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On the basis of the geological engineering conditions and rock mass quality classification, the change of wave speed of rock mass is used to analyze systematically the control of dissolution of calcareous sandstone over rock mass quality. The modificatory standard of rock mass quality classification was bring and the system of rock mass quality classification in the hydroelectric station.

论文在坝址区工程地质条件评价及岩体质量分级的基础上,利用岩体弹性波速的变化,深入研究了钙质砂岩溶蚀对岩体质量的控制作用,提出初步的岩体质量分级修正标准,得到坝区的岩体质量分级体系。

From many experiments conducted by the author on the dynamic behavior of soil inrecent years it has been found that the propagation velocity of elastic wave,shear modulus andthe coefficient of subgrade rigidity in homogeneous soil tends to vary with depth.

近几年来,作者在对土的动性能所作的多次实验中,发现匀质土中弹性波的传播速度、剪切模量、地基抗压刚度系数有随土层深度而变化的现象。

The elastic wave test is an effective method for the nondestructive evaluation of concrete structures.

弹性波法是用来评估混凝土品质的一种相当有效的非破坏检测法。

In this paper, using FEM method to numerical simulate the elastic wave equation.

本文采用有限元法进行弹性波方程数值模拟。

In this paper, the stress-acoustic relations of slightly orthotropic materials have been derived according to elastic waves theory.

本文从弹性波理论出发。导出了微正交各向异性材料平面应力问题的应力—声关系。

An example of jarring in a vertical well is analyzed with the application of dynamics and plane wave propagation theories.

应用弹性波理论与动力学分析相结合的研究方法,对直井的修井作业过程进行了分析与计算。

Transmission characteristics of elastic wave versus mode quantum number and cylinder radius are calculated by the transfer matrix method.

并利用转移矩阵研究了弹性波的传输特性随模式量子数和圆柱半径的变化规律。

Reduced order,the governing equation of a cylindrical shell may bechanged into two Helmholtz type equations.

而薄圆柱壳基本控制方程在经算子分解降阶处理后,得到的也是与二维弹性波散射问题相似的Helmholtz型方程。

By slightly increasing the separation of the two plates in the middle,a double-crystal structure forms,which allows acoustic waves to resonantly tunnel through it,with transmission peaks observed inside the band gaps.

处于带隙频率范围内的声波或者弹性波将被禁止在声子晶体中传播。

The viscoelastic modeling in 2-D SEG/EAGE salt dome model is carried out by using the simplified viscoelastic equations. A comparison of the viscoelastic single-shot records derived from acoustic equations, Carcione's equations and the simplified viscoelastic equations is made.

并利用该简化方程对SEG/EAGE二维盐丘模型进行了正演数值模拟,将模拟得到的单炮记录和声波、Carcione黏弹性波方程模拟得到的单炮记录进行了对比分析。

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