#820 Add new vector that stores result of first solve + vector previously computed.

Sources/ModelInstances/UnderDevelopment/Poromechanics/ImplicitStepFluid/InnerLoop/VariationalFormulation.hpp

@@ -555,6 +555,12 @@ namespace HappyHeart
                     //! Non constant accessor to the load state correction (see Freefem script).
                     GlobalVector& GetNonCstDirichletLoadStateCorrection() noexcept;
                     
+                    //! Constant accessor to the deltaMixtVariables (	odo #820 Rename and comment!).
+                    const GlobalVector& GetDeltaMixtVariables() const noexcept;
+                    
+                    //! Non constant accessor to the deltaMixtVariables (	odo #820 Rename and comment!).
+                    GlobalVector& GetNonCstDeltaMixtVariables() noexcept;
+                    
                     ///@}
                     
                     
@@ -945,6 +951,9 @@ namespace HappyHeart
                     
                     //! Load state correction (see Freefem script).
                     GlobalVector::unique_ptr dirichlet_load_state_correction_ = nullptr;
+                    
+                    //! deltaMixtVariables (\todo #820 Rename and comment!)
+                    GlobalVector::unique_ptr delta_mixt_variables_ = nullptr;
                 };
                 
                 

Sources/ModelInstances/UnderDevelopment/Poromechanics/ImplicitStepFluid/InnerLoop/VariationalFormulation.hxx

@@ -272,6 +272,30 @@ namespace HappyHeart
                                                                           __FILE__, __LINE__,
                                                                           PETSC_VIEWER_ASCII_MATLAB);
                     }
+                    
+                    decltype(auto) delta_mixt_variables = GetNonCstDeltaMixtVariables();
+                    // \todo #820 Swap!
+                    delta_mixt_variables.Copy(parent::GetSystemSolution(numbering_subset),
+                                              __FILE__, __LINE__);
+                    Wrappers::Petsc::AXPY(1.,
+                                          robin_vector,
+                                          delta_mixt_variables,
+                                          __FILE__, __LINE__);
+                    
+                    {
+                        const auto filename = parent::GetOutputDirectory(numbering_subset)
+                        + "/"
+                        + DifferentialPreffix(differential::yes)
+                        + "deltaMixtVariables_with_dirichletFunctionMixtVariables_" + GetIterationTag() + ".m";
+                        
+                        delta_mixt_variables.View(parent::MpiHappyHeart(),
+                                                                         filename,
+                                                                         __FILE__, __LINE__,
+                                                                         PETSC_VIEWER_ASCII_MATLAB);
+
+                        
+                        
+                    }
 
 
                     

Sources/ModelInstances/UnderDevelopment/Poromechanics/ImplicitStepFluid/InnerLoop/VariationalFormulationAccessors.hxx

@@ -680,6 +680,22 @@ namespace HappyHeart
                     return const_cast<GlobalVector&>(GetDirichletLoadStateCorrection());
                 }
                 
+                
+                template<class HyperelasticLawT>
+                inline const GlobalVector& VariationalFormulation<HyperelasticLawT>::GetDeltaMixtVariables() const noexcept
+                {
+                    assert(!(!delta_mixt_variables_));
+                    return *delta_mixt_variables_;
+                }
+                
+                
+                template<class HyperelasticLawT>
+                inline GlobalVector& VariationalFormulation<HyperelasticLawT>::GetNonCstDeltaMixtVariables() noexcept
+                {
+                    return const_cast<GlobalVector&>(GetDeltaMixtVariables());
+                }
+
+                
              
             } // namespace InnerLoopNS
                 

Sources/ModelInstances/UnderDevelopment/Poromechanics/ImplicitStepFluid/InnerLoop/VariationalFormulationInit.hxx

@@ -69,6 +69,7 @@ namespace HappyHeart
                     solid_differential_velocity_ = std::make_unique<GlobalVector>(parent::GetSystemSolution(numbering_subset));
                     non_homogeneous_robin_vector_ = std::make_unique<GlobalVector>(parent::GetSystemSolution(numbering_subset));
                     dirichlet_load_state_correction_ = std::make_unique<GlobalVector>(parent::GetSystemSolution(numbering_subset));
+                    delta_mixt_variables_ = std::make_unique<GlobalVector>(parent::GetSystemSolution(numbering_subset));
                     
                     solid_differential_velocity_on_robin_interface_ =
                         std::make_unique<GlobalVector>(god_of_dof.GetNumberingSubset(EnumUnderlyingType(NumberingSubsetIndex::fluid_velocity_on_robin_interface)));