一般库底条件下刚性坝面的动水压力

THE HYDRODYNAMIC PRESSURE ON THE SURFACE OF A RIGID DAM WITH A PARTIALLY ABSORPTIVE RESERVOIR BOTTOM

本文从弹性应力波的角度出发,推导了部分库底吸收条件下,各种刚性坝面动水压力的频率特征方程、配点方程及求解刚性铅直坝面动水压力的近似公式;并反演出各种情况下统一的库底边界条件及各种具体表达式。通过数值算例,讨论了一般库底条件下各种刚性坝面动水压力的一些重要特点。

In this article, from the point of view of the elastic stress waves, the frequency eigenequation of the hydrodynamic pressure on the surface of any rigid dam with a partially absorptive reservoir bottom and the point collocation equation as well as the approximate formula of finding the hydrodynamic pressure on the surface of a vertical rigid dam are derived. The article also provides the general reservior bottom boundary conditions in any cases and a variety of their expressions developed from what have been mentioned above.The results from the numerical analysis are used to show the important characteristics of the hydrodynamic pressure on the surface of any rigid dam with a partially absorptive reservoir bottom boundary.