理論水動力學 的英文怎麼說

中文拼音 [lúnshuǐdòngxué]
理論水動力學 英文
theoretical hydrodynamics
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • : 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動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • 理論 : theory
  1. Because of its extensive application and underdeveloped research level in our country, this paper establish the numerical model of blank cartridge ejecting device, the whole process from blank cartridge burning to eject missile is analyzed by classic interior ballistic theory and gas dynamics. several simulation examples are given, and the effect of different parameter structure on ejecting device is discussed

    鑒于這類系統在我國的廣泛應用與相對滯后的研究平,本文針對三種類型五種型號的掛彈鉤建立了拋放彈彈射機構的數計算模型,用經典內彈道和氣體分析了火藥彈燃燒到彈射活塞完全推離懸掛物的整個過程。
  2. The dynamic characteristics of wharf piles subjected to lateral load is analyzed, used the dynamics theory. it gives an analysis and research to the functional mode of wharf foundation pile under flood tide torrent

    文對平荷載下碼頭基樁的特性進行分析,用振對碼頭施工中的基樁進行分析。
  3. For example, it can enter human body to inspect inner organ, deliver drug to assigned spot and operate local body surgery. supported by the nation nature science foundation of mechanism, structure and control study on swimming micro robot in liquid ( item no. 69885002 ) and guangdong province science foundation of research on swimming micro robot in liquid ( item no. 980402 ) and guangdong province education department foundation of research on micro pipe robot driven by liquid self energy ( item no. 010043 ), this dissertation mainly study on the designing and manufacturing of swimming micro robot and its swimming performance, building up and analysing the dynamic model, natant problem of swimming micro robot and controlling the swimming velo city

    文得到國家自然科基金項目「泳微機器人的機、機構和控制」 (項目資助號: 69885002 ) 、廣東省自然科基金項目「液體中泳微機器人的研究」 (項目資助號: 980402 )和廣東省教育廳基金項目「基於流體自身能量的微管道機器人研究」 (項目資助號: 010043 )等的資助,主要對在液體中運微機器人的國內外研究現狀、生生物推進機及其對泳微機器人研究的借鑒和啟發作用、泳微機器人的設計與製作、微機器人模型的建立與分析、微機器人的自主浮遊與泳速度控制等方面進行了大量的與實驗研究。
  4. 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三;大博士文數下大舵角范圍內的三維粘性流場及,成功地預報了舵的失速角和最大升,並初步探討了雷諾數對舵的影響;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和計算的能
  5. The basic mechanics knowledge in bridge construction is involved to the basic knowledge in many branches such as theoretical mechanics, structural mechanics, material mechanics, flexible mechanics, structural dynamics, earth mechanics and hydraulics mechanics etc. to show the reason of research thinking of this paper, the intersectional theory among engineering mechanics, engineering construction and engineering supervision is studied, it mainly include following content 1 ) framework and structure the framework is the system or structural frame that can produce action

    2 、橋梁建設中的基礎知識涉及中的、結構、材料、彈性、結構、土等諸多分支中的基礎知識。文中對橋梁中的幾個概念進行了詳細的闡述,主要包括以下內容: 1 )機構與結構機構是指能夠產生運的構架或體系。
  6. Analyze the yellow river estuary sediment transport and distributing affected factors, utilize the field measured data, based on the hydraulics, river hydrodynamic and statistics fundamental theory, analyze the estuary sediment transport and settling deposition regulation, yellow river estuary gate area sediment deposition mechanism and estuary delta coastline dynamic balance, and some important achievements acquired

    研究報告分析了黃河河口泥沙輸移和分佈的影響因素,利用實測資料,運用、河流、統計等基本和原,對河口泥沙輸移及其分佈規律、黃河河口口門區域泥沙沉積機以及河口三角洲岸線的態平衡問題進行了分析探討,並取得了部分重要認識和進展。
  7. In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method

    計算部分,本文首先基於常規螺旋槳升、勢流和格林定建立了定常和非定常狀態下全方向推進器性能計算的數模型,然後利用有限基本解法、非定常渦格法和赫斯?史密斯方法對全方向推進器定常和非定常狀態下的數模型進行了數值離散,接下來針對前面所設計的全方位推進器進行了數值預報。
  8. 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,其中包括淺的常用和方法,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。
  9. On the theory and method of farm hydrodynamics and hydrology and water resources system engineering, the paper covers three topics study about the techniques of farm draining ( topic one ), and soil moisture measuring and forecasting and drought preventing inforwaton system ( topic 2 ), and water resources optimal allocation ( topic 3 ), in the light of the flood and the drought and the shortage of water resources in the north of anhui province

