energy storage project, the deep exploitation of petroleum and gas, and the construction of the exceed deep and exceed long tunnel of “ south to north of water ” project
開展大型材料模擬試驗技術、節理巖體三場耦合理論和關鍵試驗技術的研究,為國家高放廢物處置、能源戰略儲存、石油深層開采、南水北調西線超深超長隧道營建等重大工程服務。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。First, using a kind of realization of yangian of a two angular momentum coupling system, we can work out the quantum states of the h = - s model, a two - lattice physics system whose orbital angular momentum and spin coupled in a special way. then, we select that situation that a orbital angular momentum of any value coupled with another of the value of 1 / 2 as an example, discuss the degenerate states of the model
首先,通過二角動量耦合狀況下的yangian實現來確定模型(一個軌道角動量和自旋角動量以一種特定方式耦合的兩格點物理體系)的量子態,以任意的軌道角動量與1 2的角動量耦合為例,來討論具體到某一量子態下該體系的簡並問題。In the paper, river and the downstream area of dike are regarded as a whole system, and hydraulic model of coupling 1 - d river and gradual dike - break is established, therein the preissmann implicit difference scheme is applied to main river, and the fvm ( finite volume method ) is applied to the breach and polder
本文將河道與堤壩下游區域視為一個整體,對于單一河道採用preissmann四點隱式差分格式計算,對于潰口及圩區採用有限體積法,建立了一維河道與堤壩漸潰耦聯的水力模型,也是一維、二維耦合的水流模型。As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations
數值模擬方面,應用三維湍流n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒流動過程,兩相之間的質量、能量交換由液滴蒸發模型計算,氣相化學反應速率由arrhnius公式計算,通過耦合求解氣液兩相模型方程,模擬了燃燒室三維流場,得到了燃燒室內的溫度和組分濃度分佈。The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade
葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。Working on laser diode fiber - coupling modules was summed up, they are, setting up the model of far - field distribution of laser array and the far - field characteristics of difference structures ; designing the temperature - controlled laser diode fiber modules, that has been used as a laser system with temperature - controlled and fiber - output ; realization with high - brightness laser diode fiber - coupling modules ; the fiber ' s application in the field of high power laser
總結了自己在光纖耦合輸出激光二極體模塊方面所做的一些工作,建立了半導體激光器列陣遠場光束分佈模型,並結合具體參數分析了不同結構的激光器列陣的光束遠場分佈特性,可以知道我們設計和優化激光器列陣的結構。設計並製作了光纖耦合模塊的溫度控制系統,並製作成溫控光纖輸出激光器半導體系統投入使用。Through examination of the recession limbs of the observed hydrographs, during periods with no rain and thus no surface runoff, one can determine the value of. for this catchment, a value of 0. 8 is obtained. the simulated subsurface runoff at each grid is routed to the outlets through a unit - hydrograph method for overland flow and the linear saint - venant equation for channel flow to get the discharge at xixian station
對所研究的流域而言,經過估算消退系數為0 . 8 .耦合著這兩種不同地下徑流機制的clm模型都可以計算出每個網格的地表地下徑流深,採用dag lohman 34 , 35發展的匯流模型進行匯流由於是研究地下徑流,所以取每個網格的地表徑流為0 ,該模型採用單位線計算坡面匯流線性聖維南saint - venant equation進行河道匯流Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed
本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward
從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討,從軌道幾何參數、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了重點分析和總結;應用輪軌系統動力學,建立了輪軌空間耦合振動時變模型,採用vogel側磨指數作為鋼軌側磨指標,系統分析了輪軌參數變化的情況下,軌頭側面磨耗的變化規律,重點分析了軌道不平順對鋼軌不均勻側磨的影響;對山海關工務段1990年以後現場測得的曲線鋼軌側磨數據進行了分析,通過擬合得到了鋼軌側磨量與運量的關系曲線,並總結了曲線上股鋼軌側面磨耗的特徵和發生、發展規律;最後提出了一些減緩曲線鋼軌側面磨耗的措施。Second, we introduce a two - lane traffic model which is based on the ( 0, 2 ) and ( 0, 1, 2 ) models. we mainly study the coupling effect of lanes. in two - lane traffic, vehicles can change lanes and overpass. the interactin between lanes is considered as coupling effect. the computer simulation indicate that ( dthe current of the system with cupling is greater than that without coupling ; 0for a certain initial density, the average flow and speed are indepent on the coupling coefficient which is greater than zero ; when the initial densities ( speeds ) of lanes are different, the characters of traffic system will be different
