groundwater equation 中文意思是什麼

groundwater equation 解釋
地下水方程
  • groundwater : 地泉水
  • equation : n. 1. 平衡，均衡；平均，相等。2. 【數學】方程式，等式。3. 【天文學】（時）差；均分，等分。4. 【化學】反應式。
  1. The calculation formula of seepage tensor to the model of non - linear seepage with the area of karst conduit in the whole coordinate axis is deduced. on the basis of galerkin finite element method, the equation of finite element with the non - linear seepage of groundwater is educed, on the foundation of this information, the program of karcon. for is compiled

    推導出整體坐標系下巖溶管道區非線性滲流模型滲透張量計算公式，基於galerkin有限元法，導出了地下水非線性滲流的有限元方程，在此基礎上編制了計算程序karcon . for ，將該程序用於典型模型的計算分析，結果表明該方法是合理的。
  2. In order to derive this equation, one has to assume no spatial variability in k, f and n, to neglect the effect of capillary rise above the groundwater table, and to invoke the dupuit - forcheimer approximation, which states that the hydraulic head is independent of depth

    圖1潛水面的示意圖為了利用dupuit - forcheimer假設推導出以上的方程，必須假設k ， f以及n t在整個潛水面上的空間不變性，同時忽略潛水面上的水分的毛細運動
  3. The cause of vacuum degree formation under groundwater table is discussed in the paper. the testing results show that vacuum degree above the groundwater table is produced directly by pumping air, and that vacuum degree below groundwater table is produced mainly by dewatering and by escaping of sealed air from the end of flexible pipe. based on the bernoulli equation, the limit lowering of groundwater table is analyzed, which is about 5 ~ 7m. the effective influence depth of vacuum preloading has relationship with pvds depth and can be more than 10m

    對地下水位線以下的真空度成因進行了分析，結果表明，地下水位線以下測到的真空度是由於測試軟管中水位下降或部分封存氣體從軟管末端逃逸引起的，與地下水位線以上的真空度由抽氣直接形成在成因上存在不同；根據伯努俐方程，對地下水位下降的極限深度進行了分析，得出真空預壓中地下水位的極限下降深度為5 7m ；對有效影響深度的分析結果表明，真空預壓的有效影響深度與塑料排水板的打設深度具備一定關系，有效影響深度可以超過10m 。
  4. ( 2 ) on the basis of continuity equation, momentum conservation equation, energy conservation equation, and substantial equation, coupled thm governing equations are derivated with giving up the assumption of local thermal equilibrium, adopting thermal elasto - plastic constitutive relation, taking the effect of temperature gradient on groundwater seepage ( analogous to soret diffusion ) and the effect of viscous dissipation of groundwater on temperature field of rock mass into account

    （ 2 ）根據連續性方程、線動量平衡方程和能量守恆方程以及相應的物性方程推導了飽和巖體溫度場-滲流場-變形場三場耦合作用控制方程組。在推導控制方程組時舍棄了「局部熱平衡」假設，採用了熱彈塑性本構關系，考慮了溫度梯度對地下水滲流的影響（類soret效應）以及地下水的粘性耗散對巖體溫度場的影響。
  5. In order to overcome difficulties in the recovery of historical tritium concentration in the determination of shallow groundwater age by the method of mathematical physical model, this paper, just taking the expolatianal model as the example, deduces a new formula to calculate the groundwater age based on the equation of the tritium mathematical physical and the tritium analysis results in different times

    摘要為克服應用氚同位素方法確定現代地下水年齡過程中存在的，需確定地下水系統輸入項的歷史背景濃度問題，本文根據地下水同位素數學物理方程，以全混模型為例，利用不同時期地下水同位素的測試結果，通過數學迭代運算，推導出計算現代地下水年齡的計算公式。
  6. Using numerical solution for inverse problem in partial differential equation, a method for initializing groundwater table on base one pumping test and recharge estimation on two pumping tests were presented. then a numerical model for groundwater table forecast was developed

    本文利用對偏微分方程逆問題的數值求解，給出了由一組抽水井實測水位計算地下水初始水位以及由二組抽水井實測水位值估算總補給量的方法。
  7. 2. based on the analysis of the historical evolution of jinan springs ' spurting, a quantity equation between the anaual average spring discharge and the anaual lowest water table is built according to the statistic data, which enable us to gain the corresponding relation between baseline water level and the smallest scenic discharge of spring gushing. then the groundwater discharge in the spring area is calculated and the controlling parameter of maximum available amount of groundwater exploiting is obtained

    泉域總面積1486平方公里。 （二）通過分析濟南市泉群噴涌歷史統計資料，首先建立泉群年平均噴涌量與年最低地下水位之間的定量方程，得出四大泉群噴涌的底限水位與最低景觀流量的對應關系，然後，計算泉域內地下水的入滲補給量，再得出保證泉涌的地下水最大允許開采量的控制性參數。
  8. According to the seepage equation of the groundwater and using the finite element method, this thesis establishes the mathematics model for two and three dimensional seepage

    採用有限元理論，以地下水滲流方程為基礎，針對基坑降水建立了地下水的二維和三維滲流數學模型，完善了深基坑降水滲流計算方法。
  9. Yang and xie 9 developed a numeri - cal model for the moving boundary problem through reducing it to a fixed boundary problem by a coordi - nate transformation. it is necessary to reduce the a subsurface runoff parameterization with water storage and recharge based on the boussinesq - storage equation 623 computational cost of the groundwater model so that it can be applied to a land surface model for climate studies

    文獻9通過一個坐標變換將運動邊界問題轉化為一個固定邊界問題，進一步改進了該土壤水模型的數值計算方法，使其減少計算量，達到能在一般通用的模式中實際應用
  10. Based on chapter 2, mathematic model to simulate solute movements in groundwater is established in chapter 3. in order to gain the solution of fluid equation, adi method is used to calculate

    對水質方程，用有限元法求解，通過區域剖分和插值方法將描述溶質運移的定解問題化為代數方程組進行求解。
  11. 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。
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