非水動力條件 的英文怎麼說

中文拼音 [fēishuǐdòngtiáojiàn]
非水動力條件 英文
non-hydrodynamic condition
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : 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...
  • : 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
  • 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
  1. 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;在邊界和通用邊界的基礎上提出了一種新的聯合邊界方法,它綜合了上述兩種邊界的優點,在流場的各種邊界處理中取得了常好的效果,經過模塊化的處理以後這種邊界具有更好的實用性;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、后臺階流和渠道方槽流三個算例的模擬,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。
  2. It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    在心臟機械電反饋的研究中準確控制機械刺激是常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓鉗系統.該系統通過計算機控制壓鉗,不僅能模擬正常生理下左心室的壓波形,還能在心室活周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相作電位記錄、心室壓鉗制與測定等多種功能於一體,特別適用於器官平上觀察機械電反饋現象並探討其機制
  3. Abstract : it is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    文摘:在心臟機械電反饋的研究中準確控制機械刺激是常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓鉗系統.該系統通過計算機控制壓鉗,不僅能模擬正常生理下左心室的壓波形,還能在心室活周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相作電位記錄、心室壓鉗制與測定等多種功能於一體,特別適用於器官平上觀察機械電反饋現象並探討其機制
  4. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並持續保持淤積狀態,在特定的來來沙、邊界和海洋下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉積分配的過程來看:三角洲與濱海區泥沙的沉積變化趨勢是基本一致的,各部位的泥沙沉積比例變化基本呈波狀態,且三角洲與濱海區泥沙的沉積比例與來沙量密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: (一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式,據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 )本項研究首次論證了河口三角洲岸線態平衡的概念,並建立了黃河河口來沙量與造陸面積的相關關系,得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于態平衡狀態的重要結論; 『 6 )本項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。
  5. According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger

    運用牛頓流體學理論和數理方法,結合抽油泵柱塞運特點,假設液體為不可壓縮的,液體在縫隙中流半徑很小,呈層流流,柱塞在每一位置的瞬間,流做定常流處理,建立了泵筒與柱塞同心和偏心兩種情況下運方程和邊界,引入無量綱坐標、無量綱速度和柱塞與泵筒偏心配合時的縫隙高度,並給出縫隙流流速、流量的解析解。
  6. 3. for the two - region model of one - dimensional solute transport through heterogeneous soils considering scale - dependent dispersion and immobile region under steady state flow, the numerical model is obtained by characteristic finite element method

    對于穩態下,均質土壤中考慮彌散尺度效應以及不體存在時,一維溶質運移的兩區模型,建立了相應的特徵有限元數值模型。
  7. Using the two - site kinetic sorption model and the two - region model, cadmium transport in field soils was simulated, the average of the numerical solution of cd transport at every soils sample was obtained and the spatial distribution of cd concentration was computed

    用基於土壤學和溶質運移的物理、化學平衡模型的數值模型,模擬了污淹灌下鎘在試驗小區土壤中的運移態,獲得了鎘在土壤中淋溶的空間分佈。
  8. 3d nonlinear finite element method, compatible displacement method of different mesh and response spectrum of mode - superposition are used to analyze the intake tower - intake slope static and dynamic interaction, since the complexity of geologic structure. the rational results provide a feasible way for the similar projects analysis in the future

    論文採用三維線性有限元法、一致網格位移協調解法、振型分解反應譜法對復雜地質下的百色電站進口邊坡與進塔的相互作用進行了靜、分析,得出了一些合理的結論,為今後類似的工程計算分析提供了一種可行的方法。
  9. The project studied the direct contact condensation behavior of saturated steam on the subcooled liquid in passive gravity injection system. the experiment parameters were as follows : the initial pressure of prz ranged from 0. 2 0. 6mpa and the initial fluid temperature of core makeup tank ranged from 10 80. condensation phenomenon in cmt was observed

    本課題進行了系統中飽和蒸汽在過冷液面上直接接觸冷凝的實驗研究,研究了在加裝遮流板時,系統壓0 . 2 0 . 6mpa , cmt初始溫度為10 80下壓容器cmt中飽和蒸汽在過冷液面上冷凝的瞬態特性。
  10. Thirdly, the method to calculate the 3 - d dynamic responding of layered transversely isotropic saturated soils to an arbitrary buried source in cylindrical coordinate as well as to an arbitrary harmonious source in rectangular coordinate is presented respectively. based on biot ' s wave theory, the 3 - d wave equations in cylindrical coordinate for transversely isotropic saturated poroelastic media are transformed into a group of governing different equations with 1 - order by the fourier expanding with respect to azimuth and hankel integral transform method or by the double fourier transform method with respect to horizontal coordinates in rectangular coordinate. then, transfer matrixes within layered media are derived under the continuous conditions, drainage conditions and the boundary conditions

