声场通过轴向阻抗间断面的声压和声质点速度积分相等计算。
The acoustic field is calculated through the integral equality of acoustic pressure and velocity at the axial impedance discontinuous planes.
详细介绍应用恒磁质点速度计对有机玻璃冲击研究的全过程。
In this paper the application of a permanent-magnet particle velometer in impact test for PMMA is presented in detail.
同时给出了塑性激波后方弹性卸载区内的应力和质点速度分布规律。
Distributions of stress and particle velocity in the elastic unloading region behind the plastic shock wave are given as well.
采用改进的基于质点速度波形测量的拉格朗日分析方法，研究了率型材料的动态力学性能。
A modified Lagrangian analysis was adopted to study the dynamic mechanical behavior of rate-dependent materials based on particle velocity profile measurement.
利用动量守恒定律分析质点组问题时，必需注意质点组各质点速度的空间统一性和时间统一性。
It's necessary to pay attention to the unity of time and space for each particle velocity, when analysing the question for particle system use momentum conservation law.
进而推导出w CASE法，此法引入了桩侧阻尼力，桩体几何尺寸和桩内质点速度对桩基的影响。
The WCASE method has considered the influence of amortization force beside the pile, geometric dimensions of the pile and velocity of material particles in the pile on the pile foundation.
在伽例略变换下，巧妙利用零矢量，给出了任意正交曲线坐标系中质点速度和加速度的矩阵表式方法。
Under Galilean transformations, expressions of Veloeities and accelerations in vertical curve Coordinates are derived by the ingenious use of Zero Vector and means of matrix.
进而计算了圆孔中的声质点速度，并分析了孔中速度的畸变情况、最后给出了圆孔的非线性声阻和声抗的理论值。
Furthermore, the time history and spectrum of the average flow velocity through an orifice are computed, from which the nonlinear distortion of flow velocity is analyzed.
通过数学分析得出振动质点的速度与强迫力之间的相位差。
The phase difference between velocity of vibrate particle and force was analysed.
我们可以假定，在空隙空间的一个数学点上液体质点的局部速度和浓度梯度之间无相关性。
We may assume that there is no correlation between the local velocity of a liquid particle at a mathematical point inside the void space and the concentration gradient.
经对比分析，所得爆破地震波衰减规律公式预测的质点振动速度具有较高的精度。
Through contrasting and analyzing, the particle vibration velocity were forecasted by the orderliness formula of attenuation of blasting earthquake wave is precise relatively.
基于岩石爆破损伤影响范围控制的质点峰值振动速度判据，就临近岩石边坡开挖轮廓面的爆破开挖设计方法进行了探讨。
Basen on the criteria of the peak particle velocity(PPV) for blast-induced damage, the design approach for excavation blasting near contour of rock slope is discussed.
为此，基于质点运动的速度合成原理，首先建立了线性尺寸的定位误差通用模型及其算法。
Therefore, based on the velocity composition law of particle movement, a mathematical model and its algorithm for the locating error are firstly established to analyze the linear dimension.
对哈尔滨市一幢16层楼房的爆破拆除过程进行了现场监测，获得了爆破和楼房倒塌过程中引起的地面质点的振动速度、频率等数据。
The demolition process of a 16th floor building in Harbin was monitored, and vibration velocity and frequency of ground particles were obtained during the blasting and collapsing process.
变幅杆作为振幅扩大装置，主要作用是把能量集中，将机械振动的质点位移或速度放大。
As the expansion device of amplitude, horn is used to focus energy and enlarge the mechanical vibration of the particle displacement or velocity.
同时，由于采用新工艺而使变形速度提高，变形量加大，使得金属质点均匀流动而获得满意的板形。
The new process increases the strain rate and deformation, which makes metal particle flow uniformly, and that obtains satisfactory shape of the strip.
而对于破波，质点的水平速度应该等与波速，由于破波产生的极限就是质点的水平速度等于或大于波速。
For breaking wave the horizontal particle velocity can be taken as the wave celerity, since the wave is breaking when horizontal particle velocity is equal to or larger than the wave celerity.
通过摄像法得出了旋涡表面流体质点的运动轨迹、切向和轴向时均速度。
Moving path lines, tangential and axial average velocities of particles at the vortex surface are obtained by the photography method.
需要特别指出的是，液体质点在泵体流道内的圆周速度小于叶轮的圆周速度。
In need of special is that the liquid particles in the body within the flow rate is less than the circumference of a circle impeller speed.
对于非破波，质点的水平速度可以由规则波理论得到。
And for non-breaking wave the horizontal particle velocity can be estimated by using regular wave theory.
在所提出的并行算法中，组成系统的质点与GPU线程一一对应，质点的速度和位置信息从而得以并行更新。
In the proposed parallel algorithm, each particle is mapped onto one GPU thread. Therefore, velocities and positions of all the particles are updated in parallel.
需要特别指出的是，液体质点在泵体流道内的圆周速度小于叶轮的圆周速度。
Particularly necessary to point out that the liquid in the pump body mass flow rate of less than the circumference of the circumferential speed of the impeller.
采用简捷的方法推导质点系相对于任意动点的动量矩定理，并由此引出质点系相对于质心的动量矩定理和质点系相对于速度瞬心的动量矩定理。
There from it is used to obtain the principles of the angular of momentum of the system of particles with respect to its cenier of mass and instantaneous center of velocity.
本文提出质点和质点系(绝对运动和相对运动)质量加速度矩定理。
This paper proposes the theorem of moment about mass acceleration of the particle and the system of particles (absolute motion and relative motion).
在对模型进行受力分析后，文章接着通过显式积分求解出各质点下一时间片的位置和速度。
After accomplishing model forces analyses, Explicit Integration is implemented to calculate positions and velocities of all particles in the next time step.
本文从爱因斯坦速度变换式、相对论中的牛顿第二定律及普遍的能量守恒定律导出质点组的动量守恒定律。
In this paper, the conservation law of momentum is derived from Einstein's transformation law of velocities, Newton's second law in relativity and general conservation law of energy.
本文定义了时间、空间、位移、速度、加速度等量，并提出伽利略速度变换公理，为质点力学公理体系建立了运动学基础。
This paper defined time, space, displacement, velocity, acceleration, and raised axiom of Galileo exchange, which is the basis of axiom system in particle mechanics.
运用哥氏定理求解质点的速度和加速度，分析其物理内涵。
It also USES the Coriolis Theorem to find out the velocity and acceleration of them and to analyze their intension in physics.
通过对周衍柏编写的《理论力学教程》第二版中的弧坐标中质点加速度表达式的推导作些改进。
In the book Course of Theorical Mechanics by Yanbai Zhou there are some mistakes about the expression of acceleration in arc coordinates, this paper has corrected them.
首先，将基于时间历程的质点动力学方程转化为基于高度剖面的质点动力学方程，同时利用动压代替速度，使轨迹形状直接和动压约束相关。
First, time replaced by altitude and dynamic pressure as the independent variable of nonlinear equations of motion, which make the trajectory shape correlative to dynamic pressure constrains.
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