在等温条件下,在各向同性变形阻力演化方程中引入温度项来考虑温度效应。
In the isothermal condition, the effect of temperature was introduced by temperature terms in evolution equations of isotropic deforming resistance.
还提出了对先前加载历史循环变形行为衰减记忆的各向同性变形阻力演化方程。
Moreover, the evolution equations of isotropic deformation resistance which has fading memory on the cyclic deformation behavior of previous history are deveopled.
从而从这些有缺陷的能量平衡方程所得到的一些泥沙运动理论,如输沙强度、动床阻力等,就难免在理论上存在一定的不足。
Therefore, some sediment transport theories derived from these energy balance equations of sediment-laden flow, such as sediment transport intensity, resistance in movable bed, etc.
以年龄、身高、FVC为自变量,在IBM-PC/XT计算机上用多元逐步回归法建立呼气和吸气阻力的回归方程。
The regression equations of expiratory and inspiratory resistances were built with multiple stepwise regression analysis on the IBM PC/XT computer with age, height and FVC as independent variables.
并提出在数值模拟控制方程中,如何考虑加入桩(群)影响的阻力项。
In the governing equation of numerical simulation, factors of resistance considering effects of pile or pile group were applied.
并根据地层阻力系数原理,推导出了产水气井水平井产能方程。
According to formation resistance coefficient, it has also brought forward horizontal productivity equation of water-producing gas well.
应用动态球腔扩张理论,建立了冲击贯入方程、冲击次数表达式和贯入阻力与贯入深度的关系。
And then a theory on the penetrating depth, the number of impact and the relation between penetrating resistance and depth was obtained by means of dynamic spherical cavity expansion.
针对典型形状微通道(微缝隙)在滑移边界条件下,利用粘性流体运动方程和动量方程,推导出速度场和流动阻力。
Aimed at typical shape micro-channel (fissure) under slip confine condition, it used dauby fluid motion equation and momentum equation, derived pace bout and running resistance.
通过刚体理论,推导了考虑空气阻力时标枪的动力学方程组,并在不同出手参数组合的情况下对标枪的出手角进行计算和分析。
The dynamic equations of javelin with air resistance are derived through rigid body theory and the release angles are calculated and analyzed under the combination of different release parameters.
本文建立了在水平分支井眼中的钻柱摩擦阻力微分方程,并得到了在起、下钻过程中钻柱的总摩阻。
In this paper, the differential equation for the frictional resistance on the drill string in branch horizontal Wells was established and the total drill string friction during tripping was got.
根据调节阀阻力特性和流量特性的定义,建立了二者之间的数值关系方程。
The numerical equation about regulating valves resistance and discharge characteristics is established according to their relation.
在全面考虑壁面对空泡运动粘性阻力和升力影响的基础上,建立了空泡在近壁区内的运动微分控制方程。
The motion equations of a bubble near a plane wall have been established with the lift force and wall effects on the drag force taken into consideration.
根据试验结果和建立的运动方程,获得阻力系数与圆管形状的关系,并计算了圆管所受到的拖曳力。
Based on the test results and movement equation established, the relationship between drag coefficient and tubular shape is obtained and the drag force imposed on pipe is calculated.
从理论上分析了平纹织物的交织阻力,提出了相应的物理模型和数学方程序。
The interweave resistance of plain cloth is analysed theoretically and the relative physical model and mathematical equation are proposed in this paper.
应用水阻力估算公式,建立击针在运动过程中考虑水阻力时的运动学方程。
An estimated resistance formula was used to establish the firing pin's kinematic equations in which the water-resistance was calculated.
本文通过城市电瓶轿车的阻力平衡和功率平衡方程序,以及事先设定的城市电瓶轿车性能指标和轿车本身的基本参数,得出了驱动电机的参数。
Through resistance equilibrium and balanced equation of the power, and the performance of City Battery Car, the parameter of the drive motor has been obtained.
利用力平衡原理建立了料栓平衡方程序,并结合试验数据得出了预测栓流运动阻力损失公式。
An equation for calculating the pressure drop in slug flow was achieved, which is based on the experimental data and the principle of force equilibrium.
本文在考虑水流阻力的情况下,提出计算等空化数曲线的方程组,并给出电算程序。
This paper gives, from the energy equation for rapidly varied flow, the equations for the calculation of the curve of equal cavitation number in consideration of friction losses.
建立三维湍流模型,在水流控制方程中加入植被阻力项和植被密度项来考虑刚性植物对水动力特性和泥沙输运特性的影响。
This paper proposes a 3d turbulence model, introducing vegetation density and drag force to the control equations of water flow with vegetation.
将分别对应于边壁和床面的爱因斯坦阻力公式应用阻力计算中,可以解决方程组不闭合的问题。
When the Einstein logarithmic resistance formula is used to calculate the resistance of sidewall and bed flow respectively, the closure problem of equation group can be solved.
本文研究离心纺纱时的纱线曲线,计入空气阻力,得出近似方程式(9)。
With air resistance taken into account, the approximate equation for yarn curve slope is given as (9);
并基于保角变换数学方法和等值渗流阻力原理,直接推导气藏水平井层流产能方程。
Meanwhile, the paper directly derives the laminar flow productivity functions of gas horizontal Wells which based on the theory of equivalent porous flow and the math method of baojiao transform.
将饱和土作为二相介质,考虑土骨架和孔隙流体之间的摩阻力,建立了饱和土中一维压缩波传播的二相动力分析控制微分方程,采用有限差分法求解。
In this paper, the saturated soil is dealt with as a two phase media. Thefric 'ion between the soil skeleton and porous liquid is considered.
将饱和土作为二相介质,考虑土骨架和孔隙流体之间的摩阻力,建立了饱和土中一维压缩波传播的二相动力分析控制微分方程,采用有限差分法求解。
In this paper, the saturated soil is dealt with as a two phase media. Thefric 'ion between the soil skeleton and porous liquid is considered.
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