搜索结果: 1-9 共查到“机械制造自动化 simulation”相关记录9条 . 查询时间(0.229 秒)
A Study on Small Scale Intermittncy Using Direct Numerical Simulation of Turbulence
A Study on Small Scale Intermittency Direct Numerical Simulation Turbulence
2014/10/24
Theory of turbulence at small scales plays a fundamental role in mo deling turbulence and in retrieving information from physical measurements of turbulent flows. A systematic metho dology based on di...
Computer simulation of the teat-cup liner stress and strain tensor
tensile test suction closing stopper reduced stress
2014/2/24
The three-notch black pressed teat-cup liners were selected into the set of the analysed teat-cup liners, and, for comparison purposes, teat-cup liners produced from silicone mixture. Wall thicknesses...
Virtual Simulation System with Path-Following Control for Lunar Rovers Moving on Rough Terrain
lunar rover comprehensive simulation system rough terrain
2011/8/5
Virtual simulation technology is of great importance for the teleoperation of lunar rovers during the exploration phase, as well as the design of locomotion systems, performance evaluation, and contro...
Supersonic flow over a blunt body using the direct simulation Monte Carlo method and Navier-Stokes equations
DSMC supersonic flows rarefied gas Von-leer method
2010/9/26
The aero thermodynamic characteristics of blunt body in a supersonic flow are studied by two methods of Direct Simulation Monte Carlo (DSMC) and Navier Stocks equations. The numerical calculations wer...
Spatial Operator Algebra for Free-Floating Space Robot Modeling and Simulation
nonholonomic constrained spatial operator algebra dynamic
2011/8/3
As the dynamic equations of space robots are highly nonlinear, strongly coupled and nonholonomic constrained, the efficiency of current dynamic modeling algorithms is difficult to meet the requirement...
重型弧齿锥齿轮铣齿机数控加工模型建立与仿真（Model and Simulation for Numerical Control Machining of Heavy Duty Spiral Bevel Gear Cutting Machine）
弧齿锥齿轮 重型铣齿机 数控加工模型
2009/11/3
通过分析弧齿锥齿轮加工原理及传统机械摇台式弧齿锥齿轮铣齿机的结构和机床运动关系，建立了弧齿锥齿轮铣齿机加工坐标系。采用刀盘主轴进给方式代替传统的整体工件箱部件或摇台部件进给方式，建立了重型弧齿锥齿轮铣齿机三维结构模型。分析了由传统机械摇台式弧齿锥齿轮铣齿机调整参数转变为重型数控弧齿锥齿轮铣齿机调整参数的原理和计算方法，建立了重型弧齿锥齿轮铣齿机的数控加工模型。通过计算实例，得到了重型数控弧齿锥齿轮...
基于瞬时切削力和实体模型的三轴铣削仿真与试验（Simulation of 3-Axis Milling Based on Solid Model and Instantaneous Force）
实体模型 瞬时切削力 数控加工仿真
2009/9/2
引入加工面生成点概念，提出基于瞬时切削力的刀具变形计算和变形刀具移动扫描体的实体建模方法，通过布尔运算生成包含有几何与物理误差的仿真加工模型, 以图形动态显示仿真加工模型的生成过程，并给出精确测量仿真加工模型的方法; 采用PARASOLID建模核心和OpenGL对上述算法完成系统实现。仿真和实际加工试验结果表明，最大仿真误差为0.012mm、最小仿真误差为0.004mm，平均仿真误差为0.008m...
装备无级变速器的整车前向模型建立与仿真（Forward Modeling and Simulation on Vehicle Equipped with CVT）
车辆 无级变速器 前向仿真
2009/8/11
在车辆无级变速器（CVT）产品开发过程中，应用前向仿真可以真实地模拟实际汽车行驶工况。建立装备CVT的整车前向模型，通过仿真过程分析，调整CVT产品结构参数，提高了仿真结果的可信度和精度，实现了对CVT控制策略的设计，缩短了CVT产品工程开发的时间和费用，仿真分析与实车实验结果对比分析表明所建模型有较高的准确性，可应用于CVT产品开发。