洪水演演算法 的英文怎麼說
中文拼音 [hóngshuǐyǎnyǎnsuànfǎ]
洪水演演算法
英文
flood routing process- 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...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 洪水 : waterflood; deluge; flood; flowage; torrent; spate; flood water; [義大利] acqua alta洪水泛濫 floo...
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Application of ebm comprehensive roughness calculation method in simulation of flood process
綜合糙率計演算法在洪水過程模擬的應用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。The acs algorithm inspired by the ants foraging principle is used to solve the problem of the homogenous frequency enlargement of design flood in this paper, the sketch of ants foraging about design flood computation is constructed and retailed process is provided
摘要採用蟻群acs改進優化演算法求解了典型洪水同頻率放大問題,構造了用於設計洪水過程求解的螞蟻覓食概化結構圖,並給出了具體求解思路和流程。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。The objective of the optimal model is to keep the flood process mode similar and subject to restrictions of the actual peak flow discharge and flood volume in different period of time, the ga and prsaa that have global optimal capabilities are used to solve the model in this paper
在滿足洪峰流量約束和分時段洪量約束條件下,本文建立了以洪水過程模式盡量相似為目標的洪水過程放大優化模型,並採用具有全局搜索能力的遺傳演算法和并行組合模擬退火演算法求解該模型。Flood forecasting model based on improved recursive least square method
基於遞推最小二乘改進演算法的洪水預報模型研究From the case study, it can be seen that the results of two algorithms can satisfy the restrictions of the actual peak flood discharge and flood volume and keep the mode of the typical flood effectively and avoid the manual randomicity
通過實例計算可以看出,這兩種演算法計算結果均能較好的滿足洪峰洪量約束要求,並有效保持了典型洪水的模式,避免了人工修勻的任意性。This part analyzed and compared many kinds of solvement of dam - break, then the adopted traditional one - direction b. saint. venant equation and conceal format to calculate the proceeding of dam - break flood, then according to calculation result analyzed influence of villages located beside fabiela river from dam - break flood
這一部分首先分析比較了潰壩波的各種求解方法,然後採用傳統的一維聖維南方程組和隱式差分格式進行了潰壩洪水演進計算,然後根據計算結果分析了各種潰壩情況下洪水對河道兩岸村屯的影響。Especially, if reliability value is dispersive, the former is more than 100 times faster than the latter
尤其在可靠度分佈比較分散情況下,查表法比洪水演算法快100多倍。This paper summarizes the current status and development of the method for flood regulating calculation of reservoir, reviews some current typical methods and takes case study as example based on computational efficiency
摘要綜述了水庫調洪演算方法研究進展,對近期典型的計算方法進行了評述與計算效率的實例比較研究;分析了直接試演算法的收斂過程,提出了直接試演算法的改進迭代格式。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。A curve integral method of flood calculations in average flow within the prescribed time
洪水演算中時段平均流量計算的曲線積分法( 2 ) the key problem to the application of muskingum approach, in another word, there exists non - linear effect. therefore, to meet the demand of practical engineering to a more satisfactory extent, it is vital to convert the linear formula in muskingum model to a non - linear one
2 、在水文學中馬斯京根( muskingum )法是河道洪水演算中廣泛應用的方法,因該槽蓄方程是線性的,即把k , x在一定河段內假定為常數,這在某些情況下是不切實際的,為此必須將馬斯京根模型中線性的槽蓄方程非線性化,才能更好地滿足實際工程的需要。3. a new runoff forecasting model, based on the combination of genetic algorithm and neural network, is proposed, which integrate with the strongpoint of genetic algorithm and neural network. the accuracy and the speed of runoff forecasting are effectively improved that offered a new method for solving runoff forecasting problem
3 .提出了基於遺傳演算法的神經網路洪水流量的預測模型,該模型綜合遺傳演算法和神經網路的優點,有效地提高了預測精度和速度,為洪水流量預報問題提供了一種新的方法。In this paper the basic principle of the method of characteristics is described, and is constructed an explicit scheme for dam break simulation of one - dimensional dam instant all break waves flow of a low dam with rectangle section and a huge dam with trapezia section, and of two - dimensional dam instant part break waves flow with simplest space operator splitting
本文模擬了一維矩形斷面低壩和梯形斷面巨型壩瞬間全潰的洪水波演進過程,給出了與分析解的比較,並結合運算元分裂的特徵線法對二維瞬間部分潰壩時洪水波的演進過程進行了數值模擬。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。The speed of phase unwrapping is increased greatly because the ordered queue in this algorithm is developed by using look - up operation instead of sorting operation
在相位展開過程中,通過查表將相位待展開的點放到一個虛擬隊列(等同於洪水演算法中的有序隊列)中,再進行相位展開。Algorithm of terrain visualization by using scanning terrain map as texture ; 2. the simplified algorithm of view - point related multi - resolution terrain and the extended algorithm while its data are distributed like a band ; 3. the visual application of spatial query technique in the field of vector elements overlapping and the simulative evolution of flood
在諸多技術中,結合防汛決策支持系統對可視化的具體要求,本文重點論述了:以掃描地形圖為紋理的地形可視化演算法;基於幾何模型的視點相關多解析度地形簡化演算法及其在數據呈帶狀分佈情況下的擴展演算法;空間查詢技術在矢量要素疊加和洪水模擬演進方面的可視化應用。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。( 3 ) combined with probability statistic knowledge, introduce the basic theory of message passing algorithm ; analyse the classical decoding algorithm of ldpc codes, including sum product algorithm which based on probability and llr, and min sum algorithm. ( 4 ) research message passing process on the tree ; according spa, turn the flooding schedule to serial schedule based on c - nodes and v - nodes, namely serial algorithm and, analyse de and complexity ; simulations show that the both serial algorithms could improve decoding performance, improve convergence property, reduce complexity
( 4 )研究了和積譯碼演算法在樹上的消息傳遞過程;在ldpc碼經典譯碼演算法基礎上,將洪水消息傳遞機制轉換成基於校驗節點的串列消息傳遞機制和基於變量節點的消息傳遞機制,分別對應串列譯碼演算法和串列譯碼演算法,並對密度進化和譯碼復雜度等方面進行分析;模擬結果表明,兩種串列譯碼演算法都使譯碼性能得到明顯提高,改善了消息收斂特性,降低了譯碼復雜度。分享友人