Changes

For static analysis, the model can be excited with any number of Voltage Sources, Charge Sources, or Current Sources. For quasistatic Quasistatic analysis, only Voltage Sources are of use.

=== To add a new Voltage Source to a project, right-click on Voltage Sources === on the navigation tree, and select "Insert Voltage Source...". In the Voltage Source dialog, select the PEC group to which the specified voltage will be applied. Enter any string as the Voltage -- a text string will be interpreted as a variable which can be used for parametric design, or a parameter sweep.

Charge Sources in EM.Ferma apply a charge (or charge density) to a region defined by any of EM.CUBE's CAD objects. Adding a new Charge Source is very similar to adding a new material in EM.CUBE. Find the Charge Source group label in the navigation tree and select "Insert New Charge Source..." A dialog will prompt the user to decide whether charge for this group will be defined in terms of total charge or charge density. If charge density is chosen, the specified charge density will be applied to all CAD objects defined in the present Charge Source group. If total charge is selected, the specified total charge will be distributed amongst the total volume of all objects under the present material group.  === Voltage Current Sources === Current Sources in EM.Ferma apply a specified current to any number of one-dimensional CAD objects, such as Lines, Polylines, or Spirals. For any curve, such as a Parabola or a Circle, the user will be prompted to perform a one-time conversion to a Polyline just before running a simulation.