Results indicate that the wave loads must be considered when the hull's longitudinal intensity is checked. The research has value to correlative theory research and engineering calculation.
计算结果表明:校核船体在气泡脉动载荷作用下的总纵强度的同时必须计入波浪载荷的影响,对相关理论研究和工程计算有一定参考价值。
A little apart from the surf ace, the longitudinal wave beam may exist and propagate parallel to the surface, yet has to connect with its corresponding gliding irrotational waves.
离开固体表面稍远的区域,可以有平行于表面传播的纵波声束存在,但是需要与相应的滑行集散波相互衔接。
The longitudinal wave cannot exist near the surface of a solid, and those exist near it are gliding irrotational waves.
纵波不能在固体表面存在,在固体表面存在的是相应的滑行集散波。
It is the gliding irrotational wave pair, not the longitudinal wave beam itself that excites longitudinal wave in mud to generate signal.
激发出泥浆纵波而使接收器获得讯号的是滑行集散波,纵波声束并不直接激发泥浆纵波。
Mechanical disturbance that propagates as a longitudinal wave through a solid, liquid, or gas. A sound wave is generated by a vibrating object.
以纵波形式借由固体、液体或气体传播的物理扰动。声波是由振动的物体产生。
The sensor was applied to detect several kinds of laser ultrasonic, such as surface acoustic wave, Lamb wave and longitudinal wave, well-defined waveforms were obtained.
采用该传感器测试了激光超声表面波、兰姆波和纵波,获得了很好的波形。
The gliding longitudinal wave contains three parts, longitudinal wave beam, negative exponential gliding ivro-tational wave and positive exponential gliding irrotational wave.
滑行纵波系由纵波声束、负指数滑行集散波和正指数滑行集散波三种成份所组成。
A pressure disturbance cannot drive the energy release profile uniformly to the anti-node region to result in a sustained longitudinal wave.
压力扰动不可能驱使能量释放分布图移至波腹区域以产生持续的纵向波。
Secondly, when the operation frequency is given, the dispersion relation between transverse wave vectors were analyzed with various longitudinal wave vector or modulation coefficients.
其次,在给定工作频率的情况下,分析了不同纵向波矢量和不同调制系数时的横向波矢量间布里渊区色散特性。
The phase velocity of the plasma wave approaches the velocity of light due to the action of the longitudinal electric field.
在这样的纵向电场作用下,等离子体波的相速接近光速。
The E, B representation of constitutive relations are given, the wave equation in moving medium and the equations which the longitudinal components of field quantities E, H satisfied are derived.
本文给出组成关系的E、B表示,导出运动介质中的波动方程及场量E、H纵分量满足的方程。
This paper deduces the errors sources from the process of ultrasonic longitudinal wave testing and evaluates its uncertainty.
本文分析了超声波探伤纵波检测的误差来源,评定了在探伤过程中的不确定度。
The results show that the longitudinal wave velocity is closely correlated to strain energy factor and exhibits the blastability of frozen soil.
结果表明,纵波速度与变形能系数关联度最大,纵波速度能较好地反映冻土的爆破性。
Yet the advancing longitudinal wave beam expands continuously towards the surface, and produces new gliding irrotational waves with it.
但前进中的纵波声束不断向表面扩散而产生出新生的滑行集散波。
The result demonstrates that the twisting wave is longitudinal wave by anglicizing physical meaning of the longitudinal wave equation, transverse wave equation, and twisting wave equation.
通过与杆的纵振动波动方程与弦振动的一维波动方程中各个量的物理意义进行比较分析,得出扭转波是纵波的结论。
The energy loss of the gliding irrotational wave pair is made up by the longitudinal wave beam.
滑行集散波由于激发泥浆纵波而受到的损耗,要由纵波声束给以补充。
The relationship between uniaxial compressive strength and the velocity of longitudinal wave of concrete material with different grading is found through laboratory testing.
通过试验得出不同级配混凝土试样的纵波波速与其单轴抗压强度的关系。
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。
The attenuation factor of longitudinal wave was changing linearly, whereas the attenuation factor of the slow shear wave kept nearly constant with a low frequency on the exploration seismic band.
纵波的衰减系数在地震频带内基本上呈线性变化,而横波的衰减系数在地震频带内除低频外基本保持稳定。
The experiment results indicted that there existed fairly good linearity between the grain sizes and longitudinal wave velocities when the measurements were done with 5p14z probe.
实验结果表明,用5 P 14Z探头测得的纵波声速与晶粒尺寸之间有很好的线性关系。
It is indicated that the longitudinal wave speed, shear wave speed, as well as the dynamic Young's modulus of the Mogao grottoes increase with the increasing depth of grottoes.
结果表明,洞窟岩壁的纵波波速、横波波速、动弹模随着洞深的增加而增加;
The test results indicate that the above factors do not have much effect on ultrasonic longitudinal wave testing.
试验结果表明,以上因素都不会对超声波纵波检测产生很大影响。
Again we call the faster wave the longitudinal and the slower wave the shear shock wave.
我们还是把较快的波叫做纵冲击波,而把较慢的波叫做剪切冲击波。
Two sorts of echoes caused by the reradiation of elastic surface wave have been observed in experimentation: the radial surface backscattering wave and the longitudinal surface backscattering wave.
实验观测到两类由弹性表面波的再辐射产生的回波:径向表面反向散射波和纵向表面反向散射波。
Based on the theory of elastodynamics, the longitudinal guided wave and flexural guided wave group velocity dispersion curves for M22 stud were calculated.
根据弹性动力学理论,采用纵向导波与弯曲导波相结合的方法对螺柱所受轴向应力进行无损检测。
The relationships between dynamic contact force and indentation are derived in the case of longitudinal wave propagation.
在仅考虑纵波传播的情况下,寻出了撞击力-压入位移关系。
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。
The longitudinal stability of a ground effect craft is analyzed in the ocean wave environment.
以某型地效飞机为例,讨论了地效飞机在海浪环境下纵向稳定性的研究方法。
Using the speed ratio of longitudinal wave and transverse wave to research transformation of lithology along crosswise and water-carrying fractures, thereby service...
利用纵横波速度比研究岩性的横向变化及含水裂隙,为生产矿井所面临的现实问题服务。
Using the speed ratio of longitudinal wave and transverse wave to research transformation of lithology along crosswise and water-carrying fractures, thereby service...
利用纵横波速度比研究岩性的横向变化及含水裂隙,为生产矿井所面临的现实问题服务。
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