流體動力方程 的英文怎麼說
中文拼音 [liútǐdònglìfāngchéng]
流體動力方程
英文
hydrodynamical equation- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 體 : 體構詞成分。
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
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The stability of the tiltrotor in the heli copter mode is analyzed aiming t a semi span soft - inplane tiltrotor model with an elastic wing
集成了非定常動態人流方程與傾轉過渡狀態的多體動力學力程,建立了傾轉旋翼機時域非定常氣彈耦合分析模型。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
按照冷卻系統工程規范,分標定點與轉矩點兩個工況來檢查冷卻系統的功能和特性,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 )提供邊界條件。Life span of solutions to nonisentropic gas dynamics systems
非等熵流氣體動力學方程組解的生命跨度The three - dimensional primitive equations were derived for ocean in the condition of turbulence, by using the reynods time average method
首先在流體動力學和熱動力學的基礎上,應用雷諾時均方程法,詳細推導得到海水在湍流狀態下的三維原始方程。The purpose of this dissertation is to study the lagrangian method and conservative rezonning algorithm. finite volume scheme is used for lagrangian equations of hydrodynamics. because of the pressure gradients " influence upon velocities and energy, computational scheme is proposed for momentum equation on two control volumes in order to suspend the time when the mesh becomes distorted
本文的目的是研究lagrange方法及重映演算法,主要內容可分為以下幾個方面:首先從積分形式的二維lagrange流體力學方程組出發,用有限體積格式進行計算,考慮壓力梯度分佈對速度和能量改變的影響,構造了在兩個控制體上的動量方程的計算格式,使得速度的改變受其周圍八個壓力的影響,在一定程度上推遲了網格相交的進程。Development of the fundamental equations of fluid mechanics and their simplifications for several areas of marine hydrodynamics
對海洋流體動力學的數個領域發展基礎流體力學方程式及其簡化方程式。The course begins with the basics of compressible fluid dynamics, including governing equations, thermodynamic context and characteristic parameters
本課程從可壓縮流體動力學的基礎開始講起,內容包括控制方程,熱力學背景知識和特性參數。Computer fluid dynamics ( cfd ) is adopted to simulate the flow fields of catalytic converter while researching the working process of emission postprocessor. the velocity field and pressure field of exhaust gas are obtained. methods of structural optimization of catalytic converter for improving gas flow and conversion efficiency are proposed
本文在汽車排氣后處理裝置工作過程研究方面,運用計算流體動力學軟體,對催化轉化裝置氣流場開展了模擬,得出了氣體速度場和壓力場的分佈情況,提出了以改善氣體流動和催化轉化效率的催化轉化裝置結構優化的方案。This thesis researches on the stability of fibre suspensions applying theoretical, numerical and experimental methods. first the linear stability analysis is performed to fibre suspensions utilizing flow stability, slender - body and orientation tensor theories. the governing equations of channel and pipe suspensions of different stability handling modes and tensor closure approximations are derived
首先綜合應用流體動力穩定性理論、細長體理論以及纖維方向張量工具,對纖維懸浮流進行線性穩定性分析,推導槽流和管流的穩定性方程,並對槽流導出在不同的穩定性分析模式以及不同的方向張量封閉格式下的多種形式方程。A general reynolds equation based on er fluid model is obtained, which can be easily extended to other non - newtonian fluids and this equation can provide theoretical basis for the hydrodynamic analysis of er journal bearings
首次推導了基於電流變流體的潤滑問題廣義雷諾方程,並可擴展到其他非牛頓流體的潤滑問題,為進行基於電流變流體的滑動軸承流體動力潤滑分析提供了理論依據。To solve the navier - stokes equation, we discrete the water domain into triangular meshes and use a powerful numerical tool named finite volume method
我們借用計算流體動力學中的數值分析工具,對淺水波方程進行數值求解。採用有限體積法求解方程,解穩定並且效率高。In the aerodynamic optimization design of turbomachine, the approximation model methods enable to balance the computational cost and accuracy, whose successful applications in centrifugal compressor impeller, diffuser, and mixed - flow pump impeller designs are introduced to show a wide engineering foreground
基於統計學理論提出的近似模型方法有效地平衡了基於計算流體動力學分析的葉輪機械氣動優化設計中計算成本和計算精度這一對矛盾,在離心壓氣機葉片擴壓器、葉輪和混流泵葉輪設計等問題中得到了成功應用,展示了廣闊的工程應用前景。Interface capturing method for multi - fluid flow, which smear out the tangential discontinuity, is developed to simulate the compressible flow. the multi - fluid problems can be transformed to a single - fluid to resolve, using the fluid dynamic conservative equations coupled with the interfaces capturing equations, and any of stability and non - oscillation scheme for the whole computational region. the two schemes mentioned above are better
