LoopMethods.cpp

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/** \file LoopMethods.cpp
\brief methods for managing loops
*/
 
 
#include <MoFEM.hpp>
 
namespace MoFEM {
 
constexpr PetscData::Switches PetscData::CtxSetNone;
constexpr PetscData::Switches PetscData::CtxSetF;
constexpr PetscData::Switches PetscData::CtxSetA;
constexpr PetscData::Switches PetscData::CtxSetB;
constexpr PetscData::Switches PetscData::CtxSetX;
constexpr PetscData::Switches PetscData::CtxSetX_T;
constexpr PetscData::Switches PetscData::CtxSetX_TT;
constexpr PetscData::Switches PetscData::CtxSetTime;
 
// PetscData
MoFEMErrorCode
PetscData::query_interface(boost::typeindex::type_index type_index,
                           UnknownInterface **iface) const {
  *iface = const_cast<PetscData *>(this);
  return 0;
}
 
PetscData::PetscData()
    : data_ctx(PetscData::CtxSetNone), f(PETSC_NULLPTR), A(PETSC_NULLPTR),
      B(PETSC_NULLPTR), x(PETSC_NULLPTR), dx(PETSC_NULLPTR), x_t(PETSC_NULLPTR),
      x_tt(PETSC_NULLPTR) {}
 
MoFEMErrorCode PetscData::copyPetscData(const PetscData &petsc_data) {
  this->data_ctx = petsc_data.data_ctx;
  this->f = petsc_data.f;
  this->A = petsc_data.A;
  this->B = petsc_data.B;
  this->x = petsc_data.x;
  this->dx = petsc_data.dx;
  this->x_t = petsc_data.x_t;
  this->x_tt = petsc_data.x_tt;
  return 0;
}
 
// KSP
MoFEMErrorCode
KspMethod::query_interface(boost::typeindex::type_index type_index,
                           UnknownInterface **iface) const {
  *iface = const_cast<KspMethod *>(this);
  return 0;
};
 
KspMethod::KspMethod()
    : ksp_ctx(CTX_KSPNONE), ksp(PETSC_NULLPTR), ksp_f(PetscData::f),
      ksp_A(PetscData::A), ksp_B(PetscData::B) {}
 
MoFEMErrorCode KspMethod::copyKsp(const KspMethod &ksp) {
  MoFEMFunctionBeginHot;
  CHKERR copyPetscData(ksp);
  this->ksp_ctx = ksp.ksp_ctx;
  this->ksp = ksp.ksp;
   MoFEMFunctionReturnHot(0);
}
 
// SNES
MoFEMErrorCode
SnesMethod::query_interface(boost::typeindex::type_index type_index,
                            UnknownInterface **iface) const {
  *iface = const_cast<SnesMethod *>(this);
  return 0;
}
 
SnesMethod::SnesMethod()
    : snes_ctx(CTX_SNESNONE), snes_x(PetscData::x), snes_dx(PetscData::dx),
      snes_f(PetscData::f), snes_A(PetscData::A), snes_B(PetscData::B) {}
 
MoFEMErrorCode SnesMethod::copySnes(const SnesMethod &snes) {
  MoFEMFunctionBeginHot;
  CHKERR copyPetscData(snes);
  this->snes_ctx = snes.snes_ctx;
  this->snes = snes.snes;
  MoFEMFunctionReturnHot(0);
}
 
// TS
MoFEMErrorCode
TSMethod::query_interface(boost::typeindex::type_index type_index,
                          UnknownInterface **iface) const {
  *iface = const_cast<TSMethod *>(this);
  return 0;
}
 
TSMethod::TSMethod()
    : ts_ctx(CTX_TSNONE), ts_step(-1), ts_a(0), ts_t(0), ts_u(PetscData::x),
      ts_u_t(PetscData::x_t), ts_u_tt(PetscData::x_tt), ts_F(PetscData::f),
      ts_A(PetscData::A), ts_B(PetscData::B) {}
 
MoFEMErrorCode TSMethod::copyTs(const TSMethod &ts) {
  MoFEMFunctionBeginHot;
  CHKERR copyPetscData(ts);
  this->ts_ctx = ts.ts_ctx;
  this->ts = ts.ts;
  this->ts_step = ts.ts_step;
  this->ts_a = ts.ts_a;
  this->ts_t = ts.ts_t;
  this->ts_dt = ts.ts_dt;
  MoFEMFunctionReturnHot(0);
}
 
// BasicMethod
BasicMethod::BasicMethod()
    : PetscData(), KspMethod(), SnesMethod(), TSMethod(), nInTheLoop(0),
      loopSize(0), rAnk(-1), sIze(-1), refinedEntitiesPtr(nullptr),
      refinedFiniteElementsPtr(nullptr), problemPtr(nullptr),
      fieldsPtr(nullptr), entitiesPtr(nullptr), dofsPtr(nullptr),
      finiteElementsPtr(nullptr), finiteElementsEntitiesPtr(nullptr),
      adjacenciesPtr(nullptr) {}
 
