| 1. | Plastic limit analysis of heterogeneous soil slope using finite elements
非均质土坡的有限元塑性极限分析 |
| 2. | Test study on compression and deformation behavior of light heterogeneous soil mixed with expanded polystyrene
聚苯乙烯轻质混合土的压缩变形特性试验研究 |
| 3. | So as to estimate evaporation power of heterogeneous soil surface more efficiently , the k - b model is improved
为了更有效地计算非均匀地表蒸发力，对现行的k - b模式加以改进。 |
| 4. | 3 . for the two - region model of one - dimensional solute transport through heterogeneous soils considering scale - dependent dispersion and immobile region under steady state flow , the numerical model is obtained by characteristic finite element method
对于稳态水流条件下，非均质土壤中考虑水动力弥散尺度效应以及不动水体存在时，一维溶质运移的两区模型，建立了相应的特征有限元数值模型。 |
| 5. | In this paper it is theoretically studied that how to realize the quantitative analysis of defective piles in heterogeneous soil . and a program has been compiled according to the expression of quantitative analysis , by which the degree of integrity can be calculated
本文从理论上研究了如何实现成层土中基桩完整性的量化分析，提出了量化分析公式，并根据量化公式编制了缺陷计算程序，最后对模型桩试验进行了分析验证。 |
| 6. | In this paper , starting with the physical mechanics of land surface hydrologic process and the introduction of the theory in probability statistic distribution , an analytical expression of heterogeneous evapotranspiration efficiency is given which takes heterogeneous soil water content ' s subgrid scale spatial variability into account , through which the parameterization scheme of subgrid scale soil surface ' s evapotranspiration efficiency ( which is generally called mosaic method ) is modified to a statistic - dynamic scheme in which a whole heterogeneity of the grid region is considered
本文从陆面水文过程的物理机制出发，引进概率统计分布理论，推导出一种由非均匀土壤含水量次网格尺度空间变率所形成的非均匀蒸发散率解析表达式，从而将通常的次网格尺度地表蒸散率的参数化方案( mosaic方法) ，改进为考虑网格区整体非均匀性的统计-动力参数化方案。 |
| 7. | Thereby the complicated evaporation process of heterogeneous soil surface is simplified into a flux integral expression which contains two - pail contributions from soil water relatively saturated region and unsaturated region , and it is proved that the calculation of mean evapotranspiration efficiency in grid region can be simplified into weighted average of heterogeneous regions
从而将非均匀地表区域的蒸发过程的复杂机制分解为地表层土壤水分饱和区与非饱和区影响下的通量贡献积分式，从理论上证明，网格区平均蒸散率的计算可简化为不同性质的区域加权平均。 |
| 8. | So a new method is presented ( equivalent damping of pile lateral damping ) to realize the analysis of integrity pile in soil . in this method , the coefficient of the damping is calculated by the length ratio of each pile in a soil layer to the whole pile in the heterogeneous soil . and through much calculation by use of matlab program , the equivalent damping in the heterogeneous soil is proved to be correct
提出了采用加权的方法对成层土中桩侧土阻尼系数进行等效简化的概念，即把各层土阻尼系数乘以该层土中桩段长度占桩身总长的比值(即为加权系数) ，然后相加即得到一个等效阻尼系数。 |
| 9. | Based on the fundamental theory of dynamics of soil moisture and the condition of water storage pit irrigation , numerical modeling of soil moisture movement of single water storage pit in heterogeneous soil is established . adi ( alternating direction implicit method ) and gauess - seidel iterative method are used to solve it . by using the simulated value of modeling , the relation of water injection volume and maximum horizental distance of moisture frontal are concluded . according to the relation , interval of pits are derived . then , after analyzing the infiltration characteristic of soil moisture under the condition of interference infiltration in multi storage pit , numerical modeling of soil moisture movement of multi water storage pit in heterogeneous soil is established , and its numerical solution is also acquired
利用adi (交替方向隐式差分法)结合gauess ? seidel迭代法对模型进行数值求解。利用模型的计算结果得出了单坑注水量与湿润锋最大水平推进距离之间的关系，并据此确定了坑距。在此基础上，通过对多坑干扰入渗条件下土壤水分入渗特性进行分析，太原理工大学硕士研究生学位论文建立了蓄水多坑非均质土壤水分运动数学模型，并对其进行数值求解。 |
| 10. | According to the regional evapotranspiration analytical expression of heterogeneous soil surface applicable to moist climate region which is put forward in this paper , on one hand , soil water absorption is calculated under the consideration of the hydrological condition and hydraulic characteristic of soil surface ; on the other hand , using improved k - b model which is based on penman formula , the potential evaporation power is calculated
基于本文所提出的适用于湿润气候区非均匀地表的区域蒸散率解析表达式，一方面，充分考虑土壤表层水分状况和水力学特性，计算土壤水分吸附力；另一方面，又充分考虑大气条件，引进以penman公式为基础的k - b模式(加以改进)计算潜在蒸发力。 |
