In order to guarantee the machining surface quality, numerical control lathe generally has constant surface cutting speed control function.
为了保证加工表面质量,数控车床一般都具有恒表面切削速度控制功能。
In the traditional numerical simulation, the bottom friction coefficient has been treated as a constant or different constant in different region.
在传统的数值模拟工作中,底摩擦系数被当作一个常数或者在不同的海域取不同的常数。
This paper derives the analytical formulas for elements of the matrices using constant and linear elements Therefore, the numerical integral can be avoided.
本文推导了使用常单元和线性单元时矩阵元素的解析表还式,从而避免了数值积分。
This function can make numerical control system according to the point in the X coordinates, as the diameter of the workpiece calculated value spindle speed, and the cutting speed to be constant.
该功能可以使数控系统根据刀尖所处的X坐标值,作为工件的直径值来计算主轴转速,使切削速度保持恒定。
The numerical results show that the diffusion constant and entropy obtained by this method are in good agreement with those of direct dynamical computations.
数值结果指出,用这种方法得到的扩散常数和熵与直接动力学计算得到的非常符合。
In numerical calculation, the paper employs the collocation method to compute the coupled boundary integral equations with quadrangle constant elements.
数值计算采用配置法计算耦合的边界积分方程,使用四边形常单元。
An efficient numerical method is presented for determining the steady-state vibration response of high-speed flexible mechanisms operating with constant input rotating speed.
给出了输入杆具有恒定转速的高速弹性机构稳态振动响应的一种高效解法。
Numerical results of typical problems show that it passes the constant curvature patch test and possesses stable convergence and high accuracy.
数值结果表明该单元能通过常曲率分片试验,收敛稳定并具有较好的精度。
This experiment researched that whether the numerical value of equilibrium constant could be affected because of the differences of the reactant's concentration.
本实验探讨了平衡常数的数值是否会因反应物起始浓度不同而发生变化。
The numerical results show that the value of the resonant modes of the photonic crystal can be modulated by changing the radius and dielectric constant.
结果表明通过改变缺陷的半径和介电常量大小可以在光子晶体禁带中一定的范围内调节缺陷模式的共振频率大小。
This paper was a new design of Bernoulli experiment. It acquired the numerical value of gravitational constant with the method of date processing.
本文是在柏努利演示实验的基础上,对该实验进行新型设计,并运用化工数据处理的方法得到重力加速度的数值。
This analysis indicated that the hydraulic conductivity could not be assumed as a constant value when groundwater flow was simulated with numerical model.
因此,在进行现地地下水流数值模拟时,水力传导系数不能只假设为单一值。
The theoretical analysis and numerical calculation are carried out for turbulent convection mass transfer in heated tubes with consideration of internal mass sources under constant properties.
在常物性条件下,考虑有内部质量源时,对水中的金属腐蚀物杂质在加热管道中的紊流对流传质进行了理论分析和数值计算;
The numerical results show that the binding energy depends on not only the effective mass and dielectric constant but also the spatial distribution of the electron probability density.
数值计算结果表明,杂质结合能不仅依赖于电子有效质量和材料的静态介电常数,而且对没有外加势场时量子阱中电子几率密度的空间分布也很敏感。
Numerical experiment results are presented for one dimensional three-body collision dynamical equations with different masses and elastic constant.
文中建立了三体碰撞过程的动力学方程组,对一维完全弹性三体碰撞进行了数值实验研究。
This numerical control constant current source with the core of single chip microcomputer can provide exact control for the output current, the control could attain milliampere level.
这种以单片机为核心的数控恒流源实现了对输出电流的精确控制,控制精度可达毫安级。
The numerical solution for the model where a constant mobile ion source is located at anode is also introduced.
介绍了阳极为恒流离子源条件时模型的数值求解算法。
He also did very well, he's in a great moment, he gives us a constant alternative and he gives us numerical superiority in every area of the pitch.
他同样做得很好,目前他正处在一个状态出色的时候,他给了我们连胜,也给了我们在场上每一个区域的优胜。
The cumulative constant heat flux model is developed based on an inverse thought and thus inherits the three-dimensional conjugate characteristic of the original numerical model;
累积常热流模型基于逆向思维重构得到,因而很好地继承了原有数值模型的三维耦合性质;
The numerical control constant current source USES microcontroller's control and modularity's design to improve its output accuracy and stability.
该数控恒流源基于单片机控制,采用模块化设计,进步了恒流源白勺输出精度和稳定度。
The numerical results indicate: The bigger the errors of the radius of columns and the lattice constant are, the worse the transmission properties of photonic crystals are.
由于误差的存在 ,光子晶体点缺陷所形成的微腔的共振频率位置与理想情况发生了漂移 ;
The further numerical simulation results show that the larger the difference between the two input torques with constant sum, the larger the maximum shear stress of the cylinder.
数值计算结果表明,当输入不相同的阶跃转矩时,负载的最大剪应力水平将显著增加。
The further numerical simulation results show that the larger the difference between the two input torques with constant sum, the larger the maximum shear stress of the cylinder.
数值计算结果表明,当输入不相同的阶跃转矩时,负载的最大剪应力水平将显著增加。
应用推荐