滲流線 的英文怎麼說
中文拼音 [shènliúxiàn]
滲流線
英文
line of percolation-
The main contents are as follows. ( 1 ) filter cloth and the surrounding soil mass are taken as an approximate isotropy in horizontal section, the relationship of stress and strain is studied, the anisotropy is fully considered, the constitutive model of filter cloth reinforcement fly - ash compound is obtained, it is tested with numerous indoor experiments. ( 2 ) the permeable coefficient is introduced into the constitutive relationship of soil mass with relevant seepage theory ( kozeny - carman experience formula ). the test of filter cloth depositing hi the condition of long term seepage flow is done hi the dissertation, the varying regular of permeable coefficient without pressure is presented
本文首先對國內外的研究現狀作了回顧和總結,然後主要針對土工織物加筋粉煤灰復合體的本構關系和計算理論進行研究,主要內容有: ( 1 )將土工織物和周圍土體視為一種近似的彈性非線性橫觀各向同性體,研究它的應力應變關系,充分考慮它的各向異性,得到土工織物加筋粉煤灰復合體的本構模型,然後通過大量室內試驗進行分析驗證; ( 2 )引入有關滲流理論,即柯茲尼-卡爾曼( kozeny - carman )經驗公式,將滲透系數引進到土體本構關系中。The thesis built the relation between containing water and the properties of trail dam ' s soil by geomechanical properties of trail dam ' s soil ; analysed the seep rule of water in the trail dam ' s field and the change of soakage line. the thesis applied the limited element to analyze the trail dam of baogang by the engineering item in production. it calculates the dynamic and static response about the dam using the numerical simulation method
本文通過大量的尾礦土物理力學性質試驗資料,建立了含水量與尾礦土性質之間關系曲線;分析了水在尾礦壩區的滲流規律和不同標高時浸潤線的變化情況,為分析尾礦壩的穩定性提供依據;結合生產上的工程項目,從包鋼尾礦壩的穩定性研究入手,應用有限元法,通過數值模擬分析了水對尾礦壩的靜力、動力穩定性影響。The resistivity - temperature curve can be predicted by using this mathematical model, which was in good agreement with the experimental data when the cb volume fraction is close to the critical volume fraction
利用這個數學模型,還對兩種ptc材料的阻溫曲線進行了預測,與實測結果比較發現,當炭黑含量在滲流閾值附近時,預測值與實測數據吻合很好。Fitting the experimental data into the general effective media ( gem ) equation, a theoretical percolation curve was gained. a mathematical model was proposed which is based on the gem equation and the dilution effect of filler volume fraction due to thermal volume expansion
使用有效介質普適方程( gem方程)對實驗數據進行擬合,得到導電復合材料的理論滲流曲線,根據gem方程和基體的體積膨脹,建立起一個數學模型。Frictional performances of sulphurized layers on carbon steel using plastic flown line theory
用塑性流線理論對碳鋼滲硫表面摩擦特性的研究The fractal is a geometrical figure with self - similar symmetry, and it is an important tool for characterizing irregular structures in nature that are self - similar on certain length scales. for example, the koch curves can be viewed as a mathematical model for coastlines, percolation model can be used to mimic mixture of mental and insulator, self - avoiding walks can serve as a model for linear polymers, and rock fracture mode can stimulate the process of brittle fracture of rock, and so on
分形是具有自相似對稱性的幾何圖形,可用來模擬自然界中在一定尺度范圍內具有自相似對稱性的不規則結構,如koch曲線可用來模擬海岸線,滲流模型可模擬金屬絕緣體混合物,自迴避無規行走模型可模擬線性聚合物,巖裂模型可模擬真實巖體的脆性破裂等。We study in this paper the filtration problem in partially saturated layered porous media in one dimensional. that is the thid problem boundary value problem of on dimensional degenerate quasi - linear elliptic - parabolic equation with discontinuous coeffi - cients. the existence, uniquess of the solutions and some properties of the solution are proved
本文主要討論一維有限雙層多孔介質中部分飽和的滲流問題,即具有間斷系數的一維擬線性橢圓-拋物退化方程的第三邊值問題。證明了該問題的解的存在性、唯一性及弱解的邊界性質。Combing the linear seepage model with hydrogeology in the region of zhong - liang reservior, the analysis of the problem of positive and negative is emphasized. make use of with some observing information of boreholes in this region, adverse seeking the hydrogeology of the reservoir in the region with finite element method, the leakage quatity of karst water in the region of reservoir is forecasted.
