Geometry and Meshing
Electromagnetic radiation can interact with a wide variety of geometric entities. In ray optics simulation, the most common elements include lenses, mirrors, prisms, beam splitters, light pipes, and various obstructions. Rays may also interact with buildings, vehicles, people, planets, and more.
In this section, various considerations for setting up the model geometry and the associated finite element mesh are considered in more detail:
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Creating a Geometry
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Domain Selection
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Meshing and Discretization Error
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Meshing Guidelines