FEM: fix thermomech unit test analysis

src/Mod/Fem/TestFem.py

@@ -338,6 +338,10 @@ def create_new_analysis(self):
 
     def create_new_solver(self):
         self.solver_object = FemSolverCalculix.makeFemSolverCalculix('CalculiX')
+        self.solver_object.GeometricalNonlinearity = 'linear'
+        self.solver_object.SteadyState = True
+        self.solver_object.MatrixSolverType = 'default'
+        self.solver_object.IterationsControlParameterTimeUse = True
         self.active_doc.recompute()
 
     def create_new_mesh(self):

src/Mod/Fem/test_files/ccx/spine_thermomech.inp

@@ -126,18 +126,17 @@ Nall,300.0
 *SOLID SECTION, ELSET=MechanicalMaterialSolid, MATERIAL=MechanicalMaterial
 
 ***********************************************************
-** One step is needed to calculate the mechanical analysis of FreeCAD
-** loads are applied quasi-static, means without involving the time dimension
+** One step is needed to run the thermomechanical analysis of FreeCAD
 ** written by write_step_begin_thermomech function
-*STEP,INC=2000
-*CONTROLS,PARAMETERS=TIME INCREMENTATION
-4,8,9,200,10,400,,200,
+*STEP, INC=2000
+*CONTROLS, PARAMETERS=TIME INCREMENTATION
+4,8,9,200,10,400,,200,,
 0.25,0.5,0.75,0.85,,,1.5,
 
 ***********************************************************
 ** Coupled temperature displacement analysis
 ** written by write_analysis_thermomech function
-*COUPLED TEMPERATURE-DISPLACEMENT,STEADY STATE
+*COUPLED TEMPERATURE-DISPLACEMENT, STEADY STATE
 1.0,1.0
 
 ***********************************************************