Add output parameters for VTKHDF file generation

Author: juancamarotti

iga/validation/geometric_linear_analysis_single_patch_scordelis_lo_roof/source/ProjectParameters.json

@@ -170,7 +170,20 @@
                     "output_control_type": "time",
                     "output_frequency": 0.1
                 }
+            },
+            {
+                "kratos_module": "IgaApplication",
+                "python_module": "iga_vtk_output_process",
+                "Parameters": {
+                    "brep_surface_ids": [2],
+                    "output_file_name": "scordelis_roof_vtk_output.vtkhdf",
+                    "model_part_name": "IgaModelPart",
+                    "nodal_solution_step_data_variables" : ["DISPLACEMENT"],
+                    "output_refinement"    : [5, 5],
+                    "output_control_type": "step",
+                    "output_frequency": 1.0
+                }
             }
         ]
     }
-}
+}