A perfect matched layer method is used to resolve the numerical simulation in free space. 通过完全匹配层方法对截断边界的吸收处理,解决了无限自由空间的计算问题。
Then it analyze the solutions of opened regional problems of electromagnetic field, including absorbing boundary conditions, perfect matched layer method, finite element boundary integral method. 然后分析了电磁场开区域问题的求解方法,包括吸收边界条件方法,理想匹配层方法,有限元边界积分方法的原理及推导过程。
Then, A wide-angle finite-difference beam propagation method ( BPM ) with a perfect matched layer boundary condition ( PML-BC ) was presented. 应用基于完美匹配层(PML)边界条件(PML-BC)的广角有限差分束传播方法(FD-BPM),分析了介质光波导的表面粗糙度对波导性能的影响。
Two dimensional planar waveguide gratings based on ⅲ - ⅴ materials are analyzed with finite-difference time-domain ( FDTD ) method and perfect matched layer ( PML ) boundary condition. 给出平面波导光栅二维时域有限差分(FDTD)法和完全匹配层(PML)边界条件的数值分析模型。
We solve control equations with high precisions finite difference methods and get a solution of precision requirements; We solve the boundaries with no-reflecting boundary conditions, characteristic inflow boundary conditions and perfect matched layer buffer zone, etc. 其中用高精度差分格式解流场控制方程组,很好的解决了精度的问题:采用无反射边界条件、特征入流边界条件、粘性边界条件及PML缓冲区边界等边界条件解决了边界问题。