MoFEMErrorCode BasicMethod::copyBasicMethod(const BasicMethod &basic) {
  MoFEMFunctionBeginHot;
 
  this->nInTheLoop = basic.nInTheLoop;
  this->loopSize = basic.loopSize;
  this->rAnk = basic.rAnk;
  this->sIze = basic.sIze;
  this->refinedEntitiesPtr = basic.refinedEntitiesPtr;
  this->refinedFiniteElementsPtr = basic.refinedFiniteElementsPtr;
  this->problemPtr = basic.problemPtr;
  this->fieldsPtr = basic.fieldsPtr;
  this->entitiesPtr = basic.entitiesPtr;
  this->dofsPtr = basic.dofsPtr;
  this->finiteElementsPtr = basic.finiteElementsPtr;
  this->finiteElementsEntitiesPtr = basic.finiteElementsEntitiesPtr;
  this->adjacenciesPtr = basic.adjacenciesPtr;
  this->cacheWeakPtr = basic.cacheWeakPtr;
 
  MoFEMFunctionReturnHot(0);
}
 
MoFEMErrorCode BasicMethod::preProcess() {
  MoFEMFunctionBeginHot;
  if (preProcessHook) {
    ierr = preProcessHook();
    CHKERRG(ierr);
  } else {
    SETERRQ(PETSC_COMM_SELF, MOFEM_OPERATION_UNSUCCESSFUL,
            "should be implemented by user in derived class (preProcess)");
  }
  MoFEMFunctionReturnHot(0);
}
MoFEMErrorCode BasicMethod::postProcess() {
  MoFEMFunctionBeginHot;
  if (postProcessHook) {
    ierr = postProcessHook();
    CHKERRG(ierr);
  } else {
    SETERRQ(PETSC_COMM_SELF, MOFEM_OPERATION_UNSUCCESSFUL,
            "should be implemented by user in derived class (postProcess)");
  }
  MoFEMFunctionReturnHot(0);
}
MoFEMErrorCode BasicMethod::operator()() {
  MoFEMFunctionBeginHot;
  if (operatorHook) {
    ierr = operatorHook();
    CHKERRG(ierr);
  } else {
    SETERRQ(PETSC_COMM_SELF, MOFEM_OPERATION_UNSUCCESSFUL,
            "should be implemented by user in derived class (operator)");
  }
  MoFEMFunctionReturnHot(0);
}
 
MoFEMErrorCode FEMethod::getNodeData(const std::string field_name,
                                     VectorDouble &data,
                                     const bool reset_dofs) {
  MoFEMFunctionBegin;
 
  // TODO: [CORE-60] Fix implementation not to use DOFs
 
  auto get_nodes_field_data =
      [&](boost::shared_ptr<FEDofEntity_multiIndex> &&dofs,
          VectorDouble &nodes_data) {
        MoFEMFunctionBegin;
 
        auto bit_number = getFieldBitNumber(field_name);
        auto &dofs_by_uid = dofs->get<Unique_mi_tag>();
        auto dit =
            dofs_by_uid.lower_bound(FieldEntity::getLocalUniqueIdCalculate(
                bit_number, get_id_for_min_type<MBVERTEX>()));
        auto hi_dit =
            dofs_by_uid.upper_bound(FieldEntity::getLocalUniqueIdCalculate(
                bit_number, get_id_for_max_type<MBVERTEX>()));
 
        if (dit != hi_dit) {
          auto &first_dof = **dit;
          const int num_nodes = getNumberOfNodes();
          const int nb_dof_idx = first_dof.getNbOfCoeffs();
          const int max_nb_dofs = nb_dof_idx * num_nodes;
          nodes_data.resize(max_nb_dofs, false);
          nodes_data.clear();
 
          for (; dit != hi_dit;) {
            const auto &dof_ptr = *dit;
            const auto &dof = *dof_ptr;
            const auto &sn = *dof.getSideNumberPtr();
            const int side_number = sn.side_number;
 
            int pos = side_number * nb_dof_idx;
            auto ent_filed_data_vec = dof.getEntFieldData();
            for (int ii = 0; ii != nb_dof_idx; ++ii) {
              nodes_data[pos] = ent_filed_data_vec[ii];
              ++pos;
              ++dit;
            }
          }
 
        } else if (reset_dofs) {
          nodes_data.resize(0, false);
        }
 
        MoFEMFunctionReturn(0);
      };
 
  return get_nodes_field_data(getDataDofsPtr(), data);
 
  MoFEMFunctionReturn(0);
}
 
} // namespace MoFEM