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Ansys Learning Forum Forums Discuss Simulation Photonics Why FDE Eigen mode solver is giving different solution than Comsol FEM solver? Reply To: Why FDE Eigen mode solver is giving different solution than Comsol FEM solver?

Guilin Sun
Ansys Employee

Please refer to this article: https://optics.ansys.com/hc/en-us/articles/360034382694-Symmetric-and-anti-symmetric-BCs-in-FDTD-and-MODE

It will select the modes that have such summetry, and save memory as well as time.

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