FEM: examples, move some method in separate module

src/Mod/Fem/femexamples/boxanalysis_static.py

@@ -34,13 +34,8 @@ import FreeCAD
 import Fem
 import ObjectsFem
 
-mesh_name = "Mesh"  # needs to be Mesh to work with unit tests
-
-
-def init_doc(doc=None):
-    if doc is None:
-        doc = FreeCAD.newDocument()
-    return doc
+from .manager import get_meshname
+from .manager import init_doc
 
 
 def get_information():
@@ -94,7 +89,7 @@ def setup_base(doc=None, solvertype="ccxtools"):
     control = create_elements(fem_mesh)
     if not control:
         FreeCAD.Console.PrintError("Error on creating elements.\n")
-    femmesh_obj = analysis.addObject(ObjectsFem.makeMeshGmsh(doc, mesh_name))[0]
+    femmesh_obj = analysis.addObject(ObjectsFem.makeMeshGmsh(doc, get_meshname()))[0]
     femmesh_obj.FemMesh = fem_mesh
     femmesh_obj.Part = geom_obj
     femmesh_obj.SecondOrderLinear = False