在單車道模型的基礎上,建立v _ ( max ) = 2雙車道模型,研究車道的耦合效應。雙車道模型中車輛可以進行轉道、超車,兩道之間有耦合作用。模擬結果說明,有耦合時系統的流量比沒有耦合時大;在固定的初密度條件下,只要耦合系數b 0 ,兩道間的耦合強弱對流量和速度無影響;兩道初密度分佈不均勻和速度分佈不均勻都能使交通系統特性發生變化。Associated with a project of the planned xuefengshan tunnel with 7. 6 km long during the construction of shaoyang to huaihua expressway in hunan province of shanghai to ruili national trunk highway, this paper firstly makes an introduction of the frequently - used analysis & computation methods for tunnel supporting structure. then, based on the analysis of the basic theory about the interaction mechanism of surrounding rock and support structure, a spatial computation model is made, a coupling numerical computation method with 3 - d elastic - plastic finite element and infinite element is proposed, and a comprehensive analysis has been made to the effects of the overall stability and safety of the surrounding rocks of different characteristics, different classes and under different construction methods. and thus the problem of 3 - d infinite region to which applying the general finite ca n ' t do has been resolved
6公里的雪峰山隧道工程,首先介紹了隧道支護結構的常用分析計算方法;然後通過對隧道施工過程中,洞室穩定性與支護結構相互作用機理的深入分析,建立了隧道施工過程的空間計算模型,提出了採用三維彈塑性有限元-無限元耦合的數值計算方法,綜合分析了隧道在不同圍巖特性和圍巖類別條件下,以及不同施工開挖方案等對隧道圍巖整體穩定和安全性的影響,從而解決了通用有限元方法難以解決的隧道三維無限域問題;其可充分發揮有限元法在分析非線性方面的有效性和成熟性,以及無限元法在分析處理無限域和半無限域方面的精確性和簡便性,為隧道施工過程中圍巖的穩定性分析開辟了一條新的途徑。By inputting impulsive excitation, the dynamic simulation of vertical wheel / rail force, wheel / rail contact stress and accelerations of axle and bogie frame for resilient wheelset system is carried out and the results are analyzed and compared with the system of rigid wheelset. in additions, the stiffness of rubber is optimized
其次通過輸入脈沖型激擾,對彈性輪對車輛軌道垂向耦合系統進行了輪軌力、輪軌接觸壓力和車軸及構架加速度的動力學模擬,並與剛性輪對車輛的計算結果進行了比較和分析,優化了橡膠的剛度。Based on the analysis of gas - solid multiphase catalytic reaction, the chemical reaction model is established. when the reaction is controlled by the chemical dynamic, the reaction rate is introduced by consideration of the adsorption and desorption effects. when the reaction is controlled by mass transfer, the diffusion coefficient is established which can present the flow rate increases in small reynolds domain ; for the internal diffusion, the internal diffusion coefficient is derived, and then the internal diffusion is coupled with chemical reaction to represent the phenomenon that the diffusion and the chemical reaction occur cocurrently
本文在考慮催化轉化器載體內發生的傳熱傳質現象的基礎上,建立了催化轉化器的一維單孔道和三維多孔道傳熱傳質模型;在分析載體內以氣-固多相催化反應為特點的工作機理的基礎上,建立了催化轉化器的化學反應模型:當催化轉化處于化學動力學控制區時,引入了考慮吸附、表面反應和脫附的表面化學反應速率公式,當催化轉化處于質量輸運控制區時,引入了決定外擴散能力的擴散系數公式和和決定內擴散速率的內擴散系數公式,並與化學反應速率相耦合,得出由擴散過程決定的化學反應速率公式。By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated
根據我國干線鐵路軌道譜,採用三角級數法模擬出干線鐵路和準高速鐵路軌道不平順的樣本函數;根據秦沈客運專線高速試驗段軌檢車資料,採用arma時間序列模型模擬了高速鐵路軌道不平順隨機樣本函數;在既有研究資料的基礎上模擬出各種速度客車構架人工蛇行波;用隨機變量描述道床橫向剛度,並進行了隨機模擬;將振動理論和穩定理論結合建立系統的分析模型和運動方程;根據monte ? carlo法編制了車輛?軌道耦合系統隨機振動分析程序,進行了無縫線路隨機動力響應分析,通過試驗對計算模型、計算方法進行了驗證。In order to understand the key parameter, which influence the vibration isolation efficiency of floating slab track and provide theoretical support for simulation, we analyze the vibration isolation principle of floating slab track. coupling dynamics of vehicle - rail - floating slab - foundation system is calculated using the general software - ansys. the dynamic performances of the floating slab and the efficiencies of the vibration isolation are analyzed in detail
建立了車輛?鋼軌?浮置板?地基二維有限元模型,並採用有限元計算軟體ansys ,對整個耦合系統進行了不同工況下的動力學計算模擬,詳細分析了浮置板式軌道結構的動力學性能和浮置板式軌道結構的隔振效果。But in the process of lessening the decoupling degree, the ranks of equivalent controlled channels will be augmented. thus, the reduced model is exploited in decoupling process in order to resume the plant prosperity which are distorded. it has greatly lessen the difficulty in group decoupling
本文結合生產實踐,在分析系統耦合度的基礎上,利用分組解耦來弱化系統的耦合度,並利用模型降階方法簡化解耦網路模型,較好地解決在逐次弱化過程中使解耦后的等效控制通道的階次增大的問題。Additionally, the mutual coupling characteristic of adaptive antennas is analyzed by mom and equivalent network method, and the data model is built considering the mutual coupling of antennas arrays. the effect of mutual coupling on music algorithm is also studied, and we get a method to find the mutual coupling matrix based on music algorithm. finally, the effects of mutual coupling and rf channel imbalances on td - scdma are investigated, which will provide a reference for system design
最後在矢量通道模型分析基礎上,深入地研究了td ? scdma系統中自適應天線與聯合檢測相結合技術,從系統矩陣和誤碼率模擬兩方面考察了自適應天線對聯合檢測性能的改善,並分析了陣列互耦和射頻通道校準誤差對td ? scdma系統上行性能的影響,為系統設計提供了依據。The level scheme of spin - orbit coupling shell model was calculated
計算了自旋軌道耦合殼模型( spin - orbitcouplingshellmodel )的能級圖。2 based on chapter two and considered the coupled effect of track and soil, the dynamic response of soil under moving load with different soil models, track models and load models have been calculated respectively
2 、以第二章得出的結論為基礎,考慮軌道和地基土的耦合作用,分別計算了不同荷載模型(車輛模型) 、軌道模型以及地基土模型時地基土的動力響應。分享友人