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Ansys Insight : Using the non-uniform mesh (periodic structures)

    • Greg Baethge
      Ansys Employee

      The non-uniform mesh generation does not necessarily produce meshes that automatically match the periodicity of the physical structure. In some cases, such as high Q photonic crystal micro-cavities, using a mesh that has the same periodicity as the physical structure being simulated is better for numerical accuracy. In this case, a mesh override region can be used to ensure that a/Δ=N

      where a is the period, Δ is the mesh cell size and N is an integer.

      To insert mesh override regions, select the Mesh option of the Simulation button.

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