渗流

The weak form of the governing equations of coupled thermo-hydro-mechanical problems in porous media within the element is established on the basis of the Hu-Washizu three-field variational principle.

基于胡海昌-Washizu 三变量广义变分原理给出的多孔介质中热-渗流-力学耦合问题控制方程的单元弱形式，导出了单元公式。

The relative permeability curve types,based on the shape of relative permeability curves of water,include normal,straight,arch,humpback and the transition type between straight and arch type.

分析结果表明，低渗透砂砾岩储层的非达西渗流使油相的相对渗透率增大，使水相的相对渗透率减小。

For the unstable state flow of single phase fluid, the finite element method is compared with analytical solution for one-dimensional plane flow.

为使模拟计算更加接近实际情况，将油水井作为油藏的内边界处理，建立各向异性油藏单相流体渗流问题的有限元方程。

The damage of retrograde condensate pollution on condensate gas wells is a very important problem while condensate reservoirs are developed,which decreases the productivity of the condensate gas wells and causes the slope of quadric form negative.

反凝析污染对凝析气井的伤害是凝析气藏开发中遇到的一个非常重要的问题，它不但降低了近井地带的渗流能力，造成所求的产能偏小，且有时会使产能指示曲线出现斜率为负的异常情况。

According to the shunt-wound principle of seep network, established method of calculation of permeability of equivalent of network of cliff body cranny.

根据渗流网络的并联原理，建立了岩体裂隙网络等效渗透率计算方法。

On their common boundary of the two computational domains they share the same water head and equal value of discharge rate with opposite sign.

为了适应计算过程中内部边界条件不断变化的特点，采用无网格法伽辽金法（element free Galerkin method，EFG）对渗流场进行计算。

Using RFPA2D-Flow stereo-gasses coupled system to simulate the process of gas draiange in lower air permeability coal seam by loose blasting,it interprets that loose blasting is a effective ways to increase air permeability in low air permeability coal seam .

运用RFPA2D-Flow固气耦合系统模拟了松动爆破抽放低透气性煤层内瓦斯的过程，解释了爆破松动是增加低透气性煤层透气性的有效途径，本文对松动爆破前后抽放过程中煤层内瓦斯压力和瓦斯渗流场的变化规律进行了数值模拟对比，为进一步理解瓦斯抽放、松动爆破增透机理等提供理论基础和科学依据。

In order to calculate the high external water pressure, the rock seepage field and external water pressure coefficient should be treated in detail.

对于外水压力的计算方法主要有渗流场分析方法和外水压力作用系数法。

Based on Betti energy iterative law, the damage deformation mechanism of fractured rock mass under stress and seepage pressure has been studied. Furthermore 3D elastic and elastoplastic damage-fracture constitutive relation and damage evolution equation considering seepage pressure have been established.

基于Betti能量互易定理，系统研究了应力场与渗流场共同作用下的岩体损伤演化机制，建立了考虑渗透压力的三维含水裂隙岩体脆弹性和弹塑性断裂损伤本构模型和损伤演化方程。

Finally, aluminium alloy foam specimen with different structural parameters were made to investigate the variation of underwater sound absorption coefficient.

最后，本文利用前面得到的低压渗流法的较佳的工艺参数，制备了不同结构参数的泡沫铝样品，并研究了样品的水下声吸收系数的变化规律。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。