A Spatially-filtered Finite-difference Time-domain Method with Controllable Stability Beyond the Courant Limit

A Spatially-filtered Finite-difference Time-domain Method with Controllable Stability Beyond the Courant Limit

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This thesis introduces spatial filtering, which is a technique to extend the time step size beyond the conventional stability limit for the Finite-Difference Time-Domain (FDTD) method, at the expense of transforming field nodes between the spatial domain and the discrete spatial-frequency domain and...

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Bibliographic Details
Main Author: Chang, Chun
Other Authors: Sarris, Costas D.
Language:en_ca
Published: 2012
Subjects:
computational electromagnetics
finite-difference time-domain
spatial filtering
stability limit
CFL limit
CFL extension factor
subgridding scheme
FDTD
spatially-filtered FDTD method
spatially-filtered subgridding scheme
discrete cosine transform
discrete sine transform
discrete fourier transform
0544
Online Access:http://hdl.handle.net/1807/32460

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