Merge pull request #20002 from marioalexis84/fem-static_current_elmer

Fem: Some changes in static current features

src/Mod/Fem/Gui/Resources/symbols/ConstraintCurrentDensity.iv

@@ -32,8 +32,12 @@ Separator {
 
       Separator {
 
+        Rotation {
+          rotation 1 0 0  3.1415927
+
+        }
         Translation {
-          translation 0 3.3333334 0
+          translation 0 -0.66666669 0
         }
         Cone {
           bottomRadius 0.66666669

src/Mod/Fem/femsolver/elmer/equations/staticcurrent.py

@@ -30,14 +30,14 @@ __url__ = "https://www.freecad.org"
 
 from femtools import femutils
 from ... import equationbase
-from . import linear
+from . import nonlinear
 
 
 def create(doc, name="StaticCurrent"):
     return femutils.createObject(doc, name, Proxy, ViewProxy)
 
 
-class Proxy(linear.Proxy, equationbase.StaticCurrentProxy):
+class Proxy(nonlinear.Proxy, equationbase.StaticCurrentProxy):
 
     Type = "Fem::EquationElmerStaticCurrent"
 
@@ -83,7 +83,7 @@ class Proxy(linear.Proxy, equationbase.StaticCurrentProxy):
         obj.addProperty("App::PropertyPower", "Power", "StaticCurrent", "Power control value")
 
 
-class ViewProxy(linear.ViewProxy, equationbase.StaticCurrentViewProxy):
+class ViewProxy(nonlinear.ViewProxy, equationbase.StaticCurrentViewProxy):
     pass
 
 

src/Mod/Fem/femsolver/elmer/equations/staticcurrent_writer.py

@@ -40,7 +40,7 @@ class SCwriter:
 
     def getStaticCurrentSolver(self, equation):
         # output the equation parameters
-        s = self.write.createLinearSolver(equation)
+        s = self.write.createNonlinearSolver(equation)
         s["Equation"] = "Stat Current Solver"
         s["Procedure"] = sifio.FileAttr("StatCurrentSolve/StatCurrentSolver")
         s["Variable"] = self.write.getUniqueVarName("Potential")