diff --git a/src/Mod/Fem/femmesh/meshtools.py b/src/Mod/Fem/femmesh/meshtools.py
index a67d298379..f2d284ad07 100644
--- a/src/Mod/Fem/femmesh/meshtools.py
+++ b/src/Mod/Fem/femmesh/meshtools.py
@@ -401,15 +401,15 @@ def get_femelement_sets_from_group_data(femmesh, fem_objects):
 
 def get_elset_short_name(obj, i):
     if hasattr(obj, "Proxy") and obj.Proxy.Type == 'Fem::Material':
-        return 'Mat' + str(i)
+        return 'M' + str(i)
     elif hasattr(obj, "Proxy") and obj.Proxy.Type == 'Fem::FemElementGeometry1D':
-        return 'Beam' + str(i)
+        return 'B' + str(i)
     elif hasattr(obj, "Proxy") and obj.Proxy.Type == 'Fem::FemElementFluid1D':
-        return 'Fluid' + str(i)
+        return 'F' + str(i)
     elif hasattr(obj, "Proxy") and obj.Proxy.Type == 'Fem::FemElementGeometry2D':
-        return 'Shell' + str(i)
+        return 'S' + str(i)
     else:
-        print('Error: ', obj.Name, ' --> ', obj.Proxy.Type)
+        FreeCAD.Console.PrintError('Error in creating short elset name for obj: ' + obj.Name + ' --> Proxy.Type: ' + str(obj.Proxy.Type) + '\n')
 
