Publications [#68175] of Qing H. Liu

Papers Published

1. Liu, Q.H. and He, J.Q., Quasi-PML for waves in cylindrical coordinates, Microw. Opt. Technol. Lett. (USA), vol. 19 no. 2 (1998), pp. 107 - 11 [(SICI)1098-2760(19981005)19:2<107::AID-MOP7>3.0.CO;2-K]
   (last updated on 2007/04/17)

   Abstract:
   We prove that the straightforward extension of Berenger's original perfectly matched layer (PML) is not reflectionless at a cylindrical interface in the continuum limit. A quasi-PML is developed as an absorbing boundary condition (ABC) for the finite-difference time-domain method in cylindrical coordinates. For three-dimensional problems, this quasi-PML requires only ten equations, instead of twelve equations in the best true PML formulations. With a satisfactory absorption level, it is simpler and requires about 20% less computer memory than the true PML ABC

   Keywords:
   electromagnetic wave absorption;finite difference time-domain analysis;