    基於飽和土的biot波理論,通過fouricr變換,將橫觀各向同性飽和土三維軸對稱波方程轉化為一組一階常微分方程組,再經har止el變換,建立問題的狀態方程,求解狀態方程得到傳遞矩陣;利用傳遞矩陣,結合飽和層狀地基的邊界、排及層間接觸和連續,首次給出層狀橫觀各向同性飽和地基在任意地展作用下的三維軸對稱響應的解析解。
  11. Through the non - linear fem static and dynamic analysis of the rcc gravity dam of kelashuoke reservoir by ansys, the deformation and stress law of dam body and its foundation under various working conditions is studied so as to get to know the working situation of the dam body and foundation rock under design conditions and to evaluate the reliability of the dam construction scheme

    摘要採用美國ansys結構分析軟體,通過對喀拉朔克庫碾壓混凝土重壩方案進行線性有限元靜分析,研究探討了壩體及基礎在各種工況下的變形和應規律,以了解壩體和基巖在設計下的工作形態,對方案的可靠性進行了評價。
  12. In the end, in view of the fact that boussinesq - type equations and the mild slope equations are deduced from different hypothesis conditions and behave differently in simulation of wave propagation, the numerical results of wave propagation effected by strong non - linearity are given by the nonlinear three - dimensional mathematical model which was established for the calculation of 3 - d wave particle velocity and wave pressure and suitable to small size waters of arbitrarily varying depth

    最後,鑒于boussinesq型方程和緩坡方程是在不同的假設下推導而來,應用於描述近岸域波浪的傳播變形時具有不同的特點。本報告根據作者所建立的可以對任意深點流場與波凈壓場進行求解、適宜深任意變化線性波傳播的數學模型,提供了在較強線性作用下波浪傳播的數值模擬結果。
  13. The surface panel method has been applied to predict the hydrodynamic performance of highly skewed propeller. the surface of propeller and its trailing vortex are discreted by a number of small hyperboloidal quadrilateral panels with constant source and doublet distribution. for highly skewed propeller, the conventional method generating grid oriented along constant radii will result in a high aspect ratio and a high skewness and a twist panel near the propeller tip on blade surface, which result easily in incorrect calculation results of velovity on blade surface, even in iteration divergence and calculation failure. a “ non - conventional grid ” is developed to acoid these problems. this grid can effectively solve the problem of the calculation and convergence for highly skewed propeller. the non - linear kutta condition of equal pressure on upper and lower at the trailing edge is executed by the iterative procedure. by sample calculating, the obtained results are satisfied the experimental data

    採用面元法預報大側斜螺旋槳性能,螺旋槳表面及尾渦面離散為四邊形雙曲面元,每個面元上布置等強度源匯和偶極子分佈.對于大側斜螺旋槳而言,槳葉表面採用常規的等半徑網格劃分方法在近葉梢處將導致大展弦比、大側斜和扭曲面元,這容易使槳葉表面速度的計算結果不正確,甚至會導致迭代過程發散及計算失敗.文中建立了一種「常規網格」劃分方法,能有效地解決大側斜螺旋槳的計算和收斂問題.槳葉隨邊處通過迭代實現線性等壓庫塔
  14. However, for the same river, the obvious regularity exists in critical starting condition and the physical and mechanical indexes : the critical starting condition of the muddy cohesive soil increases with the decrease of the shear strength and decreases with the increase of the moisture content ; the critical starting condition of silty clay is the minimum, and the relation of the clay, the shear strength and the moisture content is nonlinear ; and the critical starting condition of the cohesive soil increases with the increase of the shear strength and the moisture content

    而對同一河流而言,起臨界與物理學指標之間則存在明顯的規律性:即對淤泥質粘土,起臨界隨抗剪強度的減小而增大,隨含量的增大而減小;粉質粘土的起臨界最小,與抗剪強度、含量呈線性關系;粘土起臨界則隨抗剪強度、含量的增大而增大。
  15. The following are 8 important strategic measures in it : speed up the development of greenhouse - agriculture of raise the level of agricultural intensification ; lay stress on the development of husbandry and cultivate agricultural propping industries ; emphasize processing of resource products to put forward the agricultural industrialization ; develop labor services to transit farm labors ; strengthen the construction of small towns ; carry out agricultural technology ; quicken the construction of ecological demonstrating areas ; improve productive condition of agriculture and ecological environment ; continue reforms in countryside and perfect the economic system in countryside

