查询词典 boundary condition

In this paper, several traditional models for computing are introduced at first. Conferring probability theory, the load boundary condition of that collector is analyzed, the characteristic values of Tubesheet in different design reference periods are computed. Based on homogenization method, after lots of numerical experiments, the mechanical characteristic of Tubesheet controlled different structure parameters is studied, and an empiristic formulas that could simplify Tubesheet to stiffen plate is gained. Then, G-M method is employed and Tubesheet is simplified to a normal plate.

本文在总结传统计算方法的基础上，参考概率设计方法，分析了大型袋式除尘器的荷载边界条件，计算了不同设计基准期下的花板可变荷载标准值，结合均匀化方法，通过大量数值实验，得出了不同参数对花板受力性能的影响规律，并拟合了将花板简化为加劲板的经验公式，再参考正交异性板法，最终推导了花板简化为均匀平板的经验公式。

The paper is emphasis on how to simulate the boundary condition of the enrockment near the high steep bank slope.

本文就如何模拟高陡岸坡附近堆石体的边界条件展开工作。

Based on the cellular automaton made up of regular hexagon cells, the nearest neighbor type and periodic boundary condition, equiaxial microstructure as parent phase was obtained.

文章采用正六边形网格划分法、最近邻邻居关系以及周期性边界条件的元胞自动机方法，获得等轴的母相微观组织。

The force equilibrious equation and the approximate plastic conditions are set up,solved using the boundary condition and the strenth static coefficient σ/σs of fixed cycles short core when the tube is drawn so calculating the drawing force at every pass.

建立近似的力平衡方程，近似的塑性条件。应用边界条件联解上述方程，求出固定圆柱形短芯头拔管时的应力状态系数σ_拉/σ_S，以计算各道次的拔制力。

Sedimentary basin could be considered as a huge chemical reactor in the geodynamic framework that constrains boundary condition and environment of the basin as well as material/energy transfer with its environment.

沉积盆地实际上是地球动力学系统中一个巨大的动态化学反应器，其所处的地球动力学背景制约着它的边界条件、外部环境及其与外部环境的物质和能量交换。

Considering the curvature effect on hooping of nearest-neighboring carbon atoms of armchair carbon nanotubes, the energy band, density of state and velocity of electron of armchair SWNT were analytically derived by using the tight-binding model and Born-Karman boundary condition.

在考虑曲率效应对扶手椅型碳纳米管最近邻碳原子交叠积分影响的情况下，利用紧束缚模型和玻恩－卡门边界条件解析地推导扶手椅型SWNT的能带、态密度和电子公有化运动速度，对扶手椅型SWNT电子性质的分析发现：考虑曲率效应后扶手椅型SWNT仍然是金属管，但其能带的总能减小，其态密度的导电平台变窄且其电子公有化运动速度变小。

On the basis of consulting lots of home and oversea data, using the finite elementmethod, this dissertation comprehends profoundly the dynamics and stability of curved pipes conveying fluid which centreline is inextensible and which boundary condition is clamped-free, clamped-clamped, clamped-pinned, pinned-pinned that are constantly used in engineering.

本文在查阅大量国内外研究资料的基础上，利用有限元法对中心线不可伸缩的固定-自由、固定—固定、固定—铰支、铰支—铰支四种工程中常见边界条件的输液曲管的振动及稳定性进行深入研究。

The boundary condition of the isochoric combustion process can be precisely controlled. And the disadvantageous influence on the isochoric combustion of the engine is avoided. Therefore, the combustion process and the factors of the influence on it can be clearly found.

可以实现对定容燃烧过程边界条件精确控制，剔除点燃式发动机定容加热过程中众多杂乱影响因素，从而清晰地反映出燃烧过程及其影响因素的作用。

The multiresolution time-domain algorithm based on the scaling function of the Daubechies wavelet is introduced, and the perfectly matched layer absorbing boundary condition for the algorithm is deduced. In order to overcome the difficulties due to the nonlocalized property of the MRTD basis functions, the pure scattered-field formulation is adopted. The method presented is applied to the scattering analysis of multiple conducting objects, and the numerical results are compared with those by the traditional finite-difference time-domain method. It is shown that the computational resource is reduced drastically without sacrificing much accuracy.

对基于Daubechies小波尺度函数的时域多分辨分析算法进行了详细论述，推导了MRTD算法的完全匹配层吸收边界条件，为克服传统MRTD方法中基函数存在着非局部性的缺点，在源的加入上采用了纯散射场方法；并应用该算法对多目标的电磁散射特性进行了分析，数值结果表明，MRTD算法与传统的时域有限差分法结果相吻合，大大节约了计算资源。

Three analytical solutions are given including the wet front analysis solution of double medium soil column,the analytical expression of piezometric tube water head and saturation for steady state and the analysis solution of seepage in unconfined aquifer with a periodic boundary condition.

推导了双介质土柱表层水入渗的下渗锋面解析表达式、稳定状态时测压管水头分布与饱和度分布的解析表达式，并给出了有周期性边界条件的有限潜水层内渗流自由面的解析表达式。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。