remove opensees-specific items

Author: Francesco Ranaudo

src/compas_fea2/model/elements.py

@@ -187,7 +187,7 @@ class _Element0D(_Element):
     """Element with 1 dimension.
     """
     def __init__(self, nodes, frame, implementation=None, rigid=False, **kwargs):
-        super(_Element1D, self).__init__(nodes, section=None, implementation=implementation, rigid=rigid, **kwargs)
+        super(_Element0D, self).__init__(nodes, section=None, implementation=implementation, rigid=rigid, **kwargs)
         self._frame = frame
 
 class SpringElement(_Element0D):
@@ -205,7 +205,7 @@ class LinkElement(_Element0D):
 class _Element1D(_Element):
     """Element with 1 dimension.
     """
-    def __init__(self, nodes, section, frame, implementation=None, rigid=False, **kwargs):
+    def __init__(self, nodes, section, frame=None, implementation=None, rigid=False, **kwargs):
         super(_Element1D, self).__init__(nodes, section, implementation=implementation, rigid=rigid, **kwargs)
         self._frame = frame
         self._curve = Line(nodes[0].point, nodes[-1].point)

src/compas_fea2/model/parts.py

@@ -295,7 +295,7 @@ def shell_from_compas_mesh(cls, mesh, section, name=None, **kwargs):
         """
         implementation = kwargs.get("implementation", None)
         ndm = kwargs.get("ndm", None)
-        part = cls(name=name, ndm=ndm)
+        part = cls(name=name, ndm=ndm) if ndm else cls(name=name)
         vertex_node = {vertex: part.add_node(Node(mesh.vertex_coordinates(vertex))) for vertex in mesh.vertices()}
 
         for face in mesh.faces():