Effective development of cylindrical finite-difference time-domain for electromagnetics applications
Computationally, the size of the domain is important in terms of the memory and time to complete the run and collect the results. Thus, a conventional perfectly matched layer (PML) can be used to truncate computational regions in numerical methods. This will reduce the memory size and the time to complete the run. However, the accuracy of the PML is necessary in finite-difference time-domain (FDTD) method. It has been shown from past literature that for cylindrical FDTD (CFDTD) the accuracy of the PML is low especially near to the z-axis and for low frequency applications. Complex frequency ...
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