finite element method (fem) & comsol multiphysics part ii: … · 2018-06-08 · used by...
TRANSCRIPT
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A. Rennings
Finite Element Method (FEM) & Comsol Multiphysics
Part II: Electrodynamic Fields
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Outline
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A simple approach that does not work –scalar basis functions for each component
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A better approach - vector (or edge) elements
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Node-based elements can still be usefulexample: in-plane TE waves
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Some common elementsused by default in Comsol Multiphysics
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Practical limitations - two trivial but fairly large examples
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Practical limitations - possible problems
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RF module overview: application modes in 3D
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RF module overview: important application modes in 2D
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Demo 1: Monopole antenna - results
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Demo 2: Waveguide filter - setup
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later, we may simulate the same structure with FDTD /EMPIRE!
���� check the time for the simulations