High-speed electromagnetic field simulation by HIE-FDTD method with GPGPU

The HIE(Hybrid Implicit-Explicit)-FDTD method is very useful for the simulation of computational domain with thin cells. This paper describes the HIE-FDTD method with GPGPU(General Purpose computing on Graphic Processing Unit) for massively parallel electromagnetic field simulation. First, the properties of the HIE-FDTD method are explained. Next, 3D HIE-FDTD method with CUDA is implemented. Finally, it is shown that the performance of the HIE-FDTD method by GPGPU is much superior to the HIE-FDTD method with single CPU.