水動比擬 的英文怎麼說

中文拼音 [shuǐdòngbǐnǐ]
水動比擬 英文
hydrodynamic analogy
  • 水 : 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...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 比擬 : 1 （比較） compare; parallel; draw a parallel; liken; match 2 （一種修辭手法; 把人擬作物或把物擬...
  1. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎，利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播，採用了顯式差分方法（中心差分法和newmark常平均加速度法結合）和透射邊界，通過比較利用幾種差分格式求解的加速度結果，發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用，分別編制了體波（ p波或sv波） 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  2. As a mechanical analogy, we can think of pebbles dislodged from a beach by water waves.

    作為一種力學比擬，我們可以想象海灘上被水波移動的卵石。
  3. Thirdly, the correlative coefficient is computed between the pressure fluctuation signal of draft tube and the displacement signal of upper guide bearing, the thrust bearing and the head cover, with this the conclusions on the shafts response due to pressure surge in

    並與模型尾水管壓力脈動試驗結果進行對比?結合流動模擬試驗以及動力特性計算結果，全面分析?評定機組的實際運行狀況，劃定運行區域，為電站合理調度
  4. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平，本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案，第一種方案將尺寸鏈中各組成環能取的極值組合起來，自動列方程組，求解每個組合情況下的封閉環尺寸，最後比較這些結果，得出封閉環的最大最小值；第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影，之後再分析各尺寸環投影分量的增減性，並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法，綜合組成環各投影分量的增減性，然後自動列出方程組，最後根據各組成環的投影分量以及所列的方程組來確定尺寸鏈封閉環的尺寸；第三種方案以蒙特卡洛法為原理，在尺寸鏈各組成環的取值范圍內使用計算機產生大量隨機數，模擬實際大批量生產中的零件尺寸分佈情況，以更經濟更合理的方式分析、計算封閉環尺寸。
  5. Mesoscale model simulations have been performed of a severe thunderstorm that occurred on 22 - 23 august 2001 in huabei area in china. combing with satellite, doppler radar images and general weather observations, the evolution mechanism of the severe thunderstorm is analysed with emphasis on the orographic effect of taihang mountain

    將模擬的雲、風、壓場和降水與實況資料進行對比檢驗，在控制模擬效果較為理想的情況下，結合衛星、 doppler雷達觀測和常規天氣資料，對整個對流風暴的發展演變過程進行分析，並著重對強對流風暴發生演變的熱力、動力機制以及重力波特徵進行了研究。
  6. The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces

    應用所開發的求解器，以naca0015翼型舵為算例計算了船舵在不同雷諾武漢理三;大學博士學位論文數下大舵角范圍內的三維粘性流場及水動力，成功地預報了舵的失速角和最大升力，並初步探討了雷諾數對舵水動力的影響;計算結果與現有試驗和計算數據比較，吻合程度相當好，初步檢驗和驗證了該求解器精確模擬粘性流動和計算水動力的能力。
  7. So the topic for farther discussion will be developed on the ground of soil - foundation - structure interactions, and em phasizes particularly on the investigation for dynamic effects on interaction of pile - supported structures subjected to lateral seismic load at layered - soil media. it will provide engineering application with practical and concise computational method, but also provides the aseismatic design for pile - supported structures with proper theory foundations and schemes to some extent on condition that definite codes are absent at present. the full article is divided into six chapters, as follows : 1

    本論文工作將圍繞地基-基礎-上部結構共同作用這一課題作進一步探討，側重於水平地震作用下層狀地基土中的樁基-建築物的動力相互作用的研究，為實踐應用提供了適合於工程目的的、比較簡捷的實用計算方法，亦擬為沒有明確規范指導的樁（土）基礎-結構抗震設計提供一定的理論依據和設計建議。
  8. Aiming at the conveying - alcohol pipe system of a certin model gas generator in our school rocket engine field laboratory, this paper does a series of simulation studies using amesim, analyses and summarizes the results of simulations, and at the same time implements some waterhammer experiments, and compares the results with the ones of simulations

    本文針對我校火箭發動機試驗外場的某型燃發器試驗酒精供應管道系統，使用amesim進行了一系列的模擬研究，對模擬的結果進行了分析和總結，同時還開展了水擊試驗，並與模擬進行了對比。
  9. The hydrauli c model of gradual dike - break simulates numerically the 2 - d flow of gradual dike - break waves. it shows the variation of flow field on breach, and the complicated flow characteristic of the propagation, diffraction, reflection and deformation of the dike - break waves. the hydraulic model can realistically simulate the burst process of dike, and computational accuracy is satisfied with the engineering demands