    文採用農田資源系統工程的和方法,針對安徽淮北地區旱災害頻繁和資源緊缺現狀,進行了農田排技術、墑情監測預報和抗旱減災信息系統和農灌區資源優化配置技術等一體化研究。
  10. Based on the perturbation riccati transfer matrix method, the calculating program are developed. the program can be used to the perturbation analysis and the sensitivity analysis of the real and complex, the single and repeated eigenvalues and eigenvectors for lateral vibration of rod and beam structures, especially suitable to the perturbation analysis and the sensitivity analysis of eigenvalues and eigenvectors for rotordynamic systems ; 2. the perturbation riccati transfer matrix method was applied to identify the parameters of the rotor for a boiler supply pump, and the accurate dynamic model of the rotor was archived

    該程序可以對桿、梁結構橫向彎曲振的實數、復數的孤立和重頻特徵值問題進行攝分析和靈敏度分析,特別是適合於轉子系統特徵值和特徵向量問題的攝分析和靈敏度分析; 2 、用攝riccati傳遞矩陣方法解決了某電站鍋爐給泵轉子的參數識別及模型修改的問題,並給出了該種型號的給泵轉子的更準確的模型,為進一步的轉子分析與設計奠定了可靠基礎; 3 、給出了攝在相關領域如隨機特徵值分析、隨機振響應分析、可靠性分析、靈敏度分析、優化設計以及參數識別中的應用公式。
  11. The study, based on the system of dynamics theory and sd model, simulated the balance between the water and soil of ejina oasis

    本文以系統為基礎,採用sd系統模型,對額濟納綠洲土資源平衡進行模擬研究。
  12. The thesis was written under the direction of dynamic theory of forming reservoir, follows the rules of comprehensive information, judgment, interpretation and assessment and even makes full use of outcrop geology, data from drilling and logging, data from laboratory analysis and achievements in geophysical exploration. considering the basic factors of forming reservoir in the south of ordos basin as the starting point, the thesis defines that yanchang group of triassic goes into the start of generating oil in the late period of mid - jurassic and that the largest oil generation peaks in the middle period of early cretaceous, after the analogue - history of hydrocarbon generation. meanwhile it also establishes the relationship between the evolution of oil and gas and the formation of traps, the time of oil exploration

    本文以成藏為指導,本著綜合信息、綜合判斷、綜合解釋、綜合評價的原則,充分利用露頭地質,鉆測井資料,實驗分析資料及物化探成果,以鄂爾多斯盆地南部的基本成藏要素為出發點,通過生烴史模擬,確定了三疊系延長組在中侏羅晚期( 150ma )進入生油門限,于早白堊世中期達到最大生油高峰期;同時並確立了油氣演化與圈閉形成、捕油時間的關系;通過流體勢的全區計算,提出了該區油勢具有明顯的「雙層」結構特徵,並建立了以靜為主的重流系統和以差異壓實作用為主的壓實流系統的流體分佈模型;通過成藏系統的劃分及事件分析,探討了該地區油氣聚集規律,最終指出了有利的含油氣遠景區。
  13. On the purpose of catching up with the advanced level of the world, and developing microinjection devices of ourselves to promote the chinese gene engineering, this paper is dedicated to the design and fabrication of the microinjection volume controller and the research on the detection of microinjection volume by micro - vision, based on looking into the advanced products mentioned above and researches on the dynamical characteristics of the dna micro - fluid from both theoretical and experimental aspects

    為了追趕世界先進平,同時也為了開發具有中國特色的顯微注射設備,以推我國基因工程的發展,本文在深入調查了解國外先進產品,以及從及實驗方面對dna微流體的特性進行研究的基礎上,致於微注射量控制器的設計與研製,以及顯微視覺檢測技術的研究,以便對其進行更有效、更精確的定量控制。
  14. In this paper, the three level fortification criterion, two stage design method and the elastic response spectrum theory are adopted, and the program of nba ( the program of nonlinear - aseismic analysis for beam bridge ) is used to calculate. through gathering, analyzing and calculating a lot of bridge design materials, this paper induces a simple way to calculate the relative displacement of the beam and the pier, and then according to the current design method, it concludes a better design principle of the supporting length of the beams. at the same time the dynamics is adopted to put forward the design method of the carrying capacity and the lengthen of prestress wire ( steel bar ) falling - off prevention structures of highway bridges

