非穩定流 的英文怎麼說
中文拼音 [fēiwěndìngliú]
非穩定流
英文
nonsteady flow- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 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...
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
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It describes unsteady flow toward a discharging well in an extensive aquifer.
它描述位於廣闊含水層中的抽水井的非穩定流。According to differences of construction process, boundary condition, temperature and stress of two schemes extending 3m deep short seam on upstream face in the middle of rcc overflow section and no short seam are calculated, what " s more, in this paper the equivalent line drawing of stable temperature field and unstable temperature field during construction and operation period and the duration curve drawing of typical points " s temperature and stress are plotted, and the results of peak and minimum on temperature in every month and maximum on tensile stress are attained
根據施工過程和邊界條件,對溢流壩段中間上游面增設3m深短縫和不設短縫兩個方案進行了溫度和應力計算,並繪制出穩定溫度場等值線圖及施工期、運行期非穩定溫度場等值線圖,典型點溫度和應力歷時曲線圖,逐月最高、最低溫度和最大拉應力及相應位置等成果。Compared with the reality, it shows that this model and its parameters are defined reasonablly. to analyse the arrangement of drainage system with different spacings and depths, with unsteady flow formula and benefit index, this paper gives a two - dimensional non - linear programing model for arrangement of drainage system in the barley field, which can be solved by the method of projected gradient. by this model, we make out the optimum solution of spacings and depth of pvc pipe in littoral area of changjiang river that is s = 21. 5 8m, h = l. lm
論文通過對不同埋深、間距的塑料暗管排水布局的分析,結合非穩定流公式和效益指標,提出了麥田排水暗管布局的二維非線性規劃模型,並利用梯度投影法求解,得出長江下游濱海地區塑料排水暗管埋設的最優方案為埋深h = 1 . 1m ,間距s = 21 . 58m 。It is shows that the mode of the finite element method with the bishop method is better than general modes
結果說明,有限元法與條分法相結合能充分考慮非穩定滲流期滲流力對土壩穩定的影響,比常規方法更符合實際情況。Influence of unsteady seepage on the stability of cement - soil retaining wall
非穩定滲流對水泥土擋土墻穩定性的影響Oseen unsteady flow
奧新非穩定流Discontinuous deformation analysis of rock slope stability under unstable seepage flow
非穩定滲流作用的巖體邊坡穩定非連續變形分析Unsteady seepage analysis of tailings dams considering coupling of stress and seepage fields
考慮應力場與滲流場耦合的尾礦壩非穩定滲流分析Then the isoparametric finite - difference three - dimensional transient groundwater numerical model is presented. visual modflow, the most popular standard visualization software package approved by the hydraulic scientists and technicians on simulating the groundwater flow is used to simulate and calibrate the groundwater level and quantity of the research area. at last, the changes of the hydraulic head and the produced quantity in the future were predicted according to the tested parameter and the modified model
在水文地質概念模型的基礎上,進一步建立了研究區完整的三維有限差分非穩定流數學模型,利用目前國際上最盛行,且被各國同行一致認可的三維地下水流模擬軟體? ? visualmodflow對該區地下水的水位和水量進行模擬求解,最後,利用識別的參數和驗證后的模型預測了今後的水位變化趨勢和可開采量。In order to optimize control and management groundwater resource, the paper ascertains hydrologic and geological parameter on the basis of single - and multi - well unbalance flow pumping experiment, establishes the model of groundwater management system using the theory of volume balance
本文在單、群井非穩定流抽水試驗的基礎上,確定水文地質參數,利用水平衡原理建立地下水系統管理模型,進行優化管理和調度。The paper selects the subject entitled " the isoparametric finite - element three - dimension groundwater ( fe3dgw ) model for fracture - karst water resources and numerical simulation in jinan springs zone ", which is one sub - task of items on " exploitation and springs protection of jinan fracture - karst water ( no. 200001 ) " in this paper, the following questions are discussed : first, according to the site survey, and other relative datum, the condition of physical geography, geography and hydrogeology are summarized
