有限公式方法在电磁传播过程中的应用

运用具体算例,证明新型的电磁场数值计算方法———有限公式方法的正确性。运用有限公式方法,又称元胞法,对电磁波的传播过程,包括正弦电磁波在自由空间和介质空间中的传播过程,进行了二维的仿真,并与时域有限差分法的仿真进行了比较。计算结果表明,与目前数值计算方法相比,在保持同等计算精度的前提下,新方法在计算规模、计算效率等方面,具有明显的优势。计算结果证明:元胞法是正确的,同时也是高效的,他提供了一个新的计算电磁场的思路。

Application Based on Finite Formulation Method in the Course of Electromagnetic Propagation

Through using specific cases,this article proves the validity of a novel numerical method of electromagnetic field finite formulation method.Using finite formulation method,also named after cell method,the propagating courses of electromagnetic wave,including the propagating courses of sinusoidal electromagnetic wave in the free space and in the space with medium,are simulated in the two-dimension,and which are compared with the simulations of FDTD.The results indicate that compared with the present numerical method,under the circumstance of equal calculated accuracy,the novel method has apparent advantages over calculating accuracy,scale,efficiency and so on.The calculating results prove that cell method is valid,and is high efficient,providing a new ideal to calculate electromagnetic field.