Results showed that dynamical responses of spherical shell in viscoelastic saturated soil vary dramatically in different boundary conditions and response modes.
结果表明,对于黏弹性饱和土体中的球壳在不同的边界条件和响应模式下动力响应差别很大。
A system consisting of soil layer, mulch layer and atmospheric boundary layer is developed and energy balance equation for each layer is derived.
建立了一个包括土壤层、塑膜覆盖物、植物冠层和大气边界层的系统,系统中的各层进行了能量平衡计算。
A function of distance between initial stress strain point and point at state boundary surface is adopted to simulate stress strain behaviour of soil in condition of small strain.
采用从初始应力点到状态边界面的距离为参数的系数来修正硬化准则以模拟土体小应变条件下的应力应变特征。
This represents a boundary where the water seeps out of the soil into air.
这个边界是水从土层中渗出进入空气的地方。
Soil nonlinearity, pore water pressure build-up process and boundary condition of the model are taken into account in the calculation model.
计算模型考虑了土体非线性、孔隙水压力的变化以及模型边界条件的处理等。
A transmitting boundary was introduced to simulate infinite soil region by finite elements, considering the two phase nature of the soil.
引入考虑饱和土两相性情况下的传输边界,用以模拟地基无限性。
The input for the ground motion analysis, such as boundary conditions, seismic records and soil parameters are discussed.
讨论了具有季节冻土层的场地上地震动反应分析的输入问题,包括边界条件、地震动时程和土层参数。
Results show that the temperatures at the ground surface and in the soil decrease due to the inclusion of aerosols into the boundary layer, low-level clouds also cools the subcloud atmosphere.
模拟结果表明,边界层内低云和气溶胶都能使地面和土壤温度下降; 而低云还能使云下大气降温。
With direct B. E. M. the boundary integral equations of soil for elastoplasticity, viscoplasticity cluding creep and temperature stress are researched and soluted.
本文采用直接边界元法,研究了土的弹塑性、粘塑性(含蠕变)及温度应力等非弹性状的边界积分方程求解摸式。
This paper describes the dynamic boundary element method and its application to the analysis of dynamic effects of soil-structure interaction.
本文研究了动力边界单元法及其在土一结构动力耦合效应分析中的应用。
The testing results shows the following:(1) supply and drainage conditions on the boundary control water move and translation in the soil.
试验结果表明:边界补排条件控制了土壤水分的迁移转化;
The problem of transmission of loaded contact frozen soil with creep effect in the temperature field is studied using critical boundary element method.
基于临界边界单元法,研究温度场中具有蠕变效应的冻土接触载荷传递问题。
The reclaimed soil foundation is consolidated, and its vacuum preloading consolidation process is very complex, so are the boundary and initial conditions.
吹填土地基作为欠固结土,其真空预压加固过程比较复杂,初始条件和边界条件也比较复杂。
Their results show that the dynamic boundary element method is effective in the analysis of soil-structure interaction. boundary integral equation, potential function. Laplace transform.
结果表明动力边界单元法在土一结构动力耦合效应问题中的分析是一种有效的方法。
Under the boundary and continuity conditions of the radially inhomogeneous soil layers, the torsional impedance of saturated soil is derived by means of transfer of shearing rigidity.
进一步结合径向土层之间的边界条件和衔接条件,采用剪切刚度传递的方法,得到土体的扭转阻抗。
Boundary and assessment for major engineering with the function of soil and water conservation can reflect the basic idea of "prevention in the first place and integrating prevention with control".
对主体工程具有水土保持功能的工程的界定和评价,可以体现“预防为主,防治结合”的基本理念。
Longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated.
分别对均质土中完整端承桩和弹性支承桩在垂直谐和激振力作用下的纵向振动特性进行了研究。
The mathematical model and boundary conditions of soil temperature field in finite region is established through analysis of geometry model of underground heated pipeline.
通过分析埋地热油管道的几何特性建立了有限区域内非稳态热油管道土壤数学模型和边界条件。并使用PHOENICS软件对该数学模型进行了求解。
By utilizing the inner boundary condition of the lining structure and the continuity conditions between the soil and the lining, the unknown coefficients in the expressions are determined.
利用土体与衬砌结构之间的连续性条件和衬砌结构内边界上的边界条件,确定表达式的未知系数。
A time domain coupling procedure was developed for the finite element (FE) and scaled boundary finite-element (SBFE) methods to analyze dynamic unbounded soil-structure interaction problems.
该文提出了一种有限元(FE)比例边界有限元(SBFE)时域耦合方法以分析结构地基动力相互作用问题。
Although soil moisture constitutes only about 0.005 % of the global water resources, it's important as a boundary condition for hydrologic and climate models.
土壤水分在全球水资源中所占的比列很小,存储在土壤空隙中的水分仅占全球水资源0.005%,但它是水文模型和气候模型的重要边界条件。
The method can simulate not only the radiation damping of semi-infinite soil, but also the elasticity recovery capacity of the far field media on the boundary.
该方法不但可以较好地模拟半无限地基的辐射阻尼,也能模拟远场地球介质的弹性恢复性能。
Based on the method of moment and the boundary element method, an improved method to analyze the grounding system buried in multi-layer soil with finite volumes is presented.
提出了分析含有有限体积的参数不同的材料的水平分层土壤中的接地网接地性能的方法。
A method in dealing with the testing data of Millkan sOil-drop Experiment by PC on reciprocal graphic boundary is described in this paper.
介绍一种用微机在交互式图形介面下处理密立根油滴实验数据的方法。
Quadriateral slide elements were used in analyzing to-simulate the boundary properties between soil and steel bar.
分析中采用了四边形滑移单元模拟土与锚之间的界面特性。
If the number of soil layers is added, the boundary nodal coefficient formulas are changed only.
如增加土层数,仅需改变边界结点系数公式。
Considering the mixed boundary-value conditions, the dual integral equations of torsional vibrations of a rigid circular plate resting on transversely isotropic saturated soil were established.
考虑到混合边界值条件下,对偶积分方程的刚性扭转振动建立了横观各向同性饱和地基上圆板的休息。
The 346km long section from Ji'an to Guangdong boundary on Beijing-Jiulong Railway Line is in the cindition of weak ground soil and abundant rainfall, the construction is very difficult.
京九铁路赣南吉安至赣粤省界段地质不良,降雨量多,工程艰巨,加之设计方案定得晚,开工滞后,因此工期紧张的矛盾十分突出。
The 346km long section from Ji'an to Guangdong boundary on Beijing-Jiulong Railway Line is in the cindition of weak ground soil and abundant rainfall, the construction is very difficult.
京九铁路赣南吉安至赣粤省界段地质不良,降雨量多,工程艰巨,加之设计方案定得晚,开工滞后,因此工期紧张的矛盾十分突出。
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