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With the help of the optimization theory, we present the vertex solution theorem for determining both the exact upper bounds or maximum values and the exact lower bounds or minimum values of the dynamic response of structures, in which these parameters reach their extreme values on the boundary of the interval mass, damping, stiffness matrices and the interval external loads vector.

借助于优化理论，提出了确定结构动力响应精确上下界的极点求解定理，其中极值将在区间质量矩阵、阻尼矩阵、刚度矩阵和外载荷列向量的顶点达到。

In addition, the influence of the boundary layer on the distribution of trace gases is studied.

最后，研究了边界层结构对大气微量气体分布的影响。

In this paper, a improved sliding mode controller with nonlinear interpolation in the boundary layer is proposed.

介绍了一种改进的边界层内非线性插值的滑模控制器的设计方案。

The basic concepts of the Marine Atmospheric Boundary Layer and the similarity theory are introduced in this study.

摘要本论文介绍了海洋大气边界层的基本概念和相似理论。

So, Chapter 2 is mainly concerned with the simulation technique about atmospheric boundary layer.

因此，在第二章中讨论了大气边界层的模拟方法和结果。

The theoretical analysis and experimental results show that boundary layer separation will produce pressure drag .

理论分析和实验的结果说明：边界层分离将引起压差阻力。

The process of development and evolution of the disturbance wave and its harmonics in the boundary layer are investigated.

探讨了边界层的扰动波及其谐波的发展和演化过程，深入研究了非平行流边界层不同扰动的线性和非线性稳定性问题。

Compared with those obtained by linear stability theory, the situation is similar to those for incompressible boundary layer.

与线性稳定性理论的结果相比，二者的关系和不可压边界层的情况相似。

A design method of programming control based sliding mode control with boundary layer is presented.

提出了一种基于控制规划的边界层滑模控制方法。

The new theory of the parabolized stability equations is used to study the stability of the boundary layer.

本文主要采用抛物化稳定性方程的新理论研究非平行流边界层流动的稳定性问题。

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。