水動力網 的英文怎麼說
中文拼音 [shuǐdònglìwǎng]
水動力網
英文
hydrodynamic net-
Clough, r. w., " reservoir interaction effect on the dynamic response of arch dams ", proceedings of us - prc bilateral workshop on earthquake engineering. vol. 1, august, 1982, harbin, china
張楚漢、王綦正，緊水灘拱壩動力分析，拱壩技術（中國拱壩情報網刊物） ， 1985年三期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。Webbing sling, round sling, lifting sling, nylon rope, rope ladder, cargo net lifting sling belt group have a long history for more than 46 years of specializing in different types of slings, mainly products including polyester webbing sling, polyester round sling, polyester cargo lashing, super sing, flat sling, flat webbing sling, flat web sling, polester web sling, tree strap, webbing strap, doublebraid, recovery strap, recovery tow strap, lashing systems, polyester sling, polyester belt sling, hollow braid, synthetic webbing, endless sling, nylon sling, synthetic web sling, synthetic sling, webbing sling, round sling, cargo lashing, ratchet tie down, ratchet lashing, ratchet strap, ratchet tie down strap, nylon webbing, nylon strap, tubular round ropes, braided rope, diamond braid rope, starter rope, safety net, safety belt, cargo net, safety rope, climbing rope, rope ladder, building net, nylon net, polyester webbing sling, polyester round sling, tie down, cargo restraint, webbing strap, duplex eye - eye webbing sling, eye - eye webbing sling endless webbing sling, widely and heavy duty webbing sling, multi - sling, ratchet lashing, tow strap, web belt sling, flat webbing sling, nylon rope ladder, industrial safety nets, nylon cargo net, dock net, synthetic webbing sling, lifting clamp, braided rope, 3 strand rope, 12 strand rope, 8 strand rope, cargo net, shipmast net, tube net, solid braided rope, braided rope net, sports net, pe net, safety net, scaffold net, synthetic slings, wide lift sling, round webbing sling, flat webbing sling with eyes, flat webbing endless sling, wire rope sling, multi - set sling, pipe lifting sling, pipeline sling, lowering belt, heavy duty anti cutting sleeves, fiberglass rope, fiberglass wick, braided fiberglass rope, fiberglass rope lamp, fiberglass oil lamp wick, fiberglass strap, solid braided fiberglass rope - round, fiberglass tapes, ceramic fiber rope, fiberglass braided rope, pipe handling sling, lowering in belts, stone handling sling, flat lifting sling pipe lifting belt synthetic fiber round sling synthetic lifting sling, synthetic fiber sling, nylon webbing strap, pipe sling, bandsling, pipe sling with reinforced eyes, lifting sling with reinforced eyes, pipeline pipe industrial farm lifting sling, endless sling, eye eye sling, oil field sling, truck strap, winch strap, cargo tie down, track ratchet strap, tow strap winch flat rope tow line, heavy duty webbing towing lifting sling, cargo sling, pp cargo sling, polyester cargo sling, flat pack sling, ceramic fiber rope twisted rope braided round rope braided square rope
2圓形尼吊裝繩系列：無接頭尼吊裝繩兩頭扣尼吊裝繩多叉尼吊裝繩船用錨繩纜繩引紙繩變壓器吊裝繩各種規格編織吊繩，尼繩，啟動拉繩，啟動繩，引擎拉繩，引擎繩，起動拉繩，起動繩，動力繩，安全清洗繩，安全繩，保險繩，耐火救生繩，維綸繩，丙綸繩，滌綸繩，錦綸繩，尼吊繩，尼吊裝繩，錨繩，靠岸繩，旗繩，晾衣繩，復合吊繩，掛衣繩，宿營繩，保護繩，防火繩，尼網，休閑吊網，跳繩，蠶絲繩，全棉繩，塑膠繩，布繩，拔河繩，攀巖繩，遊艇繩，綿綸絞制繩，織制繩，登山繩，拔河繩，立桿繩，水平繩，工藝繩，吊繩，船用纜繩，絞制纜繩，綿綸絕緣繩，三股繩，八股繩，軍用繩，線路牽引繩，吊棕繩，割刀繩，引紙繩，包裝袋繩，禮品盒繩，酒盒繩，食品盒繩，手提袋用繩，禮品盒用繩，工藝品用繩，服裝用繩，聚乙烯繩，聚丙烯繩，混紡繩，纖維綸繩，復絲繩，撕裂膜繩，編織繩，加鉛繩，功能繩，軟梯繩，尼軟梯，軟梯，尼繩梯，尼梯繩，安全網，棉繩，彈力橡筋繩，嵌邊繩，封蠟繩等，啟動繩啟動拉繩引擎繩引擎拉繩起動拉繩，雙編織繩，金剛打編織繩，股編織繩，股編織繩，多股編織繩。The square pattern has been obtained for the first time in dielectric barrier ar / air discharge at atmospheric pressure by using the double water electrodes and its spatio - temporal dynamics is measured by optical method. the phase diagram of pattern types as a function of air concentration and applied voltage by fixing other parameters is given
