Program18 2D FDTD for TM wave Unitless Open Boundary For Loops

Basic 2D FDTD with TM wave in unitless domain with open boundaries with for loops
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Actualizado 9 Feb 2012

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Youtube Links :-
http://www.youtube.com/watch?v=NueceLho8do
http://www.youtube.com/watch?v=T5LKw1s1wjU
http://www.youtube.com/watch?v=HqjevQmenzc

Written for Course :-
Computational Electromagnetics, Fall 2011
Department of Electrical Engineering
Indian Institute of Technology Madras (IITM)
Chennai - 600036, India

Authors :-
Sathya Swaroop Ganta, B.Tech., M.Tech. Electrical Engg.
Kayatri, M.S. Engineering Design
Pankaj, M.S. Electrical Engg.
Sumantra Chaudhuri, M.S. Electrical Engg.
Projesh Basu, M.S. Electrical Engg.
Nikhil Kumar CS, M.S. Electrical Engg.

Instructor :-
Dr. Ananth Krishnan
Assistant Professor
Department of Electrical Engineering
Indian Institute of Technology Madras
http://www.ee.iitm.ac.in/~ananthk

Description :-
A 2D TM wave containing the xy-plane polarized magnetic field having components Hy and Hx and z-polarized electric field Ez. The fields are updated at every timestep, in a unitless space, where all physical parameters of free space are normalized to 1. The update is done using standard update equations obtained from the difference form of Maxwell's curl equations. The field points are defined in a grid described by Yee's algorithm. The H fields are defined at every half coordinate of spacesteps. More precisely, the Hx part is defined at every half y-coordinate and full x-coordinate and the Hy part is defined at every half x-coordinate and full y-coordinate and E fields i.e the Ez part is defined at every full x and full y-coordinate points. Also, the time update is done using Leapfrog time-stepping. Here, H-fields i.e Hx and Hy are updated every half time-step and E fields i.e Ez are updated every full time-step. This is shown by three alternating for-loop updates in groups of two (for H) and one (for E) spanning entire spatial grid inside a main for-loop for time update spanning the entire time-grid.

Citar como

Computational Electromagnetics At IIT Madras (2024). Program18 2D FDTD for TM wave Unitless Open Boundary For Loops (https://www.mathworks.com/matlabcentral/fileexchange/34999-program18-2d-fdtd-for-tm-wave-unitless-open-boundary-for-loops), MATLAB Central File Exchange. Recuperado .

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1.0.0.0