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- There are two conditions in the data analysis of piezometric tube observation: confined seepage flow and unconfined seepage flow. (2)建立大坝有压渗流观测资料的统计分析模型。
- Solutions for two-dimensional unconfined seepage flow by linking of boundary element method and coordinate transformation method 边界元法和坐标变换法解二维无压渗流
- unconfined seepage flow 无压渗流
- Seepage flow can be observed in stalactite caves. 在钟乳石溶洞里,可以见到渗流现象。
- This thesis discusses seepage problem from finite element method for solving unconfined seepage field, permeability coefficient inversion and seepage monitoring model. 本文从求解无压渗流场的有限单元法、渗透系数的反演和渗流监控模型三个方面对该问题进行了探讨。
- The typical seepage flow field of the bottom for the spillway dam is obtai... 最后计算了典型的坝基渗流流场,计算结果与实验结果吻合较好。
- Based on the method of adjusting the conductivity matrix, the composite element method is proposed to deal with the elements intersected by free surface in the analysis of unconfined seepage problems. 针对无压渗流问题,在传导矩阵调整法的基础上,对穿越自由面的单元用复合单元来处理,每个复合单元具有两套结点水头,一套用于饱和区的水头插值;另一套则用于无水区。
- Modified initial flow method for FEM analysis of unconfined seepage 无压渗流有限元分析的改进初流量法
- We now turn our attention to a quite different kind of flow, the seepage flow of a fluid through a porous medium. 现在我们要把注意力转向完全不同的一类流动,即通过多孔介质的渗流。
- Using this method, the trend of the seepage flow is analyzed in No. 1 tailings dam of Dexing Copper Mine. 该方法将时间序列、数据序列分离,并分别与阶段序列构成模型后,进行同步预测。
- At same time, the critical water level is proposed in accord with the trend of seepage flow of dam. 同时以大坝综合渗透率是否随时间增大为标准,提出了监控大坝渗流稳定的临界水位,对实际运行监控有一定意义。
- Then the characteristics of the seepage flow associated with the heightening of the ash dam are studied in detail. 在此基础上,进一步对该灰场灰坝加高过程中的渗流问题进行了数值预报。
- The seepage flow characteristics of this block were simulated by exerting different back-pressure for core. 得到了裂缝性低渗透储层岩心水相渗透率随回压的变化曲线。
- As we know, there are close relations among gas hydrates and faults, carbonate, seepage flow and salt diapirism. 天然气水合物与断层、碳酸盐岩、渗流和盐底辟等构造都有比较密切的关系。
- This paper discusses the seepage flow characteristic of the single phase fluid in ultra-low permeable cores using experimental method. 通过实验手段,探索了特低渗透率岩心单相流体渗流特征。
- Unconfined seepage analysis with composite element method 无压渗流分析的复合单元法
- Seepage flow numeration is an effective tool for simulation,dynamic analysis,effect evaluation and forecast of drainage process in rockmass. 渗流数值计算是岩体排水设施和仿真模拟、动态分析、效果评价及预测的有效工具。
- A three dimensional mathematical model of seepage flow is established based on the background of ash dump of Shouyangshan Power Plant. 摘要以首阳山电厂徐家沟灰场为背景,建立了渗流运动的三维数学模型,并用有限元法进行了数值计算。
- A generalized equivalent-continuum method is presented for calculating variably saturated seepage flow in fractured porous media. 描述了一种计算裂隙多孔介质中变饱和渗流的广义等效连续体方法。
- On the basis of the Darcy's law and the established seepage flow model,two composite formulas of permeability were derived with mathematic calculation. 根据达西定律及建立的渗流模型,经过数学推导,得到垂向和水平方向两类渗流模型的渗透率合成公式。
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