Implement dpa userobject; inherit from NeutronDamageInterface to allo…

…w different damage functions to be plugged in (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 DPAUserObjectBase;
+
+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 DPAUserObjectBase & _damage_object;
+};
+
+#endif

include/userobjects/DPAUserObjectBase.h

@@ -0,0 +1,101 @@
+/**********************************************************************/
+/*                     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 "GeneralUserObject.h"
+
+class DPAUserObjectBase;
+
+template <>
+InputParameters validParams<DPAUserObjectBase>();
+
+class DPAUserObjectBase : public GeneralUserObject
+{
+public:
+  DPAUserObjectBase(const InputParameters & parameters);
+
+  ///@{ get the
+  Real getDPA() const { return _dpa; }
+  Real getPartialDPA(unsigned int Z, Real A) const;
+  ///@}
+
+  void initialize() override {}
+
+protected:
+  void prepare();
+  bool changed() const;
+  std::vector<unsigned int> getAtomicNumbers() const;
+  std::vector<Real> getMassNumbers() const;
+  std::vector<Real> getNumberFractions() const;
+  Real getMaxEnergy() const;
+
+  /// accumulated dpa
+  void accumulateDamage();
+
+  /// a helper function that sets _ns and checks consistency of A, Z, N
+  void initAZNHelper();
+
+  /// a helper function that computes the neutron damage efficiency
+  Real
+  neutronDamageEfficiency(unsigned int i, unsigned int j, unsigned int g, unsigned int x) const;
+
+  /// a virtual function computing the integral damage function
+  virtual Real integralDamageFunction(Real T, unsigned int i, unsigned int j) const = 0;
+
+  /// callback that is executed when composition changed and damage functions must be recomputed
+  virtual void onCompositionChanged() = 0;
+
+  /// a helper that assigns a unique string to a Z, A pair
+  std::string zaidHelper(unsigned int Z, Real A) const;
+
+  /// tolerance for recomputing the displacement function
+  Real _tol = 1e-10;
+
+  /// the computed dose rates
+  Real _dpa = 0;
+
+  /// the computed dose rate by species; this is a map because presence of (Z,A) can change dynamically
+  std::map<std::string, Real> _partial_dpa;
+
+  /// is damage accumulated during a transient or computed for steady state
+  bool _is_transient_irradiation;
+
+  /// irradiation_time used when dpa is estimated from steady-state calculations
+  Real _irradiation_time;
+
+  /// the neutron reaction types considered for computing dpa
+  MultiMooseEnum _neutron_reaction_types;
+
+  /// number of reaction types creating radiation damage
+  unsigned int _nr;
+
+  ///@{ data used for computing dpa value
+  std::vector<Real> _atomic_numbers;
+  std::vector<Real> _mass_numbers;
+  std::vector<Real> _number_densities;
+  std::vector<Real> _energy_group_boundaries;
+  std::vector<Real> _scalar_flux;
+  std::vector<std::vector<std::vector<Real>>> _cross_sections;
+  ///@}
+
+  /// Q values for each reaction type and isotope
+  std::vector<std::vector<Real>> _q_values;
+
+  ///@{ the "old" versions of the data; used for determining if disp function update is required
+  std::vector<Real> _atomic_numbers_old;
+  std::vector<Real> _mass_numbers_old;
+  std::vector<Real> _number_densities_old;
+  ///@}
+
+  /// number of neutron energy groups
+  unsigned int _ng;
+};
+
+#endif // GSL_ENABLED

include/userobjects/FunctionDPAUserObject.h

@@ -0,0 +1,44 @@
+/**********************************************************************/
+/*                     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 "DPAUserObjectBase.h"
+#include "LinearInterpolation.h"
+
+class FunctionDPAUserObject;
+
+template <>
+InputParameters validParams<FunctionDPAUserObject>();
+
+class FunctionDPAUserObject : public DPAUserObjectBase
+{
+public:
+  FunctionDPAUserObject(const InputParameters & parameters);
+  void finalize() override;
+  void execute() override;
+  void initialSetup() override;
+  void initialize() override {}
+
+protected:
+  virtual Real integralDamageFunction(Real T, unsigned int i, unsigned int j) const override;
+  virtual void onCompositionChanged() override;
+
+  /// the maximum energy step size used for interpolation and integration of integral damage function
+  Real _max_delta_E;
+
+  /// the damage functions are provided by MOOSE functions
+  std::vector<std::vector<const Function *>> _damage_functions;
+
+  /// stores the integral damage functions computed from input as LinearInterpolation objects
+  std::vector<std::vector<LinearInterpolation>> _integral_damage_functions;
+};
+
+#endif

