查询词典 boundary condition

In this system, the consistencies of nutrition and restrainer satisfied two elliptic equations, but the tumor growth satisfied the Stefan condition on the boundary of the tumor field.

在这个问题中，肿瘤生长环境内部的营养物、抑制物浓度分别满足两个椭圆型方程，但是在肿瘤的边缘——该问题的自由边界，肿瘤的生长状态满足Stefan条件。

If the neighborhood of equation solution is solvable and meets the point- by-point Lipschitz condition, stable boundary could be obtained as the convergence of the difference method is realized, and thus the stability is ensured.

方程解的邻近如果可解并具备逐点Lipschitz条件，则差分法收敛必有稳定界存在，从而差分格式收敛性保证其稳定性，因此可以放弃线性这一重要条件。

Static equilibrium of structure is regarded as a self organizing process of cell s under the condition of force and displacement boundary.

用细胞自动机作平面弹性力学分析，将结构的静平衡认为是在力和位移边界条件下，物体元胞间的自组织过程。

The balance equations as well as all boundary conditions concerned have been deduced from functional stationary value condition.

由泛函驻值条件可以导出所给问题的平衡方程及全部边界条件。

Establishing a geometric model of pump shaft with Three-dimensional modeling software and considering force condition to determine the boundary Conditions, after a reasonable simplification, then the modeling is inputted for ANSYS strength analysis combined with the traditional strength theoretical calculations of the shaft to get the result of stress and strain calculations and static stress and strain diagram.

应用三维造型软件建立了泵轴的几何模型，经过合理的简化，分析受力情况确定边界条件，在ANSYS软件中进行分析，结合传统的强度理论计算对泵轴的强度进行了计算和求解，得到了应力和应变的计算结果。

Based on nonsmooth analysis theory, the viability criterion is verified under the condition that the set-valued mapping in the right hand side is a polytope and the boundary function of the region is subdifferentiable and its subdifferential is a convex hull of finitely many points.

当右端集值映射为多面体，边界为次可微函数，且次微分为有限点集凸包时，基于非光滑分析理论，给出了在一点处检验生存性条件是否成立的方法。

Monitoring mixes the sneaks in or out of a country that leaves the big range area such as subtense condition for real low now specific power consumption and less investment to call the police automatically, designed a kind to use the supervisory system of cross the boundary illegally of cross the border of the technology such as short message business, infra-red laser.

梗概： 为实现在低能耗和较少投资下对边境等大范围地区的越境监控和自动报警，设计了一种采用短信业务、红外激光等技术的越界越境监控系统。

Because free surface and its radiation condition are satisfied automatically, the Kelvin source is only distributed on both interface and body surface on which boundary integral equation is established.

由于自由表面条件及其辐射条件已经满足，所以只需在内界面和物面上布置格林函数和建立边界积分方程。

From the study of the wear behavior, the main wear mechanism of chilled cast iron tappet under boundary lubricating condition is suggested as a fatigue process.

作者针对冷激铸铁挺杆的磨损特性，提出了在边界润滑状态下挺杆磨损的主要机制是疲劳磨损。

On the base of other researcher, the *** from the basic equations of stable current field to derived the expressions of boundary problems under 3-D condition. Without considering the EM effect and using the generalized variation principle, we can get the corresponding variation equation. Thronging subdivide the 3-D model, interpolation, analysis, and general synthesis with the triangular prism element, we can carry out the simulation on frequency-domain IP\'s parameters under level and undulate topography.

在前人工作的基础上，在忽略电磁效应的情况下，从稳定电流场的基本方程出发，推导了三维区域满足的边值题目，用广义变分原理得到相应的变分题目，通过用三棱柱单元对大地模型进行剖分、插值、总体集成，最后解方程，得到每个节点上的复电位值，最后实现了水平和起伏地形等条件下的激电参数的数值模拟。2。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了