Public Member Functions | Public Attributes | List of all members
OpSpringFs Struct Reference

Assemble contribution of springs to RHS *

\[ f_s = \int\limits_{\partial \Omega }^{} {{\psi ^T}{F^s}\left( u \right)d\partial \Omega } = \int\limits_{\partial \Omega }^{} {{\psi ^T}{k_s}ud\partial \Omega } \]

. More...

Inheritance diagram for OpSpringFs:
Collaboration diagram for OpSpringFs:

Public Member Functions

 OpSpringFs (boost::shared_ptr< DataAtIntegrationPtsSprings > &common_data_ptr, BlockOptionDataSprings &data, const std::string field_name)
MoFEMErrorCode doWork (int side, EntityType type, DataForcesAndSourcesCore::EntData &data)
 Operator for linear form, usually to calculate values on right hand side. More...
- Public Member Functions inherited from MoFEM::FaceElementForcesAndSourcesCore::UserDataOperator
 UserDataOperator (const FieldSpace space)
 UserDataOperator (const std::string &field_name, const char type)
 UserDataOperator (const std::string &row_field_name, const std::string &col_field_name, const char type, const bool symm=true)
double getArea ()
 get area of face More...
double getMeasure ()
 get measure of element More...
VectorDoublegetNormal ()
 get triangle normal More...
VectorDoublegetTangent1 ()
 get triangle tangent 1 More...
VectorDoublegetTangent2 ()
 get triangle tangent 2 More...
auto getFTensor1Normal ()
 get normal as tensor More...
DEPRECATED auto getTensor1Normal ()
auto getFTensor1Tangent1 ()
 get tangentOne as tensor More...
DEPRECATED auto getTensor1Tangent1 ()
auto getFTensor2Tangent1 ()
 get tangentTwo as tensor More...
DEPRECATED auto getTensor2Tangent1 ()
int getNumNodes ()
 get element number of nodes More...
const EntityHandlegetConn ()
 get element connectivity More...
VectorDoublegetCoords ()
 get triangle coordinates More...
auto getFTensor1Coords ()
 get get coords at gauss points More...
DEPRECATED auto getTensor1Coords ()
MatrixDoublegetCoordsAtGaussPts ()
 Gauss points and weight, matrix (nb. of points x 3) More...
auto getFTensor1CoordsAtGaussPts ()
 get coordinates at Gauss pts. More...
DEPRECATED auto getTensor1CoordsAtGaussPts ()
MatrixDoublegetHoCoordsAtGaussPts ()
 coordinate at Gauss points (if hierarchical approximation of element geometry) More...
auto getFTensor1HoCoordsAtGaussPts ()
 get coordinates at Gauss pts (takes in account ho approx. of geometry) More...
DEPRECATED auto getTensor1HoCoordsAtGaussPts ()
MatrixDoublegetNormalsAtGaussPts ()
 if higher order geometry return normals at Gauss pts. More...
DEPRECATED MatrixDoublegetNormalsAtGaussPt ()
ublas::matrix_row< MatrixDoublegetNormalsAtGaussPts (const int gg)
 if higher order geometry