 
 def get_force_obj_vertex_nodeload_table(femmesh, frc_obj):
diff --git a/src/Mod/Fem/femsolver/calculix/writer.py b/src/Mod/Fem/femsolver/calculix/writer.py
index 9af9272dbe..8e68b00e4b 100644
--- a/src/Mod/Fem/femsolver/calculix/writer.py
+++ b/src/Mod/Fem/femsolver/calculix/writer.py
@@ -1083,7 +1083,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
     def get_ccx_elsets_single_mat_single_beam(self):
         mat_obj = self.material_objects[0]['Object']
         beamsec_obj = self.beamsection_objects[0]['Object']
-        names = [{'short': 'Mat0'}, {'short': 'Beam0'}]
+        names = [{'short': 'M0'}, {'short': 'B0'}]
         ccx_elset = {}
         ccx_elset['beamsection_obj'] = beamsec_obj
         ccx_elset['ccx_elset'] = self.ccx_eedges
@@ -1096,7 +1096,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
         mat_obj = self.material_objects[0]['Object']
         for beamsec_data in self.beamsection_objects:
             beamsec_obj = beamsec_data['Object']
-            names = [{'short': 'Mat0'}, {'short': beamsec_data['ShortName']}]
+            names = [{'short': 'M0'}, {'short': beamsec_data['ShortName']}]
             ccx_elset = {}
             ccx_elset['beamsection_obj'] = beamsec_obj
             ccx_elset['ccx_elset'] = beamsec_data['FEMElements']
@@ -1109,7 +1109,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
         beamsec_obj = self.beamsection_objects[0]['Object']
         for mat_data in self.material_objects:
             mat_obj = mat_data['Object']
-            names = [{'short': mat_data['ShortName']}, {'short': 'Beam0'}]
+            names = [{'short': mat_data['ShortName']}, {'short': 'B0'}]
             ccx_elset = {}
             ccx_elset['beamsection_obj'] = beamsec_obj
             ccx_elset['ccx_elset'] = mat_data['FEMElements']
@@ -1140,7 +1140,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
     def get_ccx_elsets_single_mat_single_fluid(self):
         mat_obj = self.material_objects[0]['Object']
         fluidsec_obj = self.fluidsection_objects[0]['Object']
-        names = [{'short': 'Mat0'}, {'short': 'Fluid0'}]
+        names = [{'short': 'M0'}, {'short': 'F0'}]
         ccx_elset = {}
         ccx_elset['fluidsection_obj'] = fluidsec_obj
         ccx_elset['ccx_elset'] = self.ccx_eedges
@@ -1153,7 +1153,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
         mat_obj = self.material_objects[0]['Object']
         for fluidsec_data in self.fluidsection_objects:
             fluidsec_obj = fluidsec_data['Object']
-            names = [{'short': 'Mat0'}, {'short': fluidsec_data['ShortName']}]
+            names = [{'short': 'M0'}, {'short': fluidsec_data['ShortName']}]
             ccx_elset = {}
             ccx_elset['fluidsection_obj'] = fluidsec_obj
             ccx_elset['ccx_elset'] = fluidsec_data['FEMElements']
@@ -1166,7 +1166,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
         fluidsec_obj = self.fluidsection_objects[0]['Object']
         for mat_data in self.material_objects:
             mat_obj = mat_data['Object']
-            names = [{'short': mat_data['ShortName']}, {'short': 'Fluid0'}]
+            names = [{'short': mat_data['ShortName']}, {'short': 'F0'}]
             ccx_elset = {}
             ccx_elset['fluidsection_obj'] = fluidsec_obj
             ccx_elset['ccx_elset'] = mat_data['FEMElements']
@@ -1197,7 +1197,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
     def get_ccx_elsets_single_mat_single_shell(self):
         mat_obj = self.material_objects[0]['Object']
         shellth_obj = self.shellthickness_objects[0]['Object']
-        names = [{'long': mat_obj.Name, 'short': 'Mat0'}, {'long': shellth_obj.Name, 'short': 'Shell0'}]
+        names = [{'long': mat_obj.Name, 'short': 'M0'}, {'long': shellth_obj.Name, 'short': 'S0'}]
         ccx_elset = {}
         ccx_elset['shellthickness_obj'] = shellth_obj
         ccx_elset['ccx_elset'] = self.ccx_efaces
@@ -1210,7 +1210,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
         mat_obj = self.material_objects[0]['Object']
         for shellth_data in self.shellthickness_objects:
             shellth_obj = shellth_data['Object']
-            names = [{'long': mat_obj.Name, 'short': 'Mat0'}, {'long': shellth_obj.Name, 'short': shellth_data['ShortName']}]
+            names = [{'long': mat_obj.Name, 'short': 'M0'}, {'long': shellth_obj.Name, 'short': shellth_data['ShortName']}]
             ccx_elset = {}
             ccx_elset['shellthickness_obj'] = shellth_obj
             ccx_elset['ccx_elset'] = shellth_data['FEMElements']
@@ -1223,7 +1223,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
         shellth_obj = self.shellthickness_objects[0]['Object']
         for mat_data in self.material_objects:
             mat_obj = mat_data['Object']
-            names = [{'long': mat_obj.Name, 'short': mat_data['ShortName']}, {'long': shellth_obj.Name, 'short': 'Shell0'}]
+            names = [{'long': mat_obj.Name, 'short': mat_data['ShortName']}, {'long': shellth_obj.Name, 'short': 'S0'}]
             ccx_elset = {}
             ccx_elset['shellthickness_obj'] = shellth_obj
             ccx_elset['ccx_elset'] = mat_data['FEMElements']
@@ -1249,10 +1249,11 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
                 ccx_elset['mat_obj_name'] = mat_obj.Name
                 ccx_elset['ccx_mat_name'] = mat_obj.Material['Name']
                 self.ccx_elsets.append(ccx_elset)
+
     # solid
     def get_ccx_elsets_single_mat_solid(self):
         mat_obj = self.material_objects[0]['Object']
-        names = [{'long': mat_obj.Name, 'short': 'Mat0'}, {'long': 'Solid', 'short': 'Solid'}]
+        names = [{'long': mat_obj.Name, 'short': 'M0'}, {'long': 'Solid', 'short': 'Solid'}]
         ccx_elset = {}
         ccx_elset['ccx_elset'] = self.ccx_evolumes
         ccx_elset['ccx_elset_name'] = get_ccx_elset_name_standard(names)
@@ -1273,6 +1274,7 @@ class FemInputWriterCcx(FemInputWriter.FemInputWriter):
 
 
 # Helpers
+# ccx elset names: M .. Material, B .. Beam, F .. Fluid, S .. Shell, TODO write comment into input file to elset ids and elset attributes
 def get_ccx_elset_name_standard(names):
     # standard max length = 80
     ccx_elset_name = ''
diff --git a/src/Mod/Fem/femtest/testfiles/ccx/Flow1D_thermomech.inp b/src/Mod/Fem/femtest/testfiles/ccx/Flow1D_thermomech.inp
index 4ce14a234c..3c0863c08d 100644
--- a/src/Mod/Fem/femtest/testfiles/ccx/Flow1D_thermomech.inp
+++ b/src/Mod/Fem/femtest/testfiles/ccx/Flow1D_thermomech.inp
@@ -58,29 +58,29 @@ Eedges
 ***********************************************************
 ** Element sets for materials and FEM element type (solid, shell, beam, fluid)
 ** written by write_element_sets_material_and_femelement_type function
-*ELSET,ELSET=Mat0Fluid0
+*ELSET,ELSET=M0F0
 1,
-*ELSET,ELSET=Mat0Fluid1
+*ELSET,ELSET=M0F1
 2,
-*ELSET,ELSET=Mat0Fluid2
+*ELSET,ELSET=M0F2
 3,
 5,
-*ELSET,ELSET=Mat0Fluid3
+*ELSET,ELSET=M0F3
 4,
-*ELSET,ELSET=Mat0Fluid4
+*ELSET,ELSET=M0F4
 6,
-*ELSET,ELSET=Mat0Fluid5
+*ELSET,ELSET=M0F5
 7,
-*ELSET,ELSET=Mat0Fluid6
+*ELSET,ELSET=M0F6
 8,
-*ELSET,ELSET=Mat0Fluid7
+*ELSET,ELSET=M0F7
 9,
 11,
-*ELSET,ELSET=Mat0Fluid8
+*ELSET,ELSET=M0F8
 10,
-*ELSET,ELSET=Mat0Fluid9
+*ELSET,ELSET=M0F9
 12,
-*ELSET,ELSET=Mat0Fluid10
+*ELSET,ELSET=M0F10
 13,
 
