三维FDTD众核算法的设计与实现

摘要

在电磁学中,时域有限差分算法(FDTD)能够精确地模拟空间中电磁场的变化,在电介质器件设计领域得到了广泛的应用.众核(many-core)处理器片上计算资源丰富,对于计算密集型课题有较好的适应性.通过对麦克斯韦方程FDTD仿真算法的分析,并根据众核处理器的特性,实现了FDTD算法的众核并行.实验结果表明,FDTD算法在众核处理器平台上具有较好的计算效率,能够很好地发挥众核结构的优势.%In the electromagnetism.FDTD which has been widely used in the field of dielectric device's designing can simulate the changes of electromagnetic field in space accurately . With abundant computing resources,many-core processor can get good adaptability for compute-intensive task. Based on the analysis of Maxwell's equations and the FDTD simulation algorithm,we achieved the parallel algorithm about FDTD. According to the experiment's results,FDTD algorithm has high computational efficiency on the platform of many-core processor, and can make full use of the structure characteristic of many-core processor.