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- Keywords Cased hole;Stress concentration;Acoustoelasticity;Flexural waves splitting;Dispersion curves crossover; 套管井;应力集中;声弹性;弯曲波分裂;频散曲线交叉;
- Flexural waves splitting 弯曲波分裂
- Shear wave logging tools use dipole radiation in the borehole to generate flexural waves in formation. 针对高频散的挠曲波,将基于模拟退火的优化方法引入阵列偶极子测井资料处理中,以得到横波时差。
- The maximum transmission of the plate flexural waves through the vibration isolation mass is found to occur at the resonance frequencies corresponding to the optima... 算例分析和试验研究论证了理论分析的正确性,为阻振质量应用于结构声传递途径的控制提供了理论和试验基础。
- And the special phenomena such as the S wave splitting, the blind points of the S wave splitting and wavefront triplication are dearly observed. 而慢纵波在固相和流相中的相位相反,即慢纵波在流相中振幅大,而在固相中的振幅较小。
- The paper also describes the propagation of elastic waves in EDA medium by using the numerical result of finite difference, and indicates shear wave splitting . 文中利用有限差分数值计算的结果展示了弹性波在EDA介质中的传播特征,揭示了横波分裂现象及几种弹性参数的地质意义。
- In this paper, based on the governing equation for flexural waves of orthotropic plates, deals with scattering of elastic wave by cutouts and dynamic stress concentrations in the thin plate. 采用各向异性平板弯曲波动理论及摄动方法,对正交各向异性平板开孔弯曲波的散射及动应力集中问题进行了分析研究,得到了此种平板稳态弯曲波动问题的渐近形式的分析解。
- Although the MDOF waveguide vibration depressor can depress the flexural wave propagating in basement shell or plate,its vibration also induces sound radiation in surrounding fluid. 多自由度波导抑振器通过自身的运动来抑制弹性基板中弯曲波的传播,但其自身的运动也将引起声波向周围介质辐射。
- In shear wave splitting research using multicomponent VSP data, wave characteristic in surface layer and source behaviour influence greatly the anisotropy interpretation of objective interval. 在利用多分量VSP数据进行横波分裂的研究中,地表层的波的特性和震源的行为严重影响了目标层的各向异性性质的解释。
- The numerical results clearly reflect the wave propagation process and the phenomena of shear wave splitting and wave-field differences caused by the azimuthal property variations. 数值结果准确地反映了方位各向异性介质中波场的变化过程,可以清晰地观察到横波分裂和方位特征差异等现象。
- FLEXURAL WAVE OF FINITE PILE IN A NON-UNIFORM SOIL 不均匀土中有限长桩的横向瞬态波动
- The Transmission of Flexural Wave Through a Periodic Stiffened Flat Plate 周期加筋板中的弯曲波传播
- The storm heaved the sea into mountainous waves. 风暴在海面上掀起万丈波涛。
- Keywords piezoelectric-piezomagnetic material;cylinder;flexural wave; 压电压磁复合材料;圆柱;弯曲波;
- Keywords azimuthal anisotropy;shear wave splitting;3CVSP;fracture; 方位各向异性;横波分裂;三分量垂直地震剖面;裂隙;
- The huge waves battered the wrecked ship to pieces. 巨浪将那艘失事的船只冲击得支离破碎。
- Dual Reciprocity Boundary Element Method for Flexural Waves in Thin Plate With Cutout 含孔薄板弯曲波动的双互易边界元法
- A strong head wind lashed the sea into waves. 一股顶头风在海中掀起了波浪。
- The waves are lashing against the rocks. 波浪冲击着岩石。
- The ship is combating the wind and waves. 那只船正与风浪搏斗。