FEM: examples, move base setups in separate modules

2021-06-16 15:55:45 +02:00
parent cb1af60183
commit 6466aadbce
10 changed files with 202 additions and 149 deletions
--- a/src/Mod/Fem/femexamples/boxanalysis_base.py
+++ b/src/Mod/Fem/femexamples/boxanalysis_base.py
@@ -0,0 +1,80 @@
+# ***************************************************************************
+# *   Copyright (c) 2019 Bernd Hahnebach <bernd@bimstatik.org>              *
+# *   Copyright (c) 2020 Sudhanshu Dubey <sudhanshu.thethunder@gmail.com    *
+# *                                                                         *
+# *   This file is part of the FreeCAD CAx development system.              *
+# *                                                                         *
+# *   This program is free software; you can redistribute it and/or modify  *
+# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
+# *   as published by the Free Software Foundation; either version 2 of     *
+# *   the License, or (at your option) any later version.                   *
+# *   for detail see the LICENCE text file.                                 *
+# *                                                                         *
+# *   This program is distributed in the hope that it will be useful,       *
+# *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+# *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+# *   GNU Library General Public License for more details.                  *
+# *                                                                         *
+# *   You should have received a copy of the GNU Library General Public     *
+# *   License along with this program; if not, write to the Free Software   *
+# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
+# *   USA                                                                   *
+# *                                                                         *
+# ***************************************************************************
+
+import FreeCAD
+
+import Fem
+import ObjectsFem
+
+from .manager import get_meshname
+from .manager import init_doc
+
+
+def setup_boxanalysisbase(doc=None, solvertype="ccxtools"):
+
+    # init FreeCAD document
+    if doc is None:
+        doc = init_doc()
+
+    # geometric objects
+    # object name is important in this base setup method
+    # all module which use this base setup, use the object name to find the object
+    geom_obj = doc.addObject("Part::Box", "Box")
+    geom_obj.Height = geom_obj.Width = geom_obj.Length = 10
+    doc.recompute()
+
+    if FreeCAD.GuiUp:
+        geom_obj.ViewObject.Document.activeView().viewAxonometric()
+        geom_obj.ViewObject.Document.activeView().fitAll()
+
+    # analysis
+    analysis = ObjectsFem.makeAnalysis(doc, "Analysis")
+
+    # material
+    material_obj = ObjectsFem.makeMaterialSolid(doc, "MechanicalMaterial")
+    mat = material_obj.Material
+    mat["Name"] = "Steel-Generic"
+    mat["YoungsModulus"] = "200000 MPa"
+    mat["PoissonRatio"] = "0.30"
+    mat["Density"] = "7900 kg/m^3"
+    material_obj.Material = mat
+    analysis.addObject(material_obj)
+
+    # mesh
+    from .meshes.mesh_boxanalysis_tetra10 import create_nodes, create_elements
+    fem_mesh = Fem.FemMesh()
+    control = create_nodes(fem_mesh)
+    if not control:
+        FreeCAD.Console.PrintError("Error on creating nodes.\n")
+    control = create_elements(fem_mesh)
+    if not control:
+        FreeCAD.Console.PrintError("Error on creating elements.\n")
+    femmesh_obj = analysis.addObject(ObjectsFem.makeMeshGmsh(doc, get_meshname()))[0]
+    femmesh_obj.FemMesh = fem_mesh
+    femmesh_obj.Part = geom_obj
+    femmesh_obj.SecondOrderLinear = False
+    femmesh_obj.CharacteristicLengthMin = "8.0 mm"
+
+    doc.recompute()
+    return doc