diff --git a/Electrostatics/microstrip.pro b/Electrostatics/microstrip.pro index bc81df1a78115f26504a1ca6801bef632bcd5abe..22d3fe19f930f021ff2b0e61066d161c70ac4657 100644 --- a/Electrostatics/microstrip.pro +++ b/Electrostatics/microstrip.pro @@ -16,8 +16,8 @@ Run (button at the bottom of the left panel) ------------------------------------------------------------------- */ -/* In this first tutorial we consider the solution of electric fields given a - static distribution of electric potentials. This corresponds to a so-called +/* In this first tutorial we consider the calculation of the electric field + given a static distribution of electric potential. This corresponds to an "electrostatic" physical model, obtained by combining the time-invariant Maxwell-Ampere equation (Curl e = 0, with e the electric field) with Gauss' law (Div d = rho, with d the displacement field and rho the charge density) @@ -31,10 +31,12 @@ We consider here the special case where rho = 0, to model a conducting microstrip line on top of a dielectric substrate. A Dirichlet boundary - condition sets the potential to 1 mV on the boundary of the line (called - "Electrode" below) and 0 V on the ground. A homogeneous Neumann boundary - condition (zero flux of the displacement field, i.e. n.d = 0) is imposed on a - surface truncating the modelling domain. */ + condition sets the potential to 1 mV on the boundary of the microstrip line + (called "Electrode" below) and 0 V on the ground. A homogeneous Neumann + boundary condition (zero flux of the displacement field, i.e. n.d = 0) is + imposed on the left boundary of the domain to account for the symmetry of the + problem, as well as on the top and right boundaries that truncate the + modelling domain. */ Group { /* One starts by giving explicit meaningful names to the Physical regions