線性滲流模型結合了中梁水庫庫區水文地質條件,重點進行正反問題的計算分析,利用研究區若干觀測孔資料,採用有限單元法反演庫區的水文地質參數,並預測了庫區巖溶水滲漏量。Based on the nonlinear relationship of permeability velocity and hydraulic gradient, four non - darcy seepage models were summarized to investigate the permeability behavior of soft soil under consolidation pressure
摘要針對傳統固結理論不能考慮非達西滲流的不足,研究了滲流速度與水力梯度的非線性關系。Fitting results of three non darcy seepage models including three - parameter model, power exponent model and two - section model were pretty good, and broken line model could be simplified to the forms of linear permeability model and darcy model
試驗與分析結果表明,三參數模型、冪指數模型和非線性分段模型這3種非達西滲流模型的擬合效果較好;折線滲流模型簡單實用,在特殊情況下可以簡化為線性滲流模型或達西定律。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。The theoretical study of the recovery percent vs. water cut of thin and bottom water reservoir in luliang oilfield is based on developing its geologic and flow models, obtaining oil - thickness ratio, oil - water viscosity ratio, relative permeability curve parameter and chart of effect of bottom water toning, etc., on water - yielding pattern of the reservoir
摘要在建立了陸梁薄層底水藏地質及滲流模型基礎上,採用理論研究的方法,研究了薄層底水油藏采出程度與含水率關系式,並獲得了油厚比、油水粘度比、相滲曲線特徵參數以及底水錐進等對油藏產水規律的影響關系圖版。The main factors affecting percolation in low permeability reservoirs include stress, threshold pressure gradient, slippage effect and water - blocking effect, which play various roles on percolation, but all will result in non - linear percolation in the end
影響低滲氣藏滲流特徵的主要因素有應力作用、啟動壓力梯度、滑脫效應和水鎖效應等因素,並且這些因素對滲流影響各有不同,但最終均引起低滲氣藏滲流的非線性化。In the three models of calculating the leakage quantity of karst water, on account of the linear and non - linear seepage model are accord with the movement of darcy flow and non - darcy flow coexists with the practical instances in zhong - liang reseviour, so the calculation result of leakage quantity of karst groundwater with this model is more reasonable
在上述三種計算庫區巖溶水滲漏量的模型中,由於線性?非線性滲流模型同時考慮了與中梁水庫區實際情況相符合的達西流和非達西流區域並存的地下水運動,因此,利用該模型計算出的庫區巖溶水滲漏量更合理。The type curves are caculated and graphed. the well functions are simplified and the values of well functions in common use are caculated. as an example, the aquifer parameters are determined according to the type curve method
為了方便計算和應用,文中計算並作出了一些常用的井流函數值表,並舉例說明了用配線法求水文地質參數和非線性滲流模型參數的方法。Considering the seepage of linear and the seepage of non - linear in the karst area are always coexisting, the model of linear seepage and non - linear seepage is put forward firstly on the basis of domain decomposition method. the movement of groundwater in an ideal model is simulated with this method, and the program of dar - nondar. for is compiled. then these results are applied to zhongliang water resources and power engineering, the leakage quantity of karst water is calculated
考慮到巖溶區滲流往往都是線性流與非線性流並存,首次提出了基於區域分解法理論的線性?非線性滲流模型,利用該方法模擬出理想模型中的水流運動,並編制了計算程序dar - nondar . for ,然後將該成果應用於中梁水利水電工程中,預測出庫區巖溶水滲漏量。The approach consists of accounting for the soil - water interaction, regarding the dilatancy as a source term enabling relative motion between soil and water to occur, and simultaneously solving these equations to obtain the details of development of the stress and motion of soil and water
該方法可同時考慮到土?水相互作用,慣性力,水滲流,和各種非線性影響因素在內,把剪脹做為使土?水相互運動的動因,並可同時求解出土、水的運動和應力狀態。In order to study the influence of evolvement of permeation character induced by mesoscopic structural characteristics on macroscopic mechanical behavior and fracture mechanism, a nonlinear constitutive equations describing the relationship between damage of rock and seepage is proposed based on mesoscopic damage mechanics and biot seepage mechanics theory and coupling system of flow & solid in rock failure process analysis, f - rfpa2d, is developed to simulate the variation of permeability as well as coupling mechanism between seepage and stress during the initiation, propagation and coalescence of cracks in rock. this study also extends the research field of original rfpa2d
為了分析細觀結構特性變化引起滲透性演化對宏觀力學行為的影響,並進行滲流應力耦合作用下巖石破裂機制的研究,本文基於細觀損傷力學和biot經典滲流力學,建立了巖體損傷非線性本構方程和滲透率關系模型,開發出巖石破裂過程滲流-應力耦合分析系統( couplingsystemofflow & solidinrockfailureprocessanalysis簡稱f - rfpa2d ) ,拓寬了原有程序rfpa2d的研究領域。( 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。Fractured rock mass ; seepage ; nonlinear programming ; feedback analysis
裂隙巖體滲流非線性規劃反饋分析分享友人