include/userobjects/ParkinCoulterDPAUserObject.h

@@ -0,0 +1,38 @@
+/**********************************************************************/
+/*                     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 "DPAUserObjectBase.h"
+#include "ParkinCoulterInterface.h"
+
+class ParkinCoulterDPAUserObject;
+
+template <>
+InputParameters validParams<ParkinCoulterDPAUserObject>();
+
+class ParkinCoulterDPAUserObject : public DPAUserObjectBase, public ParkinCoulterInterface
+{
+public:
+  ParkinCoulterDPAUserObject(const InputParameters & parameters);
+  void finalize() override;
+  void execute() override;
+  void initialSetup() override;
+
+protected:
+  virtual void initDamageFunctions() override;
+  virtual std::vector<unsigned int> atomicNumbers() const override;
+  virtual std::vector<Real> massNumbers() const override;
+  virtual std::vector<Real> numberFractions() const override;
+  virtual Real maxEnergy() const override { return getMaxEnergy(); }
+  virtual Real integralDamageFunction(Real T, unsigned int i, unsigned int j) const override;
+  virtual void onCompositionChanged() override;
+};
+
+#endif // GSL_ENABLED

include/userobjects/ParkinCoulterBase.h → include/userobjects/ParkinCoulterInterface.h

@@ -16,19 +16,19 @@
 // mytrim includes
 #include <mytrim/element.h>
 
-class ParkinCoulterBase;
+class ParkinCoulterInterface;
 class PolyatomicDisplacementFunction;
 class PolyatomicDamageEnergyFunction;
 class PolyatomicDisplacementDerivativeFunction;
 
 template <>
-InputParameters validParams<ParkinCoulterBase>();
+InputParameters validParams<ParkinCoulterInterface>();
 
-class ParkinCoulterBase : public GeneralUserObject
+class ParkinCoulterInterface
 {
 public:
-  ParkinCoulterBase(const InputParameters & parameters);
-  void initialize() override {}
+  ParkinCoulterInterface(const MooseObject * moose_object);
+  static InputParameters validParams();
 
 protected:
   /// recomputes the Polyatomic damage functions
@@ -50,6 +50,12 @@ class ParkinCoulterBase : public GeneralUserObject
   /// computes the polymat object that is used to create PolyatomicDisplacementFunctions
   std::vector<MyTRIM_NS::Element> polyMat() const;
 
+  /// the MooseObject that inherits from this interface
+  const MooseObject * _moose_obj;
+
+  /// convenience reference to InputParameters from MooseObject
+  const InputParameters & _pars;
+
   std::vector<std::vector<Real>> _Ecap;
 
   std::unique_ptr<PolyatomicDisplacementFunctionBase> _padf;

include/userobjects/PolyatomicRecoil.h

@@ -9,18 +9,18 @@
 
 #pragma once
 
-#include "ParkinCoulterBase.h"
+#include "GeneralUserObject.h"
+#include "ParkinCoulterInterface.h"
 
-class PolyatomicRecoil;
-
-class PolyatomicRecoil : public ParkinCoulterBase
+class PolyatomicRecoil : public GeneralUserObject, public ParkinCoulterInterface
 {
 public:
   static InputParameters validParams();
 
   PolyatomicRecoil(const InputParameters & parameters);
   void finalize() override;
   void execute() override;
+  void initialize() override {}
 
 protected:
   virtual void initDamageFunctions() override;

src/postprocessors/DPAPostprocessor.C

@@ -0,0 +1,37 @@
+/**********************************************************************/
+/*                     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 "DPAUserObjectBase.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 value of the dpa from a DPAUserObjectBase.");
+  return params;
+}
+
+DPAPostprocessor::DPAPostprocessor(const InputParameters & params)
+  : GeneralPostprocessor(params), _damage_object(getUserObject<DPAUserObjectBase>("dpa_object"))
+{
+}
+
+Real
+DPAPostprocessor::getValue()
+{
+  return _damage_object.getDPA();
+}
+
+#endif