Based on the inherent property of 3-D FDM uniformed-mesh system, the DIB technology, by which the simulation data about temperature field or fluidity field can be displayed, such as projection calculation and hiding, rapid traversing mesh algorithm, real-time animation and DIB display, etc.
从有限差分均匀网格系统的特殊性出发,介绍了采用DIB显示温度、流动数据的相关技术,诸如投影计算和消隐处理、加快遍历网格速度算法、实时动画和DIB的显示等。
Circumscribing the temporary fire area at oil depots.;
石油库临时动火区域的划分
Based on instantaneous kinetic energy equivalent principle,a kind of accurate calculating method of single-cylinder diesel engine s variable inertia is presented.
基于瞬时动能等效原则,提出了单缸变转动惯量的精确求解方法;建立了单、多缸曲轴系统自由扭转振动微分方程,并对系统的扭振特性进行了理论分析;对某一多缸柴油机曲轴系进行了考虑变惯量下的自由扭振数值计算。
Against the weakness of relay using single end main frequency,this paper presents the instant operation scheme based on resistance accelerating circle after fault analysis to implement accelerated trip.
针对单端工频电气量保护不能做到输电线路全线速动的缺点,在故障分析的基础上,提出了一种基于阻抗加速圆的瞬时动作判据。
Real time and non-real time animation methods are given,as well as the page switching methods for fast animation.
分析了微型计算机动画的特点和难点,介绍微机实时动画和非实时动画的实现方法,给出了快速动画的几种页面切换技术,并介绍了计算机动画压缩技术与动画文件格式。