Update structural_mechanics/validation/beam_nonlinear_cantilever3D_bathe/source/MainKratos.py

Co-authored-by: Philipp Bucher <philipp.bucher@tum.de>

Author: clazaro

structural_mechanics/validation/beam_nonlinear_cantilever3D_bathe/source/MainKratos.py

@@ -27,6 +27,7 @@ def __init__(self, model, project_parameters, flush_frequency=10.0):
     def Initialize(self):
         super().Initialize()
         sys.stdout.flush()
+        KratosMultiphysics.Logger.Flush()
 
     def FinalizeSolutionStep(self):
         super().FinalizeSolutionStep()