DirichletDisplacementBc Struct Reference

Set Dirichlet boundary conditions on displacements. More...

#include "users_modules/basic_finite_elements/src/DirichletBC.hpp"

Inheritance diagram for DirichletDisplacementBc:

Collaboration diagram for DirichletDisplacementBc:

Public Member Functions
	DirichletDisplacementBc (MoFEM::Interface &m_field, const std::string &field_name, Mat Aij, Vec X, Vec F, string blockset_name="DISPLACEMENT")
	DirichletDisplacementBc (MoFEM::Interface &m_field, const std::string &field_name, string blockset_name="DISPLACEMENT")
virtual MoFEMErrorCode	iNitialize ()
MoFEMErrorCode	preProcess ()
	Pre-processing function executed at loop initialization.
MoFEMErrorCode	operator() ()
	Main operator function executed for each loop iteration.
MoFEMErrorCode	postProcess ()
	Post-processing function executed at loop completion.
MoFEMErrorCode	getBcDataFromSetsAndBlocks (std::vector< DataFromBc > &bc_data)
	Get the Bc Data From Sets And Blocks object Use DISPLACEMENT blockset name (default) with 6 atributes: 1,2,3 are values of displacements x,y,z 4,5,6 are flags for x,y,z (0 or 1)
MoFEMErrorCode	getRotationBcFromBlock (std::vector< DataFromBc > &bc_data)
	Get the Rotation Bc From Block object Use ROTATION blockset name with 7 atributes: 1,2,3 are x,y,z coords of the center of rotation 4,5,6 are are angular velocities in x,y,z.
MoFEMErrorCode	calculateRotationForDof (VectorDouble3 &coords, DataFromBc &bc_data)
	Calculate displacements from rotation for particular dof.
MoFEMErrorCode	calculateRotationForDof (EntityHandle ent, DataFromBc &bc_data)
MoFEMErrorCode	applyScaleBcData (DataFromBc &bc_data)
Public Member Functions inherited from MoFEM::FEMethod
MoFEMErrorCode	query_interface (boost::typeindex::type_index type_index, UnknownInterface **iface) const
	Query interface for type casting.
	FEMethod ()=default
	Default constructor.
auto	getFEName () const
	Get the name of the current finite element.
auto	getDataDofsPtr () const
	Get pointer to DOF data for the current finite element.
auto	getDataVectorDofsPtr () const
	Get pointer to vector DOF data for the current finite element.
const FieldEntity_vector_view &	getDataFieldEnts () const
	Get reference to data field entities for the current finite element.
boost::shared_ptr< FieldEntity_vector_view > &	getDataFieldEntsPtr () const
	Get shared pointer to data field entities for the current finite element.
auto &	getRowFieldEnts () const
	Get reference to row field entities for the current finite element.
auto &	getRowFieldEntsPtr () const
	Get shared pointer to row field entities for the current finite element.
auto &	getColFieldEnts () const
	Get reference to column field entities for the current finite element.
auto &	getColFieldEntsPtr () const
	Get shared pointer to column field entities for the current finite element.
auto	getRowDofsPtr () const
	Get pointer to row DOFs for the current finite element.
auto	getColDofsPtr () const
	Get pointer to column DOFs for the current finite element.
auto	getNumberOfNodes () const
	Get the number of nodes in the current finite element.
EntityHandle	getFEEntityHandle () const
	Get the entity handle of the current finite element.
MoFEMErrorCode	getNodeData (const std::string field_name, VectorDouble &data, const bool reset_dofs=true)
	Get nodal data for a specific field.
Public Member Functions inherited from MoFEM::BasicMethod
