查询词典 simulating

General clue of this paper is simulating wood stress field change in initial cutting stage and working out weighted boundary condition of cutting tools first,and then based on which, finding out shear stress and maximal effective stress when wood cut-ted.Meanwhile,finite element comparative analysis is proceeded on distortion and stress field by changing tool orthogonal rake.

本课题的总体思路是通过大型有限元软件ANSYS来模拟切削初始阶段中木材的应力场变化，进而得出刀具受力的边界条件，依此为基础求出木材受切时的剪应力及最大等效应力，同时通过变化刀具前角分别对受切工件的变形及应力场进行有限元比较分析，从而确定刀具的优化前角；优化前角确定后，再通过对刀具进行强度校核确定后角优化值。

Then triaxial elastic finite element model was made through ANSYS software for U-type die holder with numerical simulating analysis and proofread of stress and strain.

在精度要求高时，这种精冲模架可实现一次精密成形，大大降低劳动强度，提高劳动生产率，是一种先进而实用的加工方法。

The formation reasons of microstructures with three different characteristics were discussed by simulating filling and solidification process for the plate die casting.

经过平板压铸件充型及凝固过程的数值模拟，探讨了上述不同特征表层组织形成的原因。

Directed at complete study on the law of the overlying strata and the characteristics of stress distribution on mining in steeply dipping seams,this paper is focused on research on the law of overlying strata and the stress variation characteristics by simulating the exploitation of the fully mechanized coal mining face in steeply dipping seam of Xinzhuangzi mine.

为了全面研究大倾角煤层开采上覆岩层垮落特征和围岩应力分布规律，运用相似材料模拟新庄孜矿大倾角综采工作面的开采，研究开采后大倾角工作面上覆岩层移动规律及应力变化特征。

By analogue simulating test, the paper discusses fully-mechanized sub-level with dirt band, the top-coal caving and drawing property , the caving procedure and drawing law, and the dirt band critical thickness related to complex structure thickness seam of 2429S.

主要以实验室相似模拟实验为主，对含夹矸复杂结构厚煤层中的2429S综放工作面含夹矸顶煤的冒放性、放煤工艺及放出规律、夹矸层极限厚度的确定等问题进行了论述，并指出了含夹矸顶煤的活动规律和放顶煤开采的技术措施。

In order to analyzes the soil deformation mechanism under the impact load of the step-bit, the finite element model of impact and displacement drilling with down the hole hammer is established on the basis of adopting Drucker-Pager yield criterion, taking soil as DP materials and simulating the drilling process by applying the impact load on soils.

为了分析阶梯钻头冲击挤密作用下土体的变形机理，将土体视为DP材料，服从Drucker-Prager屈服准则，通过钻具与土体之间的接触以及施加冲击载荷来模拟钻进过程，建立了潜孔锤冲击挤密钻进的有限元模型。

The bottom of the upper clip was shaped into an eccentric axis for providing the loading. A spring mechanical device fixed on the balance bars was installed for simulating the force provided by the erector spinae.

园柱状钢质夹具，固定脊柱标本，两侧焊有平衡杆，用于加载的上端夹具底部制做偏心状轴承，在平衡杆上固定弹簧装置模仿脊柱后方骶脊肌。

By simulating the switch unit, it can be seen that ATM switch unit that is designed by use of hierarchical design of top down with VHDL can perform the basic function of cell head changing, routing and queuing. If many cells race one output channel, the ATM switch can put these cells into a buffer, then queue and output them. When the broadcast cell advents, it can be delivered to all channels.

本文通过对所设计的基于VHDL描述的ATM交换单元进行仿真验证可以得出如下结论：采用自顶向下的层次化设计、由VHDL描述的ATM交换单元能够实现信头变换、选路和排队三项基本功能；当多个信元同时竞争某一出端时能够对信元进行缓冲存储和排队输出；而且当有广播信元到来时还可以对所有出端进行广播输出。

An annealing experiment and different annealing parameters show that the coercive force and MR of the spin-valve film respectively is 358.2 A/m and 9.24% before annealing, but they have increased to 3.18 A/m and 8.54% after annealings, which proves the numerical simulating method is conductive to the improvement of the annealing conditions.

介绍了不同退火参数下的模拟实验，结果显示退火前样品的的矫顽力为358.2 A/m、MR为9.24%，退火后其分别降到3.18 A/m和8.54%，表明数值模拟方法可以较好地拟合自旋阀薄膜的退火条件及实验结果，并有助于优化退火条件。

A high-speed camera is used to visualize the flow structures,and Laser Doppler Velocity is employed for velocity measurement.The osculations are conducted on the two-dimensional hydrofoil section,based on a single-fluid model of the cavitation:the liquid/vapor mixture is considered as a homogeneous fluid whose eompsition is regulated by mass tranfer equation.The RNG k-ε turbulence model with modified eddy viscosity coefficient is used for computing,and the coefficient is related to the vapor and liquid densities in cavitated regions for simulating the cavitating flow.

实验采用高速录像技术观察了云状空化随时间的结构变化，应用 LDV 测量了云状空化条件下翼型周围的速度分布；采用 N-S 方程和基于空泡动力学方程的空化模型计算了绕水翼云状空化流场，湍流模型采用了 RNG k-ε方程，为了改善空化流动的计算精度，引入了一种与空化区域水汽相密度相关的系数，对湍流涡黏性系数进行了修正。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。