Simulation of Antenna Arrays – Part 5
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Electromagnetics
Asymptotic Waveform Evaluation Method to Speed-Up RF Resonant Simulations
Frequency domain simulation techniques are widely used to analyze the behavior of arbitrarily shaped objects and complex materials. One of the disadvantages of traditional frequency domain techniques, however, is the computational cost involved in obtaining solutions over a range of frequencies. Simulations have to be repeated at each frequency of interest to obtain a complete
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Computational Analysis of Scattering of Electromagnetic Waves by Particles
Computational Analysis of Scattering of Electromagnetic Waves by Particles A computational model of Mie scattering was developed using COMSOL Multiphysics® and its RF Module. It solves for the scattering off a dielectric, magnetic or metal spherical particle with radius a. The model geometry is shown in Figure 1. The air domain is
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Scattering of Electromagnetic Waves by Particles
Scattering of Electromagnetic Waves by Particles Interaction between electromagnetic waves and particles produce unique scattering patterns that are wavelength and particle size dependent. As electromagnetic waves propagate through matter they interact with particles or inhomogeneities and locally perturb the local electron distribution. This variation produces periodic charge separation within the particle causing oscillation
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