Add DPAPostprocessor (idaholab#410)

include/postprocessors/DPAPostprocessor.h

@@ -0,0 +1,34 @@
+/**********************************************************************/
+/*                     DO NOT MODIFY THIS HEADER                      */
+/* MAGPIE - Mesoscale Atomistic Glue Program for Integrated Execution */
+/*                                                                    */
+/*            Copyright 2017 Battelle Energy Alliance, LLC            */
+/*                        ALL RIGHTS RESERVED                         */
+/**********************************************************************/
+
+#ifdef GSL_ENABLED
+
+#pragma once
+
+#include "GeneralPostprocessor.h"
+
+// forward declarations
+class DPAPostprocessor;
+class NeutronDamageInterface;
+
+template <>
+InputParameters validParams<DPAPostprocessor>();
+
+class DPAPostprocessor : public GeneralPostprocessor
+{
+public:
+  DPAPostprocessor(const InputParameters & parameters);
+  virtual void execute() override {}
+  virtual void initialize() override {}
+  virtual Real getValue() override;
+
+protected:
+  const NeutronDamageInterface * _damage_object;
+};
+
+#endif

src/postprocessors/DPAPostprocessor.C

@@ -0,0 +1,42 @@
+/**********************************************************************/
+/*                     DO NOT MODIFY THIS HEADER                      */
+/* MAGPIE - Mesoscale Atomistic Glue Program for Integrated Execution */
+/*                                                                    */
+/*            Copyright 2017 Battelle Energy Alliance, LLC            */
+/*                        ALL RIGHTS RESERVED                         */
+/**********************************************************************/
+
+#ifdef GSL_ENABLED
+
+#include "DPAPostprocessor.h"
+#include "NeutronDamageInterface.h"
+
+registerMooseObject("MagpieApp", DPAPostprocessor);
+
+template <>
+InputParameters
+validParams<DPAPostprocessor>()
+{
+  InputParameters params = validParams<GeneralPostprocessor>();
+  params.addRequiredParam<UserObjectName>(
+      "dpa_object", "The neutronics damage object.");
+  params.addClassDescription("Retrieves the dpa from a neutronics damage object. The neutronics "
+                             "damage object must inherit from NeutronDamageInterface.");
+  return params;
+}
+
+DPAPostprocessor::DPAPostprocessor(const InputParameters & params) : GeneralPostprocessor(params)
+{
+  const UserObject * uo = &getUserObject<UserObject>("dpa_object");
+  _damage_object = dynamic_cast<const NeutronDamageInterface *>(uo);
+  if (!_damage_object)
+    paramError("dpa_object", "The provided UserObject does not inherit from NeutronDamageInterface.");
+}
+
+Real
+DPAPostprocessor::getValue()
+{
+  return _damage_object->getDPA();
+}
+
+#endif