本文的研究課題? ?濟南市巖溶地下水數值模擬研究是山東省計委計劃項目「濟南市巖溶地下水開發利用與泉群保護研究( no . 200001 ) 」的子課題。主要研究內容有:第一,在調查和閱讀分析相關資料的基礎上,概要總結和闡述泉群研究區域的自然地理、水文地質條件和地質概況,提出研究區水文地質概念模型,進一步建立濟南泉群研究區非均質各向異性三維非穩定流數學模型,利用等參有限元技術進行數值求解。Since the underwater level is basically immune to the changes of rainfall, the seepage flow is steady on the whole
巖體裂隙中的地下水位基本不隨降雨量的變化而起伏,船閘區巖體滲流非穩定特性不明顯,基本屬于穩定滲流。As we all know, the heat transfer of geothermal heat exchanger ( ghe ) is affected by a lot of factors, where groundwater advection has a comparatively great impact indicated by experimental data. while almost all the design tools for ghe are based on principles of heat conduction and rely on some estimate of the ground thermal conductivity and volumetric specific heat. however, the large part of vertical u - type pipe lies in the saturated soil, especially in zones along the coast or with plentiful groundwater, which will be affected by groundwater advection greatly
但是對於垂直u型埋管來說,管段大部分位於土壤飽和區內,實際上其穿透的地層中總是存在著地下水的滲流,尤其是在沿海(河、湖泊)地區或地下水豐富的地區,埋管的傳熱性能大部分都受到地下水滲流的影響,此時土壤內發生的是熱傳導和地下水滲流共同作用下的復雜的、非穩定的傳熱傳質過程(簡稱熱滲耦合傳熱過程) 。( 2 ) used the predecessors " research achievements for reference, an experimental provision by which relationship between capillaiy pressure and saturation and relationship between unsaturated permeability and capillary pressure of fracture can be determined simultaneously is developed for the first time. experiment of simplified fracture model on the provision is done
借鑒前人的研究成果,基於動力法原理(即逐次建立水相和氣相之間的穩定流動狀態) ,首次研製出了一套可同時測定單裂隙毛細壓力飽和度以及非飽和滲透系數毛細壓力關系的實驗裝置。All these have the theoretical meaning and applicable value, and also present useful reference to the slope stability analysis, slope disaster prediction and slope control etc. under unstable seepage
可為非穩定滲流下邊坡穩定分析、滑坡災害預報和邊坡治理等方面提供有用的參考,具有一定的理論意義和使用價值。Abstract : the 2 - d unsteady flow field calculating program has been developed. with this program, the flow processes have been calculated in pool
文摘:開發了二維非穩定態流場計算軟體,應用該軟體計算了明渠中蓄水池內的非穩定態流動過程Owing to unsteady ship driving power, vibration of ship body, sealing function of seal part and variable stern flow companying with rotating propeller, the unsteady force results to vibration of ship shaft, which makes the oil film of stern journal bearing vibrate
由於船舶動力的非穩定性、船體的振動、尾軸密封裝置的密封作用及螺旋槳的不均勻伴流作用,導致尾軸振動,使得尾軸承潤滑油膜渦動。Pore - water pressure distribution calculated by the program is used to slope limited equilibrium analysis, is synthetically analyzed with the fluctuation of the upper reach ' s water level of dam and core - wall dam upper or down are analyzed synthetically when the upper water level changed
把在計算非穩定滲流中所得到的孔隙水壓力分佈用於邊坡極限平衡分析。綜合分析壩體上游水位變化時,均質壩上、下游邊坡和心墻壩上游邊坡安全系數的變化規律。Based on the mode of the finite element method and the bishop method, this article analysed the stability of the dam reach slid surfacely in the period of unsteading infiltration in the case of yuecheng reservoir, then contrasted the mode with general modes
摘要採用有限元法與條分法相結合的方式,以岳城水庫主壩為例,對淺層滑坡壩段進行了非穩定滲流期的穩定分析,並與常規方法進行了對比。The paper solved unsteady groundwater flow equation with the mentioned disperse pattern and the results have shown its stabilize astringency. the method was applied to manipulate groundwater in shuishy area, dalian and got satisfied results. this method can also be applied in other relevant fields
本文用它求解非穩定流地下水運動方程,並證明了演算法穩定性及收斂性;還用這種方法對大連水師營地區地下水運動狀況進行了數值模擬,且取得了較好的效果,此法也可在其它類似計算中推應用。分享友人