应力波法锚杆加固无损检测是一种快速、有效的无损检测方法。
Nondestructive detection of stress wave in anchorage bolts is a kind of quick and effective detection method.
利用有限元法,提出了一种应力波及变形波的计算方法,并对一些典型结构进行了运算。
A method is put forward for computing the stress and strain waves in the structures under impact and heat loads.
提出了一个简化特征分析的方法,这种方法将成为应用特征线法求解各类各向异性应力波问题的一个突破口。
Then, a approximate method for characteristic analysis is presented, which will pave the way for solving the stress wave propagation problems in anisotropic solid.
爆破与高速冲击载荷产生的应力波在弹性结构物中的传播,在理论分析上极为困难,但这类问题可以用动态光弹性法进行分析。
Stress wave propagating in elastic structures under impact or explosive loading is a very difficult problem analytically. But the problem could be analysed by dynamic photoelasticity.
本文采用有限元法研究近场双圆形孔洞、圆环形衬砌对瞬态sh波的散射和动应力集中问题。
The scattering problems and the dynamic stress concentration problems of SH-wave by double circle cavities, and circle lining in near field are investigated in this thesis by the method of FEM.
本文采用边界元法对开孔无限大薄板弹性波的散射与动应力集中问题进行理论分析和数值计算。
This paper deals with theoretical and numerical analyses of scattering of elastic wave and dynamic stress concentrations in an infinite thin plate with a circular hole using boundary element method.
同时,对用弹性波法确定岩体地应力及水平构造应力进行了探讨。
At a time, the acoustic measurement method of rock mass stresses and the horizontal tectonic stress are discussed.
同时,对用弹性波法确定岩体地应力及水平构造应力进行了探讨。
At a time the acoustic measurement method of rock mass stresses and the horizontal tectonic stress are discussed.
用特征线法分析了刚性块轴向撞击弹塑性直杆时应力波传播的过程。
The traveling process of elastic-plastic waves under impact action was analyzed by characteristics method.
可将四分之一波片卸去,并按平面偏振光法或内插法来决定其主应力方向。
The directions can be obtained by removing the quarter-wave plate and following the procedure for plane polarized light or by interpolation.
针对应力波穿过节理面产生的衰减现象,研究节理面的几何形状、法向刚度对应力波的透射性影响。
Aiming at the attenuation of stress wave traveling through the rock joints, the influences of joint geometrical shape and stiffness on the stress wave transmission coefficient are analyzed.
采用时间上二阶、空间上高阶近似的交错网格高阶差分公式求解三维弹性波位移-应力方程,并在计算边界处应用基于傍轴近似法得到的三维弹性波方程吸收边界条件。
Here, we use second-order, temporal - and high-order spatial finite-difference formulations with a staggered grid for discretization of the 3-d elastic wave equations of motion.
采用时间上二阶、空间上高阶近似的交错网格高阶差分公式求解三维弹性波位移-应力方程,并在计算边界处应用基于傍轴近似法得到的三维弹性波方程吸收边界条件。
Here, we use second-order, temporal - and high-order spatial finite-difference formulations with a staggered grid for discretization of the 3-d elastic wave equations of motion.
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