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forn.pdf

colorado.edu · 7,954 words · saved by 1 readers

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Some Numerical Techniques for Maxwell’s Equations in Different Types of Geometries Bengt Fornberg? University of Colorado, Department of Applied Mathematics, 526 UCB, Boulder, CO 80309, USA (fornberg@colorado.edu) Summary. Almost all the difficulties that arise in finite difference time domain solutions of Maxwell’s equations are due to material interfaces (to which we include objects such as antennas, wires, etc.) Different types of difficulties arise if the geo- metrical features are much larger than or much smaller than a typical wave length. In the former case, the main difficulty…

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