gradient of velocity

The relation between the gradient of local ( plastic ) shear deformation and the local ( plastic ) shear strain and that between the gradient of velocity and the strain rate were established .

建立了局部（塑性）剪切变形梯度与局部（塑性）剪切应变分布之间的关系及速度梯度与应变率分布之间的关系。

Numerical Calculation of the Gradient of Velocity / Pressure Under Impinging Submerged Circular Jets

圆形浸没冲击射流速度与压力梯度的数值计算

It was concluded that change of air supplying temperature has a little influence on the gradient of the velocity and temperature .

通过分析认为，送风温度的变化对于整个试验区域速度场和温度场的梯度变化影响较小，而送风速度的变化则影响较大。

Since the gradient of the velocity is high in the mould , the control method of simulation points is applied in the least square approximation .

由于口模内速度变化梯度较大，采用最小二乘近似节点控制方法来控制近似效果。

From this approximate solution the shearing component of the Reynolds stress is found to be directly proportional to the gradient of mean velocity .

从这样的近似解得出的Reynolds剪应力是和平均流速的坐标梯度成正此。

On the contrary , the radial gradient of axial velocity decreases downwardly along the axial direction . Therefore , the axial velocity distribution becomes horizontal gradually .

轴向速度的径向梯度沿轴向向下逐渐变小，轴向速度分布也逐渐趋于水平直线状。

They can be rigidly mounted on the underwater structures to measure the acoustic pressure , acoustic particle velocity or acceleration and the spatial gradient of the velocity or acceleration of an acoustic field at a collocated point .

该水听器可以刚性固定于水下结构件上，测量声场一点处的声压、质点振速或加速度以及振速或加速度梯度。

The new model takes into account the effects of the lift force and the vertical gradient of particle velocity fluctuation , as well as the effects of sediment gravitational settling and turbulent diffusion which are successfully described by the traditional sediment diffusion theory .

对于明渠二维恒定均匀流，利用垂向动量方程导出了新的泥沙扩散方程，表明颗粒脉动强度梯度、升力、重力沉降和紊动扩散都影响悬沙运动，说明了传统扩散方程的不足。

Assuming that seismic wave in subsurface medium is described by 2-D acoustic equations , we can use the adjoint theory of the distribution-parameter control system and the adjoint equation of original state equation to deduce the gradient formulae of velocity and density .

假设地震波在地下介质中的传播用二维声波方程来描述，则利用分布参数控制系统的伴随理论、引入原始状态方程的伴随方程，可同时导出速度和密度各自的梯度公式、在反演计算中。

With increasing of superficial gas velocities , the liquid flow regime was changed from homogeneous to transitional and radial gradient of axial liquid velocity was rather small .

且当表观气速增大，初始流体流动处于由均匀流型向过渡流型的转变，轴向液体速度在径向的梯度非常小；

It has been found that the wall lift interference corrections on ground effect have related to not only the wall upwash and streamline curvature effcets , but also the normal gradient of the upwash velocity at the horizontal tail .

计算表明，地效试验的洞壁升力干扰修正不仅要计及上洗干扰和流线曲度效应，还应考虑平尾处上洗速度的法向梯度影响。

It was also found that the dynamic pressure of fluid , which increased with the process velocity of fabrics , formed the resistant moment of the rollers of mangle , and that the gradient of the seepage velocity of stretching of the fabrics processed .

并且发现流体动压力是构成轧辊阻力矩的主要成分，它随织物运行速度增大而增大。还阐明前孔区内流体的渗透速度梯度是引起织物拉伸变形的原因。