	BasicMethod ()
	Default constructor.
virtual	~BasicMethod ()=default
	Virtual destructor.
int	getNinTheLoop () const
	Get current loop iteration index.
int	getLoopSize () const
	Get total loop size.
auto	getLoHiFERank () const
	Get processor rank range for finite element iteration.
auto	getLoFERank () const
	Get lower processor rank for finite element iteration.
auto	getHiFERank () const
	Get upper processor rank for finite element iteration.
unsigned int	getFieldBitNumber (std::string field_name) const
	Get bit number for a specific field by name.
MoFEMErrorCode	copyBasicMethod (const BasicMethod &basic)
	Copy data from another BasicMethod instance.
boost::weak_ptr< CacheTuple >	getCacheWeakPtr () const
	Get the cache weak pointer object.
Public Member Functions inherited from MoFEM::KspMethod
MoFEMErrorCode	query_interface (boost::typeindex::type_index type_index, UnknownInterface **iface) const
	Query interface for type casting.
	KspMethod ()
	Default constructor.
virtual	~KspMethod ()=default
	Virtual destructor.
MoFEMErrorCode	copyKsp (const KspMethod &ksp)
	Copy data from another KSP method.
Public Member Functions inherited from MoFEM::PetscData
	PetscData ()
	Default constructor.
virtual	~PetscData ()=default
	Virtual destructor.
MoFEMErrorCode	copyPetscData (const PetscData &petsc_data)
	Copy PETSc data from another instance.
Public Member Functions inherited from MoFEM::UnknownInterface
template<class IFACE >
MoFEMErrorCode	registerInterface (bool error_if_registration_failed=true)
	Register interface.
template<class IFACE >
MoFEMErrorCode	getInterface (IFACE *&iface) const
	Get interface reference to pointer of interface.
template<class IFACE >
MoFEMErrorCode	getInterface (IFACE **const iface) const
	Get interface pointer to pointer of interface.
template<class IFACE , typename boost::enable_if< boost::is_pointer< IFACE >, int >::type = 0>
IFACE	getInterface () const
	Get interface pointer to pointer of interface.
template<class IFACE , typename boost::enable_if< boost::is_reference< IFACE >, int >::type = 0>
IFACE	getInterface () const
	Get reference to interface.
template<class IFACE >
IFACE *	getInterface () const
	Function returning pointer to interface.
virtual	~UnknownInterface ()=default
Public Member Functions inherited from MoFEM::SnesMethod
MoFEMErrorCode	query_interface (boost::typeindex::type_index type_index, UnknownInterface **iface) const
	Query interface for type casting.
	SnesMethod ()
	Default constructor.
virtual	~SnesMethod ()=default
	Virtual destructor.
MoFEMErrorCode	copySnes (const SnesMethod &snes)
	Copy SNES data from another instance.
Public Member Functions inherited from MoFEM::TSMethod
MoFEMErrorCode	query_interface (boost::typeindex::type_index type_index, UnknownInterface **iface) const
	Query interface for type casting.
	TSMethod ()
	Default constructor.
virtual	~TSMethod ()=default
	Virtual destructor.
MoFEMErrorCode	copyTs (const TSMethod &ts)
	Copy TS solver data from another instance.
Public Member Functions inherited from MoFEM::TaoMethod
MoFEMErrorCode	query_interface (boost::typeindex::type_index type_index, UnknownInterface **iface) const
	Query interface for type casting.
	TaoMethod ()
	Default constructor.
virtual	~TaoMethod ()=default
	Virtual destructor.
MoFEMErrorCode	copyTao (const TaoMethod &tao)
	Copy TAO data from another instance.

