水文模型法 的英文怎麼說

中文拼音 [shuǐwénmóxíngfǎ]
水文模型法 英文
hydrologic model method
  • 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...
  • 文 : Ⅰ名詞1 （字） character; script; writing 2 （文字） language 3 （文章） literary composition; wri...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 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...
  • 水文 : hydrology水文測驗 hydrologic survey; 水文成因分析 hydrologicall genetic analysis; 水文地理學 hydr...
  • 模型 : 1 （仿製實物） model; pattern 2 （制砂型的工具） mould; pattern3 （模子） model set; mould patter...
  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. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流，對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗，分析研究了中低佛勞德數條件下，齒墩墩頭的動水壓強及空化特性，齒墩設施與消力池聯合應用時的流態特性，消力池的水力計算，消能量的估算及其各種影響因素，消能機理和效果，消力池內的流速、壓強特性，摻氣濃度分佈等水力學問題，並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  3. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題，具體成果和創新點如下1 、根據流體力學理論，建立了螺旋槳推進器的動態模型，它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量，以電機施加轉矩為輸入，螺旋槳推力t和轉矩q為輸出。
  4. Regard - ing the surface runoff mechanism, liang and xie 1, 2 presented a new surface runoff parameterization which dynamically represents both the horton and dunne runoff generation mechanisms within within a model grid cell together with a consideration of the subgrid - scale het - erogeneity, which can be applied to not only humid regions but also droughty regions as well 3, 4. regard - ing the soil water movement, xie et al. 5 developed an unsaturated flow numerical model based on the finite element method, and xie et al. 6 presented another numerical model to compute soil moisture and water flow flux together by means of a mixed finite element method

    在地表徑流方面，文獻1 3發展了一種同時考慮蓄滿超滲產流機制及次網格非均勻性的新的徑流機制模型，並用其改進了陸面模式vic variable infiltration capacity中的徑流計算，該模型既適用於濕潤地區也適用於乾旱地區4 .在土壤水模型方面，文獻5採用有限元質量集中法發展了非飽和土壤水流的數值模型，文獻6則採用混合有限元法建立了非飽和土壤水分含量和通量計算的數值模型
  5. In the paper, river and the downstream area of dike are regarded as a whole system, and hydraulic model of coupling 1 - d river and gradual dike - break is established, therein the preissmann implicit difference scheme is applied to main river, and the fvm ( finite volume method ) is applied to the breach and polder

    本文將河道與堤壩下游區域視為一個整體，對于單一河道採用preissmann四點隱式差分格式計算，對于潰口及圩區採用有限體積法，建立了一維河道與堤壩漸潰耦聯的水力模型，也是一維、二維耦合的水流模型。
  6. Abstract : digital basinis made from digital elevation model considering spatial variability within a catchment. on the basis of digital basin, the digital approach to describing hydrological processes within a catchment is investigated. digital hydrological model is regarded as a modern physically - based modeling technique that includes a large amount of information. the case study on the shiguanhe catchment in the huaihe river basin, intensified observation field of gewex asian monsoon experiment project, has shown that the digital mode lperforms very well not only in simulating runoff processes at any specific site, but also in simulating spatial distribution and temporal variation of hydrological elements and state variable ( especially soil moisture ), if compared with traditional hydrological models. that provides solid foundation for full use of now available observation in formation and in - depth mining of hydrological data

    文摘:考慮流域下墊面空間變異性，基於數字高程模型構建了數字流域，並在此基礎上對描述流域水文物理過程的數字方法進行了探討.文章認為，數字水文模型是一種有物理基礎的包含大容量信息的現代模擬技術.史灌河流域實例研究表明，數字水文模型可以十分方便地輸出水文要素和狀態變量的空間分佈與時間序列，這對充分利用現有觀測信息進行水文信息的深層挖掘創造了條件
  7. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  8. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  9. The super entropy produce criterion is a good tool to judge the system ' s abrupt change from a lower grade to a higher one. in this paper the entropy of the urban resource - environment system was defined, and in an example of its application the super entropy produce criterion of the urban resource - environment system reflected the real developmental process of the whole system. furthermore, in this paper, a new model for the grid size optimization of the finite element method ( applied to the water quality modeling of the topographically complicated river ) was brought forward based on the maximum information entropy theory in condition that the length of gird was given

    超熵產生判據為我們提供了判斷系統從低級有序向高級有序突變過程的工具，本文提出了城市資源與環境系統熵的定義，在實例中的應用證明城市資源與環境系統的超熵產生判據較好地反映了整個系統的演化情況；另外，本文針對在城市復雜河道情況下，利用有限單元法求解河流水質模型時網格單元大小難確定的問題，引入網格信息熵的概念，提出了有限單元法求解河流水質模型的網格優化方法。
  10. Using existing data and experiences, considering the character of shaying river, and based on the water quality forecast system of shaying river, in this paper, we firstly put forward a high performance parallel computing method of multi - parameter choice in china, and implement it on dawing high performance parallel computer for the choice of parameter for shaying river