本論文採用特殊設計的雙水電極介質阻擋放電實驗裝置，首次在氬氣與空氣的混合氣體中獲得了大氣壓常溫下的穩定正方網格斑圖，並對其進行了時空動力學測量。They can be applied to electric power automatic control in many fields such as heat power plant, heat - electric generating plant, hydroelectric power plant, electric network, substation, pumping station, hydro - junction etc. and for electric power dispatching telecontrol system by telemetering and remote control, and field electric energy monitoring of the utilization and distribution equipment in numerous enterprises, can widely apply to electric power, water conservancy, metallurgy, petrochemical industry, chemical industry, railway, port, municipal administration, construction material, post and telecommunication, tobacco, papermaking, spaceflight base, civil aviation airport, hospital and school etc, many profession and field
適用於火電熱電水電電網變電站所泵站水利樞紐等方面的電力自動控制和進行遙控遙測的電力調度遠動系統，以及眾多企事業單位用電配電設備的現場電量監控等。可廣泛應用於電力水利冶金石化化工鐵路港口市政建材郵電煙草造紙航天基地民航機場以及醫院學校等多種行業或領域。Resu1 t ana1 yzing and dec i si on support s } ' stem etc. first1y the who11 } construct ion of dianchi system is d i scus sed, t hen hydrodynami c mode 1 " geograph i c informat i on system ( gis ) image processing and network commun1 cat l on are s t u d i e d d e t a i 1 ed 1 v. two - - dimensi onal wind - - driven current s mode1 on shal1 ow water i s used as hvdrodvnamic mode1
一個復雜系統的模擬實現，需要多種理論及技術手段的參與。滇池系統的設計涉及多個方面的內容，包括模型、數據庫、顯示系統、結果分析和決策支持等等。本文首先從系統的角度闡述滇池系統的組成，然後對系統中水動力模型、地理信息系統（ gis ） 、圖像處理和網路通信部分的設計過程進行詳細說明。A non - grid hydrodynamic numerical model is established by using the moving particle semi - implicit ( mps ) method to investigating the possibility of the model in the research of the hydrodynamics of the coastal structures under the action of water movement
摘要運用一種移動粒子半隱式法建立無網格水流數值模型，探討該模型在結構物水動力特性研究中的可能性。The main achievements of the thesis include : 1 the model design of abyssal aquaculture cages ; 2 the hydrodynamic characters of the cages under the action of pure current in the states of floating vs submerging ; 3 the hydrodynamic characters of the cages under the action of pure wave in the states of floating vs submerging ; 4 the hydrodynamic characters of the cages under the joint action of currents and waves in the states of floating vs submerging ; 5 the effects of currents and waves on the exciting forces and motion of the gravity cages
漂浮狀態和下潛狀態相比，在單純流作用下，網箱的水動力特性； 3漂浮狀態和下潛狀態相比，在單純波浪作用下，網箱的水動力特性； 4漂浮狀態和下潛狀態相比，在波浪水流共同作用下，網箱的水動力特性； 5A coupled hydrodynamic numerical model for bay - river network
河網海灣水動力聯網數學模型Then establishing a dependable orientation water - sediment dynamics of river networks is the important part of the work
則建立一套可靠適用的城市河網水流泥沙動力學模型就是數字水利的重要部分。The overhaul of power units are arranged in terms of peaking capacity balance and the power loads are dispatched based on the principle of equal incremental coal consumption rate in the new method, which is anticipated to solve the economic operation of the power system
實際上，抽水蓄能電站的容量效益與電網的負荷水平、負荷曲線形狀和常規水電的比重有關，而節煤效益除與負荷水平、負荷曲線形狀有關外，還與電網的電源結構、火電機組的動力特性有關。Based on these experimental values, the hydrodynamic forces are identified by a general regression neural network ( grnn ) over a wide range of attack angles