 ***********************************************************
@@ -101,26 +101,26 @@ Eedges
 ***********************************************************
 ** Sections
 ** written by write_femelementsets function
-*FLUID SECTION, ELSET=Mat0Fluid0, TYPE=PIPE INOUT, MATERIAL=FluidMaterial
-*FLUID SECTION, ELSET=Mat0Fluid1, TYPE=PIPE ENTRANCE, MATERIAL=FluidMaterial
+*FLUID SECTION, ELSET=M0F0, TYPE=PIPE INOUT, MATERIAL=FluidMaterial
+*FLUID SECTION, ELSET=M0F1, TYPE=PIPE ENTRANCE, MATERIAL=FluidMaterial
 31416.0,25133.0
-*FLUID SECTION, ELSET=Mat0Fluid2, TYPE=PIPE MANNING, MATERIAL=FluidMaterial
+*FLUID SECTION, ELSET=M0F2, TYPE=PIPE MANNING, MATERIAL=FluidMaterial
 31416.0,50 ,0.002
-*FLUID SECTION, ELSET=Mat0Fluid3, TYPE=PIPE BEND, MATERIAL=FluidMaterial
+*FLUID SECTION, ELSET=M0F3, TYPE=PIPE BEND, MATERIAL=FluidMaterial
 31416.0,1.5,45.0,0.4
-*FLUID SECTION, ELSET=Mat0Fluid4, TYPE=PIPE ENLARGEMENT, MATERIAL=FluidMaterial
+*FLUID SECTION, ELSET=M0F4, TYPE=PIPE ENLARGEMENT, MATERIAL=FluidMaterial
 31416.0,70686.0
-*FLUID SECTION, ELSET=Mat0Fluid5, TYPE=PIPE MANNING, MATERIAL=FluidMaterial
+*FLUID SECTION, ELSET=M0F5, TYPE=PIPE MANNING, MATERIAL=FluidMaterial
 70686.0,75 ,0.002
-*FLUID SECTION, ELSET=Mat0Fluid6, TYPE=PIPE CONTRACTION, MATERIAL=FluidMaterial
+*FLUID SECTION, ELSET=M0F6, TYPE=PIPE CONTRACTION, MATERIAL=FluidMaterial
 70686.0,17671.0
-*FLUID SECTION, ELSET=Mat0Fluid7, TYPE=PIPE MANNING, MATERIAL=FluidMaterial
+*FLUID SECTION, ELSET=M0F7, TYPE=PIPE MANNING, MATERIAL=FluidMaterial
 17671.0,37.5 ,0.002
-*FLUID SECTION, ELSET=Mat0Fluid8, TYPE=PIPE GATE VALVE, MATERIAL=FluidMaterial
+*FLUID SECTION, ELSET=M0F8, TYPE=PIPE GATE VALVE, MATERIAL=FluidMaterial
 17671.0,0.5
-*FLUID SECTION, ELSET=Mat0Fluid9, TYPE=PIPE ENLARGEMENT, MATERIAL=FluidMaterial
+*FLUID SECTION, ELSET=M0F9, TYPE=PIPE ENLARGEMENT, MATERIAL=FluidMaterial
 17671.0,1e+12
-*FLUID SECTION, ELSET=Mat0Fluid10, TYPE=PIPE INOUT, MATERIAL=FluidMaterial
+*FLUID SECTION, ELSET=M0F10, TYPE=PIPE INOUT, MATERIAL=FluidMaterial
 
 ***********************************************************
 ** At least one step is needed to run an CalculiX analysis of FreeCAD