    文採用三準設防、兩階段設計方法、彈性反應譜計算,運用橋梁結構非線性地震響應分析程序nba ( theprogramofnonlinear ? aseismicanalysisforbeambridge )進行計算;通過收集大量的實橋設計資料,經分析計算,歸納總結出計算上下部結構相對位移的簡便計算方法;並綜合國內外的經驗值,提出梁的支承長度se的設計原則;同時運用突加荷載的原,推導分析了預應鋼絞線式(鋼棒連接式)落梁防止裝置設計承載的計算方法和設計伸長量s _ f的取值;最後本文通過實橋計算,說明了落梁防止系統設計的方法。
  15. The main features in the study of flood forecasting and control system are as follows : ( 1 ) runoff generating and confluence theory and hydro - dynamic method are adopted to predict the water level of taihu lake and key nodes, the basin wide forecasting and control system with the function of real time correction has been first established in plain river network to meet the complicated flow conditions of taihu lake basin and to enhance the reliability of forecasting results ; ( 2 ) according to the rainfall in foreseen period multiple schemes can be made in the forecasting model and adjusted with time, which overcomes the errors caused by the uncertain rainfall in the foreseen period so as to make the forecasting results approach reality

    本文所研究的預報調度系統有如下特點: ( 1 )本系統採用產匯流方法預報太湖及重要節點位,首次在平原河網地區建立了具有實時校正功能的全流域預報調度系統。以適合太湖流域復雜的條件,增強預報的可靠性; ( 2 )預報模型可以根據預見期降雨量進行多方案預報,並隨時間推移,可以實時進行調整,克服由於預見期降雨不確定引起的誤差,使預報結果更接近實際。
  16. Based on the hydrodynamic theory, the riverbed deformation process of all reservoir area during long duration is investigated by using of computer numerical simulation. in the meantime, based on one dimensional sediment model, the simulation of the longitudinal scouring and sedimentation and lateral deformation in reservoir tidal flat and mainstream are researched. the quasi - two dimensional sediment numerical model forecasting longitudinal scouring and sedimentation and lateral deformation in reservoir and river are established

    應用,以計算機數值模擬為手段,主要考慮長歷時全庫段的河床變形過程,在一維泥沙數模型基礎上,同時考慮庫灘槽縱向沖淤和橫向變形的模擬,著重建立可以預測庫及河道縱向沖淤及橫向變形的準二維泥沙數模型。
  17. In practical projects, the boundary shape irregularity of the lake, reservoir, river and estuary area and the non - linear character of hydrodynamic equation make it difficult to get the theoretical solution of the equation, so the numerical solution has to be the only a choice

    由於實際工程中湖泊、庫、河流、河口區域邊界幾何形狀的不規則,以及方程的非線性性質,使得分析解難以作出,只能求助於數值解。
  18. Numerical prediction of ship hydrodynamic performance at design stage using computational fluid dynamics ( cfd ) technique is a most important and challenging subject in the field of ship hydrodynamics. with the rapid development of computational methods and computer technology, cfd is becoming a practical tool in ship design

    採用計算流體( cfd )技術實現在船舶設計階段對船舶性能的精確預報,是船舶科中一個具有重大和實用意義的、富有挑戰性的課題。
  19. On the basis of consulting a large number of literatures domestic and aboard, the present situation and latest development of hydrodynamic characteristics of overland flow and slope erosion dynamic process were reviewed. aiming at revealing the effect of rainfall splash intensity on hydrodynamic features of sheet flow and slope erosion, with a combination of runoff experiment and simulated rainfall experiment with a fixed intensity, applying hydrodynamic and erosive theory, the effect of rainfall on overland flow velocity and the influence of rainfall splash intensity on hydrodynamic features ( such as velocity, flow depth, flow patterns, resistance ) of sheet flow on slope and the influence of rainfall splash intensity on the overland flow sediment contain was researched

    本文在查閱了大量國內外文獻資料,全面了解了坡面流特性及坡面侵蝕過程等方面的研究現狀及最新進展的基礎上,以揭示雨滴打擊能對坡面薄層特性及坡面侵蝕的影響為目標,採用槽放試驗和定雨強模擬試驗相結合的方法,運用與侵蝕,研究了降雨對坡面薄層流流速的影響,雨滴打擊強度對坡面薄層流流速、深、流態、阻參數的影響,雨滴擊濺作用對坡面流泥沙含量的影響。
  20. Because these harmful phenomena are closely related to the dynamic process of the flow, it is of great importance, theoretically and practically to the engineering design, to study the flow regime and predict the variations of flow velocity and pressure so that the hydrodynamic mechanism of cavitation and gate vibration could be analysed

    由於這類有害現象的發生與流的流特性密切相關,探明閥門段流急變分離的流態、預測流速、壓時空變化規律,分析空化與振成因,在上和工程設計實踐上皆具有重要意義。
分享友人