| 1. | Analysis of continuum model and fundamental equations for flow in porous media 渗流的连续介质模型和基本方程的分析 |
| 2. | Equivalent continuum model and its application to the seepage analysis of rock slope 岩质边坡渗流场中等效连续介质模型的应用 |
| 3. | Granular model can better reflect the characteristics of feedstock of mim than continuum model 颗粒模型和连续介质模型对比,更能反映mim喂料的特点。 |
| 4. | Based on the equivalent continuum model and the characteristics of fem utilized , the method of latent complex - material element was firstly introduced to simulate the faultage 在拟连续介质模型的基础上,充分利用有限元法的特点,首次提出用隐式复合材料单元法对主要断层进行模拟。 |
| 5. | The long range interaction simulated by polarizable continuum model , the hydrogen bonding interaction , and the whole interaction between the solute and the medium were separately investigated 分别研究了由极化连续模型模拟的溶剂和溶质分子的长程相互作用,溶剂和溶质分子的氢键作用,以及溶剂和溶质分子的整体作用对分子结构和性质的影响。 |
| 6. | According to the representation of the heterogeneity , mathematical models for predicting flow in fractured geological media fall into one of three broad classes : equivalent continuum models , discrete fracture network simulation models and hybrid techniques 根据对这种非均质性的不同处理方法,对裂隙岩体中的渗流进行预测的数学模型通常可以分为三种:等效连续体模型,离散裂隙网络模型和混合模型。 |
| 7. | The polarized continuum model is used to simulate the influence of the solvent environment on the solute molecule . in the first place , the geometry optimization of pna molecule in each solvent is redo by using the polarized continuum model on the base of density functional theory 首先,在密度泛函理论基础上采用极化连续模型重新优化了pna分子在每种溶剂中的几何结构,研究了不同溶剂对pna分子的几何结构的影响。 |
| 8. | So , in order to explain the experimental results and design strong two - photon absorption molecules , solvent effects must be considered . new theoretical models for calculations of solvent effects must be developed . the solvent effects are carried out by the self - consistent reaction field theory with the polarizable continuum model in this work 因此,为了解释实验结果和合成双光子吸收特性强的分子,必须考虑溶剂的影响,这就需要人们发展新的理论模型来计算溶剂效应。 |
| 9. | The research aims at the demonstration and the mend of the design on the new purifier and presents a calculation method for solving the two - phase flow in fluid machine by the finite element method . after analyzing the two - phase flow in the new purifier by means of the continuum model , poisson equation , navier - stokes equation and continuous equation are derived and solved by using the finite element method . the solution on pressure , velocity and particle concentration simulates the departure well between oil and water , which proves the accuracy of the design on the new purifier 本文采用两相流连续介质模型,由两相分离流动理论得到控制方程,采用chorin的直接速度-压力mac法的思路,对新型油水分离装置内油水两相流动作了细致的分析,同时首次把科氏惯性力引入两相流模型中,进行分析和计算,将研究扩展到三维,并用有限元法分别解poisson方程、 n - s方程、连续方程的方法,对流场内压力场、速度场、浓度场进行了分析和计算,较好地模拟了新型油水分离装置内油水分离的现象,证明了设计方案的正确性。 |
| 10. | This paper presents a review of the moisture transfer theories in porous media during drying processes in the last century . then an innovative pore network model in drying based invasion percolation theory and pore network theory essentially different from the classical continuum model is developed . moisture transfer characteristics in porous media during drying process are studied under isothermal and absence of gravity 本论文首先回顾了近一个世纪以来多孔介质在干燥过程中内部湿分迁移理论,指出孔道网络理论在多孔介质干燥研究中所具有的独到优势,继而借助侵入渗流理论所取得的成果,结合孔道网络理论,分析了干燥本身的湿分迁移特征,模拟研究了多孔介质在等温条件下不考虑重力时的干燥过程。 |