Electronics

Electronics

Convergence issues on simple structure

    • faerone01
      Subscriber

      I have a simple unit cell with Master/slave boundaries and floquet excitation as seen in pic related. top and back layer are PEC, substrate is rt duroid with an epsilon of 2.2 and loss tangent of 0.001

      I have tremendous issues having it converge on a 0.001 deltaS criterion, taking up to 40 passes per simulation. Is it normal that such a simple structure may have trouble converging ?

    • Anchal Singh
      Ansys Employee

      Could you please tell us why are you using such a tight convergence criterion (delta S 0.001)? Is there any specific reason not to use the default one (delta S 0.02)?
      Please use the 'Image' option to upload screenshots.


      Thanks
      Anchal
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