    文章利用已有的數據和經驗，根據沙潁河具體的水質和應用特點，在國內首次提出了採用基於并行計算技術的高性能計算方法，對沙潁河支流水質模型進行多參數率定的方案，並在曙光系列并行機上得以實現。
  11. The outstanding trends are that computer technology, spatial technology and remote sensing technology are applied in hydrological model and distributed physical hydrological model is brought about widely. in the hydrological simulation, rs and gis technology bring innovation for the traditional study methods. digital elevation model ( dem ) technology provides stable foundation for the development of digital hydrology and the naissance of the digital hydrological model in particular

    其突出趨勢主要反映在計算機技術、空間技術、遙感技術等的應用方面，分散式物理模型被廣泛提出，遙感（ rs ） 、地理信息系統（ gis ）在水文模擬中的應用給傳統的研究方法帶來了創新，特別是數字高程模型（ dem ）技術的完善為數字水文學的發展和數字水文模型的誕生提供了堅實的基礎。
  12. Based on this hypothesis, this thesis puts forward three methods : experimentation, statistic method and hydrological model, and studies the statistic method detailedly

    根據這個假設，本文提出建立bmbc模型的三種方法：實驗法、統計法、水文模型法。
  13. In this paper, the physical experiment and numerical simulation based on the volume of fluid ( vof ) method to solve turbulent governing equations in the numerical wave tank are conducted to investigate the interaction between surface waves and sandbars on the seabed

    本論文通過物理模型試驗和基於vof方法求解湍流控制方程所建立的數值波浪水槽模型，對波浪與海底沙壩地形之間的相互作用進行了研究。
  14. On the base of the popular short - term hydrologic forecast models, xin ' anjiang model, the sacramento model and the tank model are used to simulate and analyze the rongjiang river basin and result are analyzed contrastively the second part : the economic running problems are studied in the water power station, and the newest results are used in the water power station in rongjiang river basin

    第一部分，探索了入庫徑流短期預報方法，在綜述了現行常用的短期水文預報模型的基礎上，分別用新安江模型、薩克模型和水箱模型對融江流域實際資料進行模擬計算。對模擬結果進行了比較分析。第二部分，水電站廠內經濟運行理論的實例應用研究，將相關最新研究成果應用於融江流域水電站。
  15. The 1 - d flow model is used to simulate the full - year hydraulic process in the changjiang estuary in 1998 with a desired validation by alternating the river roughness in the flood season

    本文在一維水力模型中採用洪季變動糙率的辦法，成功地模擬了長江口1998年全年水力過程，取得較好的驗證。
  16. To get texture maps at appropriate size, an accelerated method for wei and levoy " s basic algorithm ( for short, wl algorithm ) is presented

    為了生成滿足水流模型空間大小的紋理，本文給出了搜索帶加速的wl紋理合成演算法。
  17. Firstly, a 1 - d flow numerical model based on the preissmann scheme, a 1 - d rivernet flow numerical model based on the direct solution method and a 2 - d tidal model based on the implicit scheme of finite difference method are programmed

    本文首先建立了基於preissmann演算法的一維水流模型、基於直接解法的平原河網模型和基於有限節點法的平面二維水力模型，在對各模型的演算法進行推導的基礎上自行開發了計算程序。
  18. Using stable heat transferring theory, a thermo hydraulic model has been built, which has considered the influence of the core temperature and cooling hydrogen temperature. and bring forward a modifying method, which let the model can be used in the varying winding current condition

    在此基礎上本文提出了溫度傳遞延時的修正方法，使基於穩態傳熱的溫度水力模型可以應用到定子電流發生變化的情況，解決了定子電流變化時模型精度差的問題。
  19. In addition, the development of rolling analog table for performance test of the tank model is expatiated. according to the lagrange dynamics equation of motion, a mathematical model of the ship - controlled passive anti - rolling tank system is developed

    論文介紹了減搖水艙的分類和特點，總結了減搖水艙國內外發展和研究現狀，及用於水艙模型性能試驗搖擺臺的發展及模擬方法。
  20. It is found that the automatic detection of drainage networks from digital elevation models is affected by flat areas and closed depressions. a variety of methods have been proposed to treat these two features, but it can be seen that the flat areas and closed depressions are processed only after they have been created, so that many spurious and parallel drainage courses are generated

    數字高程模型（ dem ）已在分散式流域水文模型中得到了越來越廣泛的應用，但dem中的閉合窪地和平坦區域影響著流域河網的自動提取。目前已提出好多方法來處理這兩種地形，但均針對已經形成的dem單元網格進行處理，結果往往生成偽河道及平行河道。
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