利用這些試驗值， grnn神經網路方法可以辨識出大攻角范圍內的水動力函數。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 ）本系統採用產匯流理論和水動力學方法預報太湖及重要節點水位，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水力條件，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。The main research contents of the paper involve : establishment of real time forecasting system of taihu lake basin ; forecasting method for the tidal levels along yangtze river and hongzhou bay ; model mechanics of flow generation and confluence forecasting ; forecasting model mechanics of flow dynamics in plain river networks of taihu lake basin ; case study of real time flood forecasting and control in taihu lake basin
本文所研究的內容主要概括如下： 1 ）太湖流域實時預報調度系統的建立與開發機制； 2 ）沿長江及杭州灣潮位預報方法； 3 ）太湖流域產匯流預報模型機理； 4 ）太湖流域平原河網水動力學預報模型機理； 5 ）太湖流域實時洪水預報與調度實例研究。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水動力性能，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「非常規網格」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非線性等壓庫塔條件In the aspect of ship maneuvering hydrodynamics, taking bulk carriers and oil tankers for an example, the prediction was done ; in the turning circle, different ships under different rudder angles were studied and predicted ; in the zigzag curve, different ships under constant rudder angle were studied to predict another two ships
在操縱運動水動力方面，以散貨船和油船為例探討應用bp網路完成水動力的學習和預報；在回轉圈方面，完成了不同船舶在不同舵角下的學習和預報；在z形曲線方面，對不同的船舶在同一舵角下進行學習，預報了另外兩艘船舶的z形曲線。The numerical simulation is an effective method. the main task of this dissertation is to establish a hydrodynamic and pollutant transport model, and to simulate the tide field and concentration field of hakata bay : ( 1 ) dispersing the long - wave equation on interlaced grid by adi method, a two - dimension hydrodynamic model is established to simulate the tidal flow in hakata bay under the effects of m _ 2, s _ 2, o _ 1, k _ 1 tide
本文的主要工作是建立一個深度平均的二維水動力及污染物擴散輸移的數值模型，並對一實際海灣的潮流場及濃度場進行數值模擬： （ 1 ）用深度平均淺水波動方程為控制方程，採用迎風adi有限差分方法（交替方向隱式法）在矩形交錯網格上離散潮波方程，建立了一個二維潮流數值模型。The difficulties of this problem are as follows : there is a grate discrepancy of geology condition of dike in middle - lower reaches of yangtze river, the facts which affect groundwater power field and water chemistry field not only include geologic structure of dike, topography and river network, precipitation infiltration and evaporation condition, but also are closely related to the design scheme of impermeable wall, construction method and construction quality
本課題研究的難點在於長江中下游堤基工程地質條件差異較大，影響地下水動力場、水化學場的因素不僅與堤基地質結構、地形與河網分佈、降水入滲及蒸發條件，而且與防滲墻的設計方案、施工工法及施工質量等密切相關。It is verified that the prediction accuracy of ship maneuvering hydrodynamics, turning motion and zigzag curve are acceptable in practice, if the learning samples, network ' s structure and learning algorithm are reasonable
研究結果表明，只要選擇適當的學習樣本、網路結構和學習演算法，神經網路的水動力預報精度、回轉運動預報和z形曲線的預報在實際中可以接受。With this method, the feasibility of project can be decided preliminarily. 3. one - dimensional hydrodynamic model is built, in which implicit difference format ( preismann discretization scheme ) and " three steps method " of one - dimensional unsteady flow model is used, hydraulic calculation is done for water diversion and flow strengthen in tidal networks and the method is enhanced in which the precision is improved greatly
建立一維水動力學模型，利用四點隱式差分格式（ preismann格式）和一維河網非恆定流模型的三級解法，對感潮河網的引水增流工程進行了水力計算並對計算方法進行了改進，大大地提高了計算的精度。分享友人