    以加快發展萬元田棚園區,提高農業集約化平;突出發展畜牧業,培育農村支柱產業;重點發展資源產品加工業,加快推進農業產業化、工業化進程;大發展勞務經濟,促進農村剩餘勞農化轉移;大加強小城鎮建設,提高農村城鎮化平;深入開展科技興農,提高農業科技進步貢獻率;加快生態示範區工程建設,改善農業生產和生態環境;繼續深化農村改革,完善農村經濟體制等八項內容為戰略重點。
  16. ( 2 ) some studies are made for the subject of various effects on wave propagation and ground motion of multi - dry, multi - saturated, and alternate dry and saturated soil layers. a comprehensive computer program is compiled, accounting for soil dilatancy, linear and non - linear constitutive relation, rigidity degradation and suiting to any combinations of soil layers, dry and / or saturated with different thicknesses, properties, continuity conditions at interfaces, and inputs at base and top boundaries. from the numerical results obtained for a quite large number of typical cases, some knowledge of general trends of response for, especially, the cases of alternate dry and saturated soil layers are gained both quantitatively and qualitatively

    ( 2 )對不含土層分層排列、飽土層分層排列、不含土層與飽土層分層交錯排列情況下對波傳播和地面運的影響做了一些研究,考慮到土壤的剪脹性、線性和線性本構關系,剛度退化等因素,編制了可適用上述各種情況和任意多土層(包括含或不含學性質不同、厚度不同、邊界連續不同等) ,在不同基底輸入或上邊界輸入作用下的通用分析程序,通過對相當數量的典型情況進行的分析計算,得到了一些趨勢性的認識,特別是對飽與不含土層分層交錯情況,取得了一些新認識。
  17. Main propulsion equipments have been gradually improved. in addition, some additional systems are provided, such as the power station, deck machinery, refrigeration and air condition plant, freshwater generators, drinking water system, steam generating system, ballast and bilge system, and fire fighting system. the management of ship ' s power plant is also known as the engineering management, which is supervised and controlled by the engine department under the direction of the company ' s engine technology management department of the headquarters. owing to the complexity of power plant, the changeability of navigational conditions, and the seriousness of accident ' s consequences, it is essential to explore how to manage the power plant economically and reduce the occurrence of troubles so as to raise the shipping efficiency

    隨著科學技術的發展,不僅推進設備逐步得到完善,而且還增設了諸如船舶電站、起貨機械、冷藏和空調裝置、制淡裝置以及飲、蒸汽、壓縮空氣、壓載、艙底、消防等系統。船舶裝置的管理即輪機的管理,是在船公司機務部門指導下由船上輪機部具體負責實施。因為船舶裝置的復雜性、船舶航行的多變性、發生事故後果的嚴重性,所以探討如何對輪機進行經濟性管理,減少故障,從而提高船舶的營運效率常重要。
  18. In view of geological and hydro - geological situations of the south anchor runyang yangtze river highway bridge, the paper bring forward mathematical model and calculation method of double deck structure groundwater, which can be used to lively calculate every layer ' s water table, so that we can realize every layer ' s settlement calculation and control ; establish the inter relationship between non - linear physical - mechanics parameter and hydro - geological parameter, objectively describe the non - linear change process of the porosity, hydraulic conductivity, specific storativity in the process of soil dewater and concretion

    針對潤揚長江公路大橋南錨場地地質、文地質提出了雙層結構地下的數學模型和計算方法,該方法可以實時計算出各分層的地下位,實現了各分層沉降計算與控制研究;建立了土層線性物理學參數與文地質參數之間的內在聯系,客觀地描述土層降? ?固結過程中孔隙度、滲透系數和貯率等參數線性變化過程。
  19. The strain softening of dam body and foundation is the necessary condition for dam instability. according to observation data of dam cracks, a gray cusp catastrophe model is established to judge the stability of the crack. according to the slope observation data of a certain hydropower plant, a nonlinear dynamic model is developed by means of reversion and the lyapunov exponent spectrum, and the lyapunov information dimension are calculated for judgement of the stability of the slope

    ( 5 )基於變分原理,研究建立了能量形式的失穩準則,並說明壩體、巖基的材料具有應變軟化的性質,是大壩失穩的必要;並利用大壩的裂縫實測資料,建立了相應的灰色尖點突變模型,由此判斷裂縫的穩定性;根據某電站庫區滑坡體的變形實測資料,反演其線性學模型,進而計算lyapunov指數譜、 lyapunov信息維來判定邊坡的穩定性及穩定程度。
  20. With the operation conditions, the adsorber, the evaporator, the condenser, the receiver and the throttle are disigned. the adsorber is of the most importance in the adsorption system, so we provide the non - dynamic equilibrium model of active carbon fibre ( acf ) - methanol adsorption refrigeration pair. the numerical simulation is carried out based on the recorded solar radiation data measured in nanjing and daily ambient temperature for the typical clear days. the temperature field, the pressure field, the methanol concentration and the temperature of evacuted tube, and water tube are caculated

    吸附床是吸附製冷系統的核心,本文以活性炭纖維?甲醇為工質對,建立了吸附床態平衡吸附傳熱傳質數學模型,以南京夏季典型一天中的輻射強度和環境溫度為,模擬計算了吸附床在通冷卻和自然冷卻兩種狀態下,吸附床內各點壓、溫度、吸附率、吸附總量及真空管和冷卻管壁溫隨時間變化關系。
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