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Ansys Learning Forum Forums Discuss Simulation Photonics mode doesn’t converge in EME? Reply To: mode doesn’t converge in EME?

Guilin Sun
Ansys Employee
Not sure what kind of device you are simulating. From your screenshots, it is obviously that the number of modes do not converge. This can happen when one or more group needs more number of modes. It may also mean that the cell length is too large causing the modes change rapidly. Please check the diagnoses, and get some information here:
EME Convergence Testing - An Intuitive Approach
Convergence testing process for EME simulations
EME Solver analysis window overview
Convergence Testing - Error Diagnostics - Diagnostics