河流洪水演算 的英文怎麼說

中文拼音 [héliúhóngshuǐyǎnsuàn]
河流洪水演算 英文
stream routing
  • 河 : 1 （天然的和人工的大水道） river 2 （指銀河系） the milky way system; the galaxy 3 （特指黃河） t...
  • 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...
  • 洪 : i 形容詞（大） big; vast; grand Ⅱ名詞1. （洪水） flood 2. （姓氏） a surname
  • 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...
  • 演 : 動詞1 （演變; 演化） develop; evolve 2 （發揮） deduce; elaborate 3 （依照程式練習或計算） drill;...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 河流 : rivers; stream
  • 洪水 : waterflood; deluge; flood; flowage; torrent; spate; flood water; [義大利] acqua alta洪水泛濫 floo...
  • 演算 : perform mathematical calculations; calculation; calculus演算器 exerciser
  1. All the methods can calculate the flood based on the storm data. the software can be used in henan province. additionally, the rational formula method and the plain drainage method can be used in other regions near henan province, even farther regions

    軟體包括推理公式法、單位線法、平原排澇公式法三種由暴雨資料推求設計洪水的計算方法，除了適用於河南省中小流域設計洪水外，推理公式演算法、平原區排澇公式演算法也可在鄰近省市和更大的范圍內推廣使用。
  2. Hydrology regime and river channel evolution become complex because of double influences of river flow and tide. there is little appropriate method so far. therefore, when the impact us assessed of water project on flood control, the following aspects should be focused on, river evolution and stability of project - sections, design tidal level, flood - tide combination scheme, pre - project and post - project impacts on river channel, water level and flow condition

    長江河口段為潮流河段，徑流潮流的雙重作用使得區域水文情勢、河道演變規律錯綜復雜，開展防洪影響評價研究時，河道演變及工程段穩定性分析，設計潮位的分析計算，洪潮組合方案擬定，工程前後對河道及水位流態影響的模擬等均是目前尚無十分成熟的方法，需要進一步研究的課題。
  3. Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering

    摘要針對洞庭湖區的洪水組成、水流泥沙演變、河道湖泊水系分佈特點以及河道湖泊疏浚工程布局情況，利用gis技術模擬洞庭湖地形變化，採用有限體積法建立了湖泊二維水力學計算模型預測疏浚工程實施后的水位、流量、流速流場變化，為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。
  4. Various computational examples are presented in the paper for different cases, such as simultaneous routing of main and branch streams, routing of dam - break flood, computation of simultaneous outflow from dam, flood calculation in watercourse with multiple branch steams, and computation of the hydraulic grade line in the reservoir

    論文針對不同條件分析了干支流同時演進計算、潰壩洪水計算、干支流大壩泄洪對下游的影響、多支流河道演算和庫區水面線的計算。
  5. Based on the optimal operation problem of flood control for multi - reservoir such as jiangya, zaoshi and yichongqiao reservoirs on the lishui river, a hierarchical model for optimal flood dispatching of multi - reservoir system, which includes a flood routing model and a discrete differential dynamic program model for the optimal flood dispatching of reservoir sub - system, is established : then a new decomposition - coordination algorithm is put forward

    摘要以澧水流域中上游的江埡、皂市及宜沖橋三庫聯合防洪優化調度問題為背景，建立了河道洪水演進方程與離散微分動態規劃相結合的水庫群防洪優化調度模型，提出了一種離散微分動態規劃與馬氏京根洪水演進相結合的大系統分解協調演算法。
  6. The model is verified by use of it in a over 700 kilometer watercourse of yangtze river, numerical results are in good agreement with measured data

    在長江幹流700多公里河道上洪水演進的計算結果與實測資料符合良好。
  7. The main conclusions of the research are shown as follows : ( 1 ) with meeting the comprehensive using demands including flood control, ice prevention and water supply of the main stream, aimed at the maximum generation electricity in a period of the reservoir regulation, built up the optimal regulation model of the longyangxia - liujiaxia system and sanmenxia - xiaolangdi system and adopted poa method to solve it, obtained long series compensation regulation results

    論文取得的主要成果如下： （ 1 ）在滿足全河幹流防洪、防凌、供水等綜合利用要求的前提下，以水庫調度期發電量最大為目標，採用大系統分解協調方法，建立了龍劉和三小的優化模型，採用逐步優化演算法（ poa ）求解了該模型。
  8. Using flood progress model and the different discharge of feilaixia reservoir, we can calculate in time the water level and discharge of middle - lower reaches of beijiang, thus increase the accuracy of flood forecast and provide the important technical support for the further research on the optimal dispatch method of f lood control system

    其中依據水文學和水力學相結合的洪水演進模型，可根據飛來峽水庫不同的下泄流量，及時計算北江中下遊河道的水面線和下泄流量，提高了洪水預報的精度，為進一步研究防洪體系優化調度方法提供極其重要的技術支撐。
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