給出的方法具有以下特點:引入界面捕捉方程將切向間斷抹平,形式上將多流體計算轉化為單一流體計算,數值計算通過解流體動力學和界面捕捉耦合方程組來實現,可以應用的差分格式是任何一種穩定和不產生非物理振蕩現象的差分格式,前面提到的兩種格式只是其中效果比較好的格式。Base on the kinematics relation of ctp, the corresponding reynolds equation or average reynolds equation, fluid film thickness equation under qusi - stable state in polar coordinates, balance equations of load and moments under full - film contact and partial - film contact states were set up respectively. these model equations were calculated by the finite difference method, and the instantaneous 3 - d distribution of fluid pressure and the slurry film was simulated by the matlab software
根據ctp的運動關系,分別建立了極坐標下,全膜接觸工況時的非穩態牛頓流體在ctp過程中的一般reynolds方程、流體膜厚方程、載荷平衡方程和轉矩平衡方程,以及部分膜接觸工況下的平均reynolds方程、平均膜厚方程、接觸壓力方程、總載荷平衡方程和總轉矩平衡方程。Yale engineers who study both flow hydrodynamics and how bacteria propel themselves report that one reason for the high incidence of infections associated with catheters in hospital patients may be that some pathogenic bacteria swim " to the left, " in a study published in physical review letters
《物理評論快報》出版發行了一項研究,研究細菌流體動力學及如何運動方面的耶魯大學工程學家報道說,住院病人導尿管高感染發生率原因可能是因為致病菌「向左游」導致。Local discomfort is an important reason of human discomfort in winter air condition room. basis of the method of computation fluid dynamics, through phoenics computation simulation, with the premise that flow and temperature distribution is basically consistent, the article further analyzes the distribution regulation of indoor parameters in air condition room and reflects the characters which ca n ' t give out and reveal only by experience and practical measurement on the spot. at the same time, it provides some very excellent forecast and evaluation methods by use of cfd
由於冬季空調房間的熱特性的影響,局部不適是冬季空調房間內的人體不舒適的重要原因,基於計算流體動力學方法,通過phoenics的計算模擬,在流動和溫度分佈的基本規律相符的前提下,進一步細化了空調房間室內參數分佈的規律性,反應了僅憑經驗和現場實測所不能給出和揭示的特點,同時運用cfd工具為工程實踐提供了很好的預測和評價手段。( 2 ) the foil bearing is treated as a continuous flexible surface which is supported on an elastic foundation. the stiffness and damping of the film are assumed to be liner and constant everywhere. the fluid is modeled by using the reynolds equation for a compressible gas
( 2 )建立了具有線性結構剛度和阻尼的彈性箔片軸承模型,並對這一彈性流體動力潤滑( ehdl )問題建立了由非定常可壓縮雷諾方程和彈性箔片平衡方程及其邊界條件組成的控制方程。This dissertation makes use of all data which would be gained, such as tectonics, sedimentation and stratum, etc., using new theories and methods of fluid history and pool analysis for petroleum basin, petroleum hydrodynamic system, fluid chemistry, etc., considering dynamics and evolution, and systemic studies the dynamic process of petroleum creating, migration and accumulation, and analyzing the rules. at the same time, by integrative analyzing of petroleum fluid system in the tuha basin, we research the fluid properties of the jurassic petroleum hydrodynamic system in the taibei depression
本文充分利用盆地構造、沉積、地層、有機質等演化歷史的研究成果,應用「含油氣沉積盆地流體歷史與油氣藏形成分析」 、含油氣流體動力系統、盆地流體化學與動力學等新理論、新方法,從演化和動態的角度,系統研究油氣的生成、運移、聚集等成藏動力學過程;以及在成藏動力學過程中流體化學與動力學在地質體中的記錄,分析、預測油氣的運移、聚集規律。2 ) a computational procedure is proposed to solve the interaction problem of elastic structure and fluid. little simplification of fluid is carried out. the coupling algorithm solves the equations for the fluid and solid domains independently of each other
2 )在計算流體動力學( cfd )的基礎上,發展了一種流固耦合計算模式( fsi ) ,流體為粘性介質,採用ale格式處理流體和結構之間的移動界面,流體域和固體域分別獨立計算,程序控制傳遞流體壓力及固體位移和速度作為對方的邊界條件,實現耦合計算。To use the dynamic mesh model, it is necessary to provide a starting volume mesh and the description of the motion of any moving zones in the model. this paper describes the motion using a c program, a user - defined function ( udf ), to calculate the linear and angular velocities from the force balance on the store
與此相映,動態網格計算技術是最近兩年計算流體動力學最新發展成熟的重大成果,並且在先進的cfd計算軟體中得到了實際的應用,開始為計算飛機投彈之類復雜相對運動造成的時變流場等領域提供了實際可行的工程方法。分享友人