Public Attributes
MoFEM::Interface &	mField
const std::string	fieldName
	field name to set Dirichlet BC
double	dIag
	diagonal value set on zeroed column and rows
std::map< DofIdx, FieldData >	mapZeroRows
std::vector< int >	dofsIndices
std::vector< double >	dofsValues
std::vector< double >	dofsXValues
const std::string	blocksetName
boost::ptr_vector< MethodForForceScaling >	methodsOp
Public Attributes inherited from MoFEM::FEMethod
std::string	feName
	Name of the finite element being processed.
boost::shared_ptr< const NumeredEntFiniteElement >	numeredEntFiniteElementPtr
	Shared pointer to finite element database structure.
boost::function< bool(FEMethod *fe_method_ptr)>	exeTestHook
	Test function to determine if element should be skipped.
Public Attributes inherited from MoFEM::BasicMethod
int	nInTheLoop
	Current index of processed method in the loop.
int	loopSize
	Total number of methods to process in the loop.
std::pair< int, int >	loHiFERank
	Processor rank range for distributed finite element iteration.
int	rAnk
	Current processor rank in MPI communicator.
int	sIze
	Total number of processors in MPI communicator.
const RefEntity_multiIndex *	refinedEntitiesPtr
	Pointer to container of refined MoFEM DOF entities.
const RefElement_multiIndex *	refinedFiniteElementsPtr
	Pointer to container of refined finite element entities.
const Problem *	problemPtr
	Raw pointer to current MoFEM problem instance.
const Field_multiIndex *	fieldsPtr
	Raw pointer to fields multi-index container.
const FieldEntity_multiIndex *	entitiesPtr
	Raw pointer to container of field entities.
const DofEntity_multiIndex *	dofsPtr
	Raw pointer to container of degree of freedom entities.
const FiniteElement_multiIndex *	finiteElementsPtr
	Raw pointer to container of finite elements.
const EntFiniteElement_multiIndex *	finiteElementsEntitiesPtr
	Raw pointer to container of finite element entities.
const FieldEntityEntFiniteElementAdjacencyMap_multiIndex *	adjacenciesPtr
	Raw pointer to container of adjacencies between DOFs and finite elements.
boost::function< MoFEMErrorCode()>	preProcessHook
	Hook function for pre-processing operations.
boost::function< MoFEMErrorCode()>	postProcessHook
	Hook function for post-processing operations.
boost::function< MoFEMErrorCode()>	operatorHook
	Hook function for main operator execution.
boost::movelib::unique_ptr< bool >	vecAssembleSwitch
	Switch for vector assembly operations.
boost::movelib::unique_ptr< bool >	matAssembleSwitch
	Switch for matrix assembly operations.
boost::weak_ptr< CacheTuple >	cacheWeakPtr
	Weak pointer to cached entity data.
Public Attributes inherited from MoFEM::KspMethod
KSPContext	ksp_ctx
	Current KSP computation context.
KSP	ksp
	PETSc KSP linear solver object.
Vec &	ksp_f
	Reference to residual vector in KSP context.
Mat &	ksp_A
	Reference to system matrix in KSP context.
Mat &	ksp_B
	Reference to preconditioner matrix in KSP context.
Public Attributes inherited from MoFEM::PetscData
Switches	data_ctx
	Current data context switches.
Vec	f
	PETSc residual vector.
Mat	A
	PETSc Jacobian matrix.
Mat	B
	PETSc preconditioner matrix.
Vec	x
	PETSc solution vector.
Vec	dx
	PETSc solution increment vector.
Vec	x_t
	PETSc first time derivative vector.
Vec	x_tt
	PETSc second time derivative vector.
Public Attributes inherited from MoFEM::SnesMethod
SNESContext	snes_ctx
	Current SNES computation context.
SNES	snes
	PETSc SNES nonlinear solver object.
Vec &	snes_x
	Reference to current solution state vector.
Vec &	snes_dx
	Reference to solution update/increment vector.
Vec &	snes_f
	Reference to residual vector.
Mat &	snes_A
	Reference to Jacobian matrix.
Mat &	snes_B
	Reference to preconditioner of Jacobian matrix.
Public Attributes inherited from MoFEM::TSMethod
TS	ts
	PETSc time stepping solver object.
TSContext	ts_ctx
	Current TS computation context.
PetscInt	ts_step
	Current time step number.
PetscReal	ts_a
	Shift parameter for U_t (see PETSc Time Solver documentation)
PetscReal	ts_aa
	Shift parameter for U_tt (second time derivative)
PetscReal	ts_t
	Current time value.
PetscReal	ts_dt
	Current time step size.
Vec &	ts_u
	Reference to current state vector U(t)
Vec &	ts_u_t
	Reference to first time derivative of state vector dU/dt.
Vec &	ts_u_tt
	Reference to second time derivative of state vector d²U/dt²
Vec &	ts_F
	Reference to residual vector F(t,U,U_t,U_tt)
Mat &	ts_A
	Reference to Jacobian matrix: dF/dU + a*dF/dU_t + aa*dF/dU_tt.
Mat &	ts_B
	Reference to preconditioner matrix for ts_A.
Public Attributes inherited from MoFEM::TaoMethod
TAOContext	tao_ctx
	Current TAO computation context.
Tao	tao
	PETSc TAO optimization solver object.
Vec &	tao_x
	Reference to optimization variables vector.
Vec &	tao_f
	Reference to gradient vector.
Mat &	tao_A
	Reference to Hessian matrix.
Mat &	tao_B
	Reference to preconditioner matrix for Hessian.