    本文建立逐漸潰堤的水力模型首次對二維逐漸潰堤波的流動問題進行了數值研究，揭示了逐漸潰堤過程中潰口處流場的變化情況，以及潰堤波的傳播、繞射、反射及變形的復雜運動特徵，能較好地模擬實際工程中的潰堤失事，模擬比較逼近於真實潰決過程，計算精度可滿足工程要求。
  10. So, optimization of breakwater planning is of great practical value and should be resolved immediately. at first, the paper narrates the development of numerical modeling, which includes shallow water dynamics theory and method, and compares the boussinesq model and mild - slope equation model. the purpose is to select one model that best fit for wave calculation in harbor engineering

    本文首先綜述了波浪數值模擬的發展概況，其中包括淺水動力學的常用理論和方法，並詳細比較了目前使用較多的boussinesq模型和緩坡方程模型，其目的是選擇其中較為適合港區工程波浪計算的模式，並將其作為優化模型的驗證或用於適應度計算。
  11. By analyzing the results of the crhdm single cylinder experiment, constants in the formula of the flow resistance were obtained

    利用控制棒水壓驅動機構單缸性能實驗的結果，擬合求得了流阻公式中的系數，並將公式計算流阻與實驗結果進行了對比。
  12. Chemical industry information not merely embodyed the ordinary chemistry information substance, chemistry manufacture technological process and representative installation introduction are still have, in case contacing legal institutions sulphuric acid ? nitric acid industry system law ( ammonia oxidate law ), synthetic ammonia industry, chlorine and caustic soda are manufacture to electrolysis salt water, along with electrogilding, refine aluminium, iron - smelting and steel - smelting, cement and glass manufacture summarized account, the mineral oil is refined, hence, the chemical industry information education is contrastd against the ordinary chemistry information education, proper such representative means, be living, the means interpreted is in speech oridinarily wholly adoptd in the chemical industry information education, now most of tutors also is adopt the means interpreted in speech, cause that the chemical industry information education is insipid like this, student lack interest to chemical industry information study, but as a result of value the pair foundation, light practice, student may say the become a mere formality to chemical industry information study o since multi - med

    化工知識不僅包含了一般化學知識的內容，還帶有化學生產工藝流程及典型設備的介紹，如接觸法制硫酸，硝酸的工業製法（氨氧化法） ，合成氨工業，電解食鹽水製造氯氣和燒堿，以及電鍍、煉鋁、煉鐵和煉鋼，水泥和玻璃的生產簡介，石油的煉制等，因此，化工知識教學與一般化學知識教學相比，應有其典型的方法。在過去，化工知識的教學一般都採用口頭講解的方法，現在大多數教師也是採用口頭講解的方法，這樣使得化工知識的教學乏味，學生對化工知識的學習缺乏興趣，又因重視雙基，輕實踐，學生對化工知識的學習可以說流於形式。由於多媒體的輔助教學的高效性、形象直觀性、新穎性和多樣性、人工模擬等特點，很適合化工知識的教學，應用多媒體教學化工知識可以解決目前存在的諸多問題，如：模型短缺、組織參觀活動困難、教育經費不足、學生不易觀察等。
  13. Based on visual rice growth models ( vrgm ) and with rice tillering as examples, the back - propagation artificial neural networks ( bp ) and radial basis function networks ( rbf ) were established to simulate the rice growth and to compare with statistical model and dynamic model

    3 、在研製可視水稻生長模型的基礎上，進一步利用人工神經網路bp模型和rbf模型，對水稻生長進行了模擬與模擬。並以水稻群體莖蘗動態為例，與水稻群體分蘗的統計模型和動力學模型進行了比較。
  14. As a result, the studying aim of this paper is to establish a practical and complete system for the prediction of ship maneuvering motion, taking into account of the influence of the environmental factors, such as the wind, wave and current, establish a practical and complete system for the prediction of ship maneuvering motion. in this paper, the opengl virtual reality simulation technique is introduced into the field of ship maneuver and control, and using the mmg mathematical model, the three dimensional dynamic simulation system of the ship motion is established and good results are achieved. in the process of the system development, firstly, the maneuvering motion equations for ship in the still water are established, based on the mmg module mathematical model and serial experimental result

