FEM: use a more precise object name "vonMises" instead "StressValues"

src/Mod/Fem/App/FemVTKTools.cpp

@@ -694,7 +694,7 @@ std::map<std::string, std::string> _getFreeCADMechResultScalarProperties() {
     // resFCScalProp["PrincipalMax"] = "Major Principal Stress";  // can be plotted in Paraview as THE MAJOR PRINCIPAL STRESS MAGNITUDE
     // resFCScalProp["PrincipalMed"] = "Intermediate Principal Stress";  // can be plotted in Paraview as THE INTERMEDIATE PRINCIPAL STRESS MAGNITUDE
     // resFCScalProp["PrincipalMin"] = "Minor Principal Stress";  // can be plotted in Paraview as THE MINOR PRINCIPAL STRESS MAGNITUDE
-    resFCScalProp["StressValues"] = "von Mises Stress";
+    resFCScalProp["vonMises"] = "von Mises Stress";
     resFCScalProp["Temperature"] = "Temperature";
     resFCScalProp["MohrCoulomb"] = "MohrCoulomb";
     resFCScalProp["ReinforcementRatio_x"] = "ReinforcementRatio_x";

src/Mod/Fem/Gui/Resources/ui/ResultHints.ui

@@ -90,7 +90,7 @@
           <item row="3" column="0">
            <widget class="QLabel" name="user_def_head_13">
             <property name="text">
-             <string>von Mises stress: Von</string>
+             <string>von Mises stress: vM</string>
             </property>
             <property name="textInteractionFlags">
              <set>Qt::TextSelectableByMouse</set>

src/Mod/Fem/femguiobjects/_ViewProviderFemResultMechanical.py

@@ -379,8 +379,8 @@ class _TaskPanelFemResultShow:
             self.none_selected(True)
 
     def vm_stress_selected(self, state):
-        if len(self.result_obj.StressValues) > 0:
-            self.result_selected("Sabs", self.result_obj.StressValues, "MPa")
+        if len(self.result_obj.vonMises) > 0:
+            self.result_selected("Sabs", self.result_obj.vonMises, "MPa")
         else:
             self.result_widget.rb_none.setChecked(True)
             self.none_selected(True)
@@ -445,7 +445,7 @@ class _TaskPanelFemResultShow:
         P1 = np.array(self.result_obj.PrincipalMax)
         P2 = np.array(self.result_obj.PrincipalMed)
         P3 = np.array(self.result_obj.PrincipalMin)
-        Von = np.array(self.result_obj.StressValues)
+        vM = np.array(self.result_obj.vonMises)
         Peeq = np.array(self.result_obj.Peeq)
         T = np.array(self.result_obj.Temperature)
         MF = np.array(self.result_obj.MassFlowRate)
@@ -526,7 +526,7 @@ class _TaskPanelFemResultShow:
             self.update_colors_stats(UserDefinedFormula, "", minm, avg, maxm)
 
         # Dummy use of the variables to get around flake8 error
-        del x, y, z, T, Von, Peeq, P1, P2, P3
+        del x, y, z, T, vM, Peeq, P1, P2, P3
         del sxx, syy, szz, sxy, sxz, syz
         del exx, eyy, ezz, exy, exz, eyz
         del MF, NP, rx, ry, rz, mc
@@ -620,7 +620,7 @@ class _TaskPanelFemResultShow:
         DisplacementLengths --> rb_abs_displacement
         DisplacementVectors --> rb_x_displacement, rb_y_displacement, rb_z_displacement
         Temperature         --> rb_temperature
-        StressValues        --> rb_vm_stress
+        vonMises        --> rb_vm_stress
         PrincipalMax        --> rb_maxprin
         PrincipalMin        --> rb_minprin
         MaxShear            --> rb_max_shear_stress
@@ -635,7 +635,7 @@ class _TaskPanelFemResultShow:
             self.result_widget.rb_z_displacement.setEnabled(0)
         if len(self.result_obj.Temperature) == 0:
             self.result_widget.rb_temperature.setEnabled(0)
-        if len(self.result_obj.StressValues) == 0:
+        if len(self.result_obj.vonMises) == 0:
             self.result_widget.rb_vm_stress.setEnabled(0)
         if len(self.result_obj.PrincipalMax) == 0:
             self.result_widget.rb_maxprin.setEnabled(0)

src/Mod/Fem/feminout/importCcxFrdResults.py

@@ -151,7 +151,7 @@ def importFrd(
 
                 # fill DisplacementLengths
                 res_obj = restools.add_disp_apps(res_obj)
-                # fill StressValues
+                # fill vonMises
                 res_obj = restools.add_von_mises(res_obj)
                 if res_obj.getParentGroup():
                     has_reinforced_mat = False

src/Mod/Fem/femobjects/_FemResultMechanical.py

@@ -139,7 +139,7 @@ class _FemResultMechanical():
         )
         obj.addProperty(
             "App::PropertyFloatList",
-            "StressValues",
+            "vonMises",
             "NodeData",
             "",
             True

src/Mod/Fem/femresult/resulttools.py

@@ -124,7 +124,7 @@ def show_result(resultobj, result_type="Sabs", limit=None):
         return
     if resultobj:
         if result_type == "Sabs":
-            values = resultobj.StressValues
+            values = resultobj.vonMises
         elif result_type == "Uabs":
             values = resultobj.DisplacementLengths
         # TODO: the result object does have more result types to show, implement them
@@ -282,10 +282,10 @@ def fill_femresult_stats(res_obj):
         a_min = min(res_obj.DisplacementLengths)
         a_avg = sum(res_obj.DisplacementLengths) / no_of_values
         a_max = max(res_obj.DisplacementLengths)
-    if res_obj.StressValues:
-        s_min = min(res_obj.StressValues)
-        s_avg = sum(res_obj.StressValues) / no_of_values
-        s_max = max(res_obj.StressValues)
+    if res_obj.vonMises:
+        s_min = min(res_obj.vonMises)
+        s_avg = sum(res_obj.vonMises) / no_of_values
+        s_max = max(res_obj.vonMises)
     if res_obj.PrincipalMax:
         p1_min = min(res_obj.PrincipalMax)
         p1_avg = sum(res_obj.PrincipalMax) / no_of_values
@@ -382,8 +382,8 @@ def add_von_mises(res_obj):
     )
     for Sxx, Syy, Szz, Sxy, Sxz, Syz in iterator:
         mstress.append(calculate_von_mises((Sxx, Syy, Szz, Sxy, Sxz, Syz)))
-    res_obj.StressValues = mstress
-    FreeCAD.Console.PrintLog("Added StressValues (von Mises).\n")
+    res_obj.vonMises = mstress
+    FreeCAD.Console.PrintLog("Added von Mises stress.\n")
     return res_obj