Additional Inherited Members
Public Types inherited from MoFEM::KspMethod
enum	KSPContext { CTX_SETFUNCTION , CTX_OPERATORS , CTX_KSPNONE }
	Context enumeration for KSP solver phases. More...
Public Types inherited from MoFEM::PetscData
enum	DataContext {   CTX_SET_NONE = 0 , CTX_SET_F = 1 << 0 , CTX_SET_A = 1 << 1 , CTX_SET_B = 1 << 2 ,   CTX_SET_X = 1 << 3 , CTX_SET_DX = 1 << 4 , CTX_SET_X_T = 1 << 5 , CTX_SET_X_TT = 1 << 6 ,   CTX_SET_TIME = 1 << 7 }
	Enumeration for data context flags. More...
using	Switches = std::bitset< 8 >
	Bitset type for context switches.
Public Types inherited from MoFEM::SnesMethod
enum	SNESContext { CTX_SNESSETFUNCTION , CTX_SNESSETJACOBIAN , CTX_SNESNONE }
	Context enumeration for SNES solver phases. More...
Public Types inherited from MoFEM::TSMethod
enum	TSContext {   CTX_TSSETRHSFUNCTION , CTX_TSSETRHSJACOBIAN , CTX_TSSETIFUNCTION , CTX_TSSETIJACOBIAN ,   CTX_TSTSMONITORSET , CTX_TSNONE }
	Context enumeration for TS solver phases. More...
Public Types inherited from MoFEM::TaoMethod
enum	TAOContext { CTX_TAO_OBJECTIVE , CTX_TAO_GRADIENT , CTX_TAO_HESSIAN , CTX_TAO_NONE }
	Context enumeration for TAO solver phases. More...
Static Public Member Functions inherited from MoFEM::UnknownInterface
static MoFEMErrorCode	getLibVersion (Version &version)
	Get library version.
static MoFEMErrorCode	getFileVersion (moab::Interface &moab, Version &version)
	Get database major version.
static MoFEMErrorCode	setFileVersion (moab::Interface &moab, Version version=Version(MoFEM_VERSION_MAJOR, MoFEM_VERSION_MINOR, MoFEM_VERSION_BUILD))
	Get database major version.
static MoFEMErrorCode	getInterfaceVersion (Version &version)
	Get database major version.
Static Public Attributes inherited from MoFEM::PetscData
static constexpr Switches	CtxSetNone = PetscData::Switches(CTX_SET_NONE)
	No data switch.
static constexpr Switches	CtxSetF = PetscData::Switches(CTX_SET_F)
	Residual vector switch.
static constexpr Switches	CtxSetA = PetscData::Switches(CTX_SET_A)
	Jacobian matrix switch.
static constexpr Switches	CtxSetB = PetscData::Switches(CTX_SET_B)
	Preconditioner matrix switch.
static constexpr Switches	CtxSetX = PetscData::Switches(CTX_SET_X)
	Solution vector switch.
static constexpr Switches	CtxSetDX = PetscData::Switches(CTX_SET_DX)
	Solution increment switch.
static constexpr Switches	CtxSetX_T = PetscData::Switches(CTX_SET_X_T)
	First time derivative switch.
static constexpr Switches	CtxSetX_TT = PetscData::Switches(CTX_SET_X_TT)
	Second time derivative switch.
static constexpr Switches	CtxSetTime = PetscData::Switches(CTX_SET_TIME)
	Time value switch.