    在系統開發過程中，首先採用mmg分離式數學模型及相關的系列化試驗結果，建立單槳單舵海洋運輸船舶在靜水中的船舶操縱運動方程，並編制計算程序，經與試驗結果比較，證實了計算結果的正確性;為了解mmg數學模型中模型參數變化對操縱性指數的影響程度，作者在上述已有程序基礎上，對有關模型參數進行偏移修正，探討了相應參數變化后的操縱性指數，對船舶操縱性指數對模型參數的靈敏度進行了詳細的分析與探討，所得結論與工程實際相吻合，具有實際應用價值，並為進一步提高船舶操縱性預報的精度打下了基礎;然後，在已有的船舶靜水操縱運動模型基礎上，考慮雙槳雙舵的影響，建立了內河雙槳雙舵船舶的操縱運動模型;最後，綜合考慮風浪流作用力的影響，進行了船舶的操縱運動模擬計算。
  15. The general basin flood model is deduced by analogy between the matter composing of atom and it composing of character objects. the character objects are follow : one dimension flow model, two dimension flow model, zero dimension flow model, linking flow model, engineering control flow model and so on. the different character objects make up of the different basin model

    通用性流域洪水演進模型採用類比物質構成的分解，把流域分解成各種基本特徵元素的模擬：一維水流模擬，二維水流模擬，零維水流模擬，連系水流模擬以及工程運行控制模擬等，由不同的特徵元素的數量和種類的組合，構成不同的特定流域，使所建的流域洪水模型具有很好的包容性，能夠包容各種各樣的流動結構，適應不同的流域洪水模擬的需要。
  16. The computations are shown to agree well with available experimental and numerical data and the physics of 3d large - scale flow separations and vortex shedding are confirmed. the simulation of the flow around a maneuvering wigley hull is a demonstration of capability for calculations of sway forces and yaw moments acting on a hull moving obliquely at a large range of yaw angles. the focus of study is large - scale cross - section separation flows, bilge - vortex development along the hull in the longitudinal direction and their effects on hydrodynamic forces

    應用所開發的求解器，以wigley船型為算例計算了大角度斜航船體粘性流場和水動力，分析了漂角的變化對船體所受到的粘性水動力的影響，相當精確地預報了以橫流分離和般渦生成與泄出為特徵的操縱運動船體特有流動形態及橫向水動力和轉脂力矩，經與現有試驗和計算數據比較，檢驗和驗證了該求解器精確模擬繞斜航運動船體的大尺度分離流動和計算非線性水動力的能力。
  17. By introducing the tent function, the body form can be easily expressed by the body offsets. in this paper, the steady performance of ka - series propeller with no. l9a duct and ka - series propeller with jd7704 duct is trying to be computed

    本文擬採用上述方法分別計算ka系列螺旋槳+ jd7704導管、 ka系列螺旋槳+ no . 19a導管，在均勻流場中的水動力性能，並與試驗結果進行比較。
  18. The static triaxial test is performed on composite cemented clay samples and parameters of duncan - chang model are obtained considering the effects of replacement ratio and confining pressure. the effects such as replacement ratio, strain amplitude and confining pressure on the dynamic modulus and damping ratio of composite cemented clay samples are analyzed through undrained dynamic triaxial test. fitting equations estimating the dynamic modulus and damping ratio through regression analysis are deducted with the effects of replacement ratio, strain amplitude and confining pressure

    通過不排水動三軸試驗詳細地分析了置換率、應變幅和圍壓等因素對水泥土復合試樣動模量和阻尼比的影響，根據有關數據，得到了較為完整的復合試樣的動力變形曲線，通過回歸分析方法，得到了考慮置換率，應變幅和圍壓影響的水泥攪拌樁復合試樣動模量和阻尼比的擬合公式。
  19. This paper establishes the mathematic model which expresses the dynamic characteristic of the water hydraulic proportional valve, and performs emulation study on time - domain and frequency - domain dynamic characteristic of the valve using matlab

    針對設計的水壓比例節流閥，建立了動態特性的數學模型，並利用matlab軟體對水壓比例節流閥的時域動態特性和頻域動態特性進行了模擬研究。
  20. Because the equation of shallow water and the equation of inviscid compressible flow have completely similar mathematical forms, a lot of mathematical concepts and methods - including the numerical simulation method of aerodynamics can be used in the research of the shallow wave

    由於數學上淺水長波方程與可壓縮氣體的無粘性流方程類似，可以把淺水長波方程比擬成可壓縮氣體無粘性流方程，將空氣動力學中所得到的許多數學概念和方法（包括數值方法）直接應用於淺水長波的運動。
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