摘要
对交流等离子体显示板(ACPDP)流体模拟中的加速算法进行了讨论,分析了介电弛豫时间对流体模拟计算中时间步长的影响。同时对通量密度的Scharffeter Gummel格式和电场半隐式格式进行了分析,数值实验表明,采用电场半隐式格式校正可以提高计算时间步长至少2个数量级,选取20～50倍介电弛豫时间作为计算时间步长,可以保证较好的计算结果并加快计算速度。
The speed up methods for fluid modeling of alternating current plasma display panel(AC PDP) are discussed. The influence of dielectric relaxation time on the time step in fluid simulation is analyzed. The Scharffeter-Gummel scheme for flux density and the semi-implicit scheme for electric field are also discussed. The numerical results show that the time step can be increased at least two orders by semi-implicit scheme correction. It is suggested that the time step in the semi-implicit scheme can be chosen as 20～50 times of the dielectric relaxation time to get better accuracy and high computational speed.
出处
《真空电子技术》
2005年第1期16-19,共4页
Vacuum Electronics