Detailed Description

Set Dirichlet boundary conditions on displacements.

Examples

mofem/tutorials/cor-10/navier_stokes.cpp, mofem/tutorials/cor-7/elasticity_mixed_formulation.cpp, mofem/users_modules/basic_finite_elements/nonlinear_elasticity/nonlinear_dynamics.cpp, and mofem/users_modules/bone_remodelling/bone_adaptation.cpp.

Definition at line 57 of file DirichletBC.hpp.

Constructor & Destructor Documentation

DirichletDisplacementBc() [1/2]

DirichletDisplacementBc::DirichletDisplacementBc	(	MoFEM::Interface &	m_field,
		const std::string &	field_name,
		Mat	Aij,
		Vec	X,
		Vec	F,
		string	blockset_name = "DISPLACEMENT"
	)

Definition at line 37 of file DirichletBC.cpp.

    : mField(m_field), fieldName(field_name), blocksetName(blockset_name),
      dIag(1) {
  snes_B = Aij;
  snes_x = X;
  snes_f = F;
  ts_B = Aij;
  ts_u = X;
  ts_F = F;
};

DirichletDisplacementBc() [2/2]

DirichletDisplacementBc::DirichletDisplacementBc	(	MoFEM::Interface &	m_field,
		const std::string &	field_name,
		string	blockset_name = "DISPLACEMENT"
	)

Definition at line 51 of file DirichletBC.cpp.

    : mField(m_field), fieldName(field_name), blocksetName(blockset_name),
      dIag(1) {
  snes_B = PETSC_NULLPTR;
  snes_x = PETSC_NULLPTR;
  snes_f = PETSC_NULLPTR;
  ts_B = PETSC_NULLPTR;
  ts_u = PETSC_NULLPTR;
  ts_F = PETSC_NULLPTR;
};

Member Function Documentation

applyScaleBcData()

MoFEMErrorCode DirichletDisplacementBc::applyScaleBcData

(

DataFromBc &

bc_data

)

Definition at line 187 of file DirichletBC.cpp.

                                                                            {
  MoFEMFunctionBegin;
 
  bc_data.scaled_values = bc_data.initial_values;
  CHKERR MethodForForceScaling::applyScale(this, methodsOp,
                                           bc_data.scaled_values);
  // for rotation
  bc_data.theta = bc_data.scaled_values[0];
  MoFEMFunctionReturn(0);
}

calculateRotationForDof() [1/2]

MoFEMErrorCode DirichletDisplacementBc::calculateRotationForDof	(	EntityHandle	ent,
		DataFromBc &	bc_data
	)

Definition at line 178 of file DirichletBC.cpp.

                                                                      {
  MoFEMFunctionBegin;
  VectorDouble3 coords(3);
  CHKERR mField.get_moab().get_coords(&ent, 1, &*coords.begin());
  CHKERR calculateRotationForDof(coords, bc_data);
  MoFEMFunctionReturn(0);
}

calculateRotationForDof() [2/2]

MoFEMErrorCode DirichletDisplacementBc::calculateRotationForDof	(	VectorDouble3 &	coords,
		DataFromBc &	bc_data
	)

Calculate displacements from rotation for particular dof.

Parameters

dof
bc_data

Returns

MoFEMErrorCode

Definition at line 168 of file DirichletBC.cpp.

                                                                      {
  MoFEMFunctionBegin;
  if (bc_data.is_rotation) 
    bc_data.scaled_values = get_displacement(coords, bc_data.t_centr,
                                             bc_data.t_normal, bc_data.theta);
  MoFEMFunctionReturn(0);
}

getBcDataFromSetsAndBlocks()

MoFEMErrorCode DirichletDisplacementBc::getBcDataFromSetsAndBlocks

(

std::vector< DataFromBc > &

bc_data

)

Get the Bc Data From Sets And Blocks object Use DISPLACEMENT blockset name (default) with 6 atributes: 1,2,3 are values of displacements x,y,z 4,5,6 are flags for x,y,z (0 or 1)

Parameters

bc_data

Returns

MoFEMErrorCode

Definition at line 64 of file DirichletBC.cpp.

                                    {
 
  MoFEMFunctionBegin;
 
  // Loop over meshsets with Dirichlet boundary condition on displacements
  for (_IT_CUBITMESHSETS_BY_BCDATA_TYPE_FOR_LOOP_(
           mField, NODESET | DISPLACEMENTSET, it)) {
    bc_data.push_back(DataFromBc());
    DisplacementCubitBcData mydata;
    CHKERR bc_data.back().getBcData(mydata, &(*it));
    CHKERR bc_data.back().getEntitiesFromBc(mField, &(*it));
  }
  // Loop over blocksets with DISPLACEMENT (default) boundary condition
  for (_IT_CUBITMESHSETS_BY_SET_TYPE_FOR_LOOP_(mField, BLOCKSET, it)) {
    if (it->getName().compare(0, blocksetName.length(), blocksetName) == 0) {
      bc_data.push_back(DataFromBc());
      std::vector<double> mydata;
      CHKERR bc_data.back().getBcData(mydata, &(*it));
      CHKERR bc_data.back().getEntitiesFromBc(mField, &(*it));
    }
  }
 
  MoFEMFunctionReturn(0);
}

getRotationBcFromBlock()

MoFEMErrorCode DirichletDisplacementBc::getRotationBcFromBlock

(

std::vector< DataFromBc > &

bc_data

)

Get the Rotation Bc From Block object Use ROTATION blockset name with 7 atributes: 1,2,3 are x,y,z coords of the center of rotation 4,5,6 are are angular velocities in x,y,z.

