The related theory has the meaning of directing the process of the down-hole method of shear wave testing.
有关理论对下孔法剪切波测试过程的简化具有一定的指导意义。
This paper discusses the stability of internal inertial gravity wave in the heterogeneous stratified atmosphere when basic flow appears to be weak vertical shear by the WKB method.
本文应用WKB方法研究了在弱非均匀层结大气中,当基本气流具有弱垂直切变时,重力惯性内波的稳定性问题。
Based on the shear wave formulation, this paper presents a new method to calculate horizontal seismic responses of multistory shear type structures.
基于结构侧向位移的剪切波动方程,提出分析多层剪切型结构水平地震反应的新方法。
The shear wave velocity method is discussed in detail and its results are compared with those obtained by other methods.
重点讨论了剪切波速法,并将该法和其它方法进行了比较。
Introduced are principle and method of applying Stoneley wave and the anisotropy of shear wave picked from the dipole shear wave image logging to evaluate the fracture effectivity of igneous rock.
介绍了利用从偶极声波成像测井资料中提取的斯通·利波和横波各向异性,对火成岩裂缝的有效性进行评价的原理和方法。
A low frequency ultrasonic (Lamb like) wave method is used for characterizing the shear, longitudinal wave velocities, the thickness, and the density of ultra thin two layered bonding composite.
提出用低频超声类兰姆波定征方法来估计超薄双层胶结复合结构各层的纵波声速、横波声速、厚度和密度等参数。
A low frequency ultrasonic Lamb like wave method suitable for characterizing the thickness, density, shear and longitudinal wave velocities of the ultra thin bonding composite is presented.
提出用低频超声类兰姆波定征方法来估计超薄黏结复合结构各层与黏结层的厚度、密度、纵波声速和横波声速等参数。
The prediction method includes five sequential steps of shear wave velocity estimation, fluid substitution, attribute optimization, attribute classification and reservoir prediction.
该方法操作步骤包括横波速度预测、流体替换、属性优选、属性分类和储层预测等。
The results show that the method can skip over the P-Wave and exactly pick the first S-Wave arrival in dipole shear wave log in slow formation.
实际资料处理结果表明,该方法可以跳过慢速地层中偶极横波测井的纵波而检测横波初至。
A low frequency multi mode ultrasonic Lamb wave method suitable for characterizing shear and longitudinal wave velocities, thickness and density of ultra thin elastic layers is presented.
提出了用低频多模式超声兰姆波定征方法来估计超薄弹性层的纵波声速、横波声速、厚度和密度等参数。
S-wave inverse quality factor is related to the shear-modulus versus frequency dispersion, which can be used to develop method for estimation of S-wave attenuation.
横波品质因子的倒数与剪切模量一频散有关,由此可以建立横波衰减的估算方法。
A method is presented for measuring the shear-wave attenuation of solids by using propagation of ultrasonic wave in a wedge block.
介绍了利用劈形楔块作波型变换,达到用纵波探头测量材料横波衰减系数的方法。
Using the transient Rayleigh wave method can measure the shear velocity of site soil and estimate the bearing capacity of pile.
应用瞬态瑞雷波技术可快速检测桩周土的剪切波速,从而实现单桩承载力的检测。
Build under the high temperature environment welding seam defect ultrasonic shear wave checkout method, and combines theory having carried on the engineering applying.
建立高温环境下焊缝缺陷超声横波检测方法并结合理论进行了工程应用。
Build under the high temperature environment welding seam defect ultrasonic shear wave checkout method, and combines theory having carried on the engineering applying.
建立高温环境下焊缝缺陷超声横波检测方法并结合理论进行了工程应用。
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