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To run the model, open
microstrip.pro with Gmsh and click on the "Run" button
in the left panel.
Features addressed in this tutorial
- Physical regions and Abstract regions
- Stiffness term of a Laplacian problem
This is the electrostatic 2D model of a microstrip. Only one half of the system is represented. Symmetry is accounted for by means of a homogeneous Neumann boundary condition on the symmetry axis. The voltage of the electrode, which is not part the domain of analysis, is set to 1mV and is thus imposed as a Dirichlet boundary condition. The electrode is laid on a dielectric slab of relative dielectric permeability equal to 9.8, and which is grounded on its lower face.
This work was funded in part by the Walloon Region (WBGreen No 1217703 FEDO, WIST3 No 1017086 ONELAB) and by the Belgian Science Policy (IAP P7/02). Copyright (c) 2012-2018 ULiège-UCL.