Parameters

bc_data

Returns

MoFEMErrorCode

Definition at line 133 of file DirichletBC.cpp.

                                    {
 
  MoFEMFunctionBegin;
 
  for (_IT_CUBITMESHSETS_BY_SET_TYPE_FOR_LOOP_(mField, BLOCKSET, it)) {
    if (it->getName().compare(0, 8, "ROTATION") == 0) {
      bc_data.push_back(DataFromBc());
      std::vector<double> mydata;
      CHKERR bc_data.back().getEntitiesFromBc(mField, &(*it));
      CHKERR it->getAttributes(mydata);
      if (mydata.size() < 6) {
        SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
                "6 attributes are required for Rotation (3 center coords + 3 "
                "angles, (+ 3 optional) flags for xyz)");
      }
      for (int ii : {0, 1, 2}) {
        bc_data.back().bc_flags[ii] = 1;
        bc_data.back().t_centr(ii) = mydata[ii + 0];
        bc_data.back().t_normal(ii) = mydata[ii + 3];
      }
      if (mydata.size() > 8)
        for (int ii : {0, 1, 2})
          bc_data.back().bc_flags[ii] = mydata[6 + ii];
 
      bc_data.back().scaled_values[0] = bc_data.back().initial_values[0] =
          bc_data.back().t_normal.l2();
      bc_data.back().is_rotation = true;
    }
  }
 
  MoFEMFunctionReturn(0);
}

iNitialize()

MoFEMErrorCode DirichletDisplacementBc::iNitialize ( )

virtual

Reimplemented in AnalyticalDirichletBC::DirichletBC, DirichletSpatialPositionsBc, DirichletTemperatureBc, DirichletFixFieldAtEntitiesBc, and DirichletDisplacementRemoveDofsBc.

Definition at line 198 of file DirichletBC.cpp.

                                                   {
  MoFEMFunctionBegin;
  if (mapZeroRows.empty() || !methodsOp.empty()) {
 
    std::vector<DataFromBc> bcData;
    CHKERR getRotationBcFromBlock(bcData);
    CHKERR getBcDataFromSetsAndBlocks(bcData);
 
    for (auto &bc_it : bcData) {
 
      CHKERR applyScaleBcData(bc_it);
 
      for (int dim = 0; dim < 3; dim++) {
 
        auto for_each_dof = [&](auto &dof) {
          MoFEMFunctionBeginHot;
          if (dof->getEntType() == MBVERTEX) {
            CHKERR calculateRotationForDof(dof->getEnt(), bc_it);
            if (dof->getDofCoeffIdx() == 0 && bc_it.bc_flags[0]) {
              // set boundary values to field data
              mapZeroRows[dof->getPetscGlobalDofIdx()] = bc_it.scaled_values[0];
              dof->getFieldData() = mapZeroRows[dof->getPetscGlobalDofIdx()];
            }
            if (dof->getDofCoeffIdx() == 1 && bc_it.bc_flags[1]) {
              mapZeroRows[dof->getPetscGlobalDofIdx()] = bc_it.scaled_values[1];
              dof->getFieldData() = mapZeroRows[dof->getPetscGlobalDofIdx()];
            }
            if (dof->getDofCoeffIdx() == 2 && bc_it.bc_flags[2]) {
              mapZeroRows[dof->getPetscGlobalDofIdx()] = bc_it.scaled_values[2];
              dof->getFieldData() = mapZeroRows[dof->getPetscGlobalDofIdx()];
            }
 
          } else {
            if (dof->getDofCoeffIdx() == 0 && bc_it.bc_flags[0]) {
              mapZeroRows[dof->getPetscGlobalDofIdx()] = 0;
              dof->getFieldData() = 0;
            }
            if (dof->getDofCoeffIdx() == 1 && bc_it.bc_flags[1]) {
              mapZeroRows[dof->getPetscGlobalDofIdx()] = 0;
              dof->getFieldData() = 0;
            }
            if (dof->getDofCoeffIdx() == 2 && bc_it.bc_flags[2]) {
              mapZeroRows[dof->getPetscGlobalDofIdx()] = 0;
              dof->getFieldData() = 0;
            }
          }
          MoFEMFunctionReturnHot(0);
        };
 
        CHKERR set_numered_dofs_on_ents(problemPtr,
                                        mField.get_field_bit_number(fieldName),
                                        bc_it.bc_ents[dim], for_each_dof);
      }
    }
    dofsIndices.resize(mapZeroRows.size());
    dofsValues.resize(mapZeroRows.size());
    int ii = 0;
    auto mit = mapZeroRows.begin();
    for (; mit != mapZeroRows.end(); mit++, ii++) {
      dofsIndices[ii] = mit->first;
      dofsValues[ii] = mit->second;
    }
  }
  MoFEMFunctionReturn(0);
}

operator()()

MoFEMErrorCode DirichletDisplacementBc::operator() ( )

inlinevirtual

Main operator function executed for each loop iteration.

This virtual function is called for every item (finite element, entity, etc.) in the loop. It is the core computation function typically used for:

• Calculating element local matrices and vectors
• Assembling contributions to global system
• Element-level post-processing operations

Returns

Error code indicating success or failure

Reimplemented from MoFEM::BasicMethod.

Reimplemented in DirichletDisplacementRemoveDofsBc.

Definition at line 80 of file DirichletBC.hpp.

{ return 0; }

postProcess()

MoFEMErrorCode DirichletDisplacementBc::postProcess ( )

virtual

Post-processing function executed at loop completion.

This virtual function is called once at the end of the loop. It is typically used for:

• Assembling matrices and vectors to global system
• Computing global variables (e.g., total internal energy)
• Finalizing computation results
• Cleanup operations

Example of iterating over DOFs:

for(_IT_GET_FEROW_BY_NAME_DOFS_FOR_LOOP_(this,"DISPLACEMENT",it)) { 
  // Process each DOF
}

Returns

Error code indicating success or failure

Reimplemented from MoFEM::BasicMethod.

Reimplemented in DirichletFixFieldAtEntitiesBc, and DirichletDisplacementRemoveDofsBc.

Definition at line 281 of file DirichletBC.cpp.

                                                    {
  MoFEMFunctionBegin;
 
  if (snes_ctx == CTX_SNESNONE) {
    if (snes_B) {
      CHKERR MatAssemblyBegin(snes_B, MAT_FINAL_ASSEMBLY);
      CHKERR MatAssemblyEnd(snes_B, MAT_FINAL_ASSEMBLY);
      CHKERR MatZeroRowsColumns(snes_B, dofsIndices.size(),
                                dofsIndices.empty() ? PETSC_NULLPTR
                                                    : &dofsIndices[0],
                                dIag, PETSC_NULLPTR, PETSC_NULLPTR);
    }
    if (snes_f) {
      CHKERR VecAssemblyBegin(snes_f);
      CHKERR VecAssemblyEnd(snes_f);
      for (std::vector<int>::iterator vit = dofsIndices.begin();
           vit != dofsIndices.end(); vit++) {
        CHKERR VecSetValue(snes_f, *vit, 0, INSERT_VALUES);
      }
      CHKERR VecAssemblyBegin(snes_f);
      CHKERR VecAssemblyEnd(snes_f);
    }
  }
 
  switch (snes_ctx) {
  case CTX_SNESNONE:
    break;
  case CTX_SNESSETFUNCTION: {
    if (!dofsIndices.empty()) {
      dofsXValues.resize(dofsIndices.size());
      const double *a_snes_x;
      CHKERR VecGetArrayRead(snes_x, &a_snes_x);
      auto &dofs_by_glob_idx =
          problemPtr->getNumeredColDofsPtr()->get<PetscGlobalIdx_mi_tag>();
      int idx = 0;
      for (auto git : dofsIndices) {
        auto dof_it = dofs_by_glob_idx.find(git);
        if (dof_it != dofs_by_glob_idx.end()) {
          dofsXValues[idx] = a_snes_x[dof_it->get()->getPetscLocalDofIdx()];
          ++idx;
        } else
          SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
                  "Dof with global %d id not found", git);
      }
      CHKERR VecRestoreArrayRead(snes_x, &a_snes_x);
    }
    CHKERR VecAssemblyBegin(snes_f);
    CHKERR VecAssemblyEnd(snes_f);
 
    if (!dofsIndices.empty()) {
      int ii = 0;
      for (std::vector<int>::iterator vit = dofsIndices.begin();
           vit != dofsIndices.end(); vit++, ii++) {
        double val = 0;
        if (!dofsXValues.empty()) {
          val += dofsXValues[ii];
          val += -mapZeroRows[*vit]; // in snes it is on the left hand side,
                                     // that way -1
          dofsXValues[ii] = val;
        }
      }
      CHKERR VecSetValues(
          snes_f, dofsIndices.size(),
          dofsIndices.empty() ? PETSC_NULLPTR : &*dofsIndices.begin(),
          dofsXValues.empty() ? PETSC_NULLPTR : &*dofsXValues.begin(),
          INSERT_VALUES);
    }
    CHKERR VecAssemblyBegin(snes_f);
    CHKERR VecAssemblyEnd(snes_f);
  } break;
  case CTX_SNESSETJACOBIAN: {
 
    CHKERR MatAssemblyBegin(snes_B, MAT_FINAL_ASSEMBLY);
    CHKERR MatAssemblyEnd(snes_B, MAT_FINAL_ASSEMBLY);
    CHKERR MatZeroRowsColumns(snes_B, dofsIndices.size(),
                              dofsIndices.empty() ? PETSC_NULLPTR
                                                  : &*dofsIndices.begin(),
                              dIag, PETSC_NULLPTR, PETSC_NULLPTR);
 
  } break;
  default:
    SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY, "unknown snes stage");
  }
 
  MoFEMFunctionReturn(0);
}

preProcess()

MoFEMErrorCode DirichletDisplacementBc::preProcess ( )

virtual

Pre-processing function executed at loop initialization.

This virtual function is called once at the beginning of the loop. It is typically used for:

• Zeroing matrices and vectors
• Computing shape functions on reference elements
• Preprocessing boundary conditions
• Setting up initial computation state

Returns

Error code indicating success or failure

Reimplemented from MoFEM::BasicMethod.

Reimplemented in DirichletFixFieldAtEntitiesBc, and DirichletDisplacementRemoveDofsBc.

Definition at line 264 of file DirichletBC.cpp.

                                                   {
  MoFEMFunctionBegin;
 
  CHKERR iNitialize();
 
  if (snes_ctx == CTX_SNESNONE) {
    if (!dofsIndices.empty()) {
      CHKERR VecSetValues(snes_x, dofsIndices.size(), &*dofsIndices.begin(),
                          &*dofsValues.begin(), INSERT_VALUES);
    }
    CHKERR VecAssemblyBegin(snes_x);
    CHKERR VecAssemblyEnd(snes_x);
  }
 
  MoFEMFunctionReturn(0);
}

Member Data Documentation

blocksetName

const std::string DirichletDisplacementBc::blocksetName

Definition at line 74 of file DirichletBC.hpp.

dIag

double DirichletDisplacementBc::dIag

diagonal value set on zeroed column and rows

Definition at line 61 of file DirichletBC.hpp.

dofsIndices

std::vector<int> DirichletDisplacementBc::dofsIndices

Definition at line 71 of file DirichletBC.hpp.

dofsValues

std::vector<double> DirichletDisplacementBc::dofsValues

Definition at line 72 of file DirichletBC.hpp.

dofsXValues

std::vector<double> DirichletDisplacementBc::dofsXValues

Definition at line 73 of file DirichletBC.hpp.

fieldName

const std::string DirichletDisplacementBc::fieldName

field name to set Dirichlet BC

Definition at line 60 of file DirichletBC.hpp.

mapZeroRows

std::map<DofIdx, FieldData> DirichletDisplacementBc::mapZeroRows

Definition at line 70 of file DirichletBC.hpp.

methodsOp

boost::ptr_vector<MethodForForceScaling> DirichletDisplacementBc::methodsOp

Examples

mofem/users_modules/bone_remodelling/bone_adaptation.cpp.

Definition at line 76 of file DirichletBC.hpp.

mField

MoFEM::Interface& DirichletDisplacementBc::mField

Definition at line 59 of file DirichletBC.hpp.

---

The documentation for this struct was generated from the following files:

• users_modules/basic_finite_elements/src/DirichletBC.hpp
• users_modules/basic_finite_elements/src/impl/DirichletBC.cpp