查询词典 numerical control

Warm-hot control forging process of automobile spline shaft is investigated by using physical simulation and numerical simulation.

采用物理模拟和数值模拟相结合的手段，对汽车花键轴的温热控制精锻工艺进行了深入的研究。

However,most of the current numerical implementation are based on a hybrid finite - element/finite - difference/control - volume solution with the middle - plane model. This kind of model leads to great inconvenience in applications..

但目前的流动模拟软件都是采用基于&中性层&模型的有限元/有限差分/控制体积法来分析z1，所谓中性层是假想的位于模具型腔和型芯中间的层面，其模拟过程如图1所示。

Low-speed maglev vehicle structures and their kinematic relationship were analyzed,a 76-DOFs virtual prototype model with active levitation control was developed by SIMPACK software,the numerical simulation of guidance mechanisms was carried out based on the model,and the kinematic rules of T-shape arm and lateral skid platform and their relationship were studied.

在分析低速磁浮车辆结构及其运动学关系基础上，利用SIMPACK软件，建立了含主动悬浮控制的76个自由度的磁浮车辆虚拟样机模型，开展了基于整车动力学的低速磁浮车辆导向机构仿真分析，研究了T形臂、横向滑台及两者之间的运动学规律。

Separation ; boundary layer control ; numerical simulation.

分离；边界层控制；数值模拟

The double sublimation front model was simulated numerically with variable time-step finite volume method. This study mainly concentrates on the influences of control parameters, such as loss factor, initial saturation and electric field strength, on microwave freeze-drying. A comparison of the numerical results was done for different porous structure form as well.

对包括电介质损耗系数、物料的初始饱和度及电场强度等在内的变工况下非饱和含湿多孔介质微波冷冻干燥过程进行了计算，分析了各个参数对干燥过程的不同影响，同时对不同坐标系下的数值计算结果进行了比较。

The study results of the thesis imply that the sandwich beam structural model, the viscoplastic model and the time-dependent damage model utilized have high numerical efficiency, and can meet the requirement for the real-time ability, while the model of continuous damage rate developed is potential to on-line application. Additionally, the fuzzy damage-mitigating controller has very well damage-mitigating effect, and may be suitable for on-line applications of service lifetime prediction and damage control for the LRE.

本文研究结果表明，本文所采用的夹芯梁结构模型、粘塑性模型和损伤模型具有较高的数值计算效率，可以满足实时性的要求；连续形式的损伤模型，满足在线应用的要求；设计的模糊损伤控制器能够起到比较好的减损效果，有望应用于实时在线减损控制。

Finally, the adaptive control strategy of active balancing for a strictly positive and real rotor with actuator time delay is successfully extended to a flexible rotor with single collocated plane and a flexible rotor with multiple collocated planes. A series of numerical simulations demonstrate that the proposed controller is valid to suppress the imbalance-induced vibration of these rotor systems.

最后，把带作动器时迟的严格正实转子系统的自适应控制策略成功地推广到具有单并置平面的柔性转子及具有多并置平面的柔性转子，一系列数值模拟验证了该控制律对抑制这些转子不平衡振动的有效性。

On the basis of theory analysis and numerical simulation, to combine project practice and primarily form a suit of suitable technology of control of roof and support of high cut.

在理论分析和数值模拟的基础上，结合工程实践，初步形成了一套适合大采高综采可行的顶板及支架控制技术，部分研究成果得到现场实践的证实。

First, the control equations of two circulations are cstablished, and then it is tried to find numerical solution of the model under different circumstances.

首先建立系统中两个循环体的控制方程，然后在有限条件下对模型求解，并对求解的结果进行实际意义的分析。

Numerical results show that THMD s et can achieve an effect close to that of an ordinary TMD,while out performing TLD and TLCD,that the control-ling performance of THMD set b y the optimum dynamic method is much better than that set by the ge neral methods,and that the design of THMD dimension set by the opti mum dynamic method is more reasonable for using the structural inner s pace.

算例分析表明，THMD可取得与TMD相当，优于TLD、TLCD的控制效果；而运用最优动力方法设置的THMD的控制性能明显优于普通方法，并为适应结构物内部使用空间要求提供了更为宽松的条件。

This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。