摘要
将龙格-库塔(Runge-Kutta)方法引入到时域多分辨分析(MRTD)算法,即在时间上采用Runge-Kutta方法离散,并用此算法解决传统时域有限差分(FDTD)算法较大的色散误差问题.对Runge-Kutta时域多分辨分析算法(RK-MRTD)的稳定性和数值色散性进行系统分析,数值结果表明该方法具有高精度性.
The Runge-Kutta method was applied to Mutliresolution Time Domain(MRTD) scheme to solve the dispersion error of the traditional finite difference time-domain(FDTD) method,and the sheme in time direction was discretized using Runge-Kutta method.The stability and numerical dispersion equation of the Runge-Kutta mutliresolution time domain(RK-MRTD) method were deduced,numerical results showed the high accuracy of the RK-MRTD scheme.
出处
《安徽大学学报(自然科学版)》
CAS
北大核心
2011年第5期68-72,共5页
Journal of Anhui University(Natural Science Edition)
基金
国家自然科学基金资助项目(60671051)
安徽省教育厅自然科学基金重点资助项目(KJ2009A53)