EM Simulation Overview for IHP SG13G2 OPDK

February 2026

Contents

• Introduction
  • Solver methods
  • Which solver method is better for my model?
  • Workflows using Python model script
    • gds2openEMS workflow (FDTD)
    • gds2palace workflow (FEM)
  • Graphical user interface: EMStudio
  • Graphical user interface: setupEM
• S-Parameter port de-embedding
  • Port de-embedding in Palace workflow
  • Port de-embedding in openEMS workflow
• Lumped model and SPICE model extraction
  • Lumped model fit
  • Black box vector fit
• Viewing S-simulation results
  • S-parameter viewer in qucs-s
  • Python script „plot_snp“
  • Python script „plot_inductor“
• GDSII geometry cleanup prior to simulation
  • gds_removefill
  • gds_simplify
  • gds_prepare_for_EM
• Some example simulations
  • mpa_core
    • OpenEMS simulation
    • Palace simulation
  • Inductor 400pH @ 40 GHz
    • OpenEMS simulation
    • Palace simulation
  • Butler matrix 93 GHz
    • OpenEMS simulation
    • Palace simulation
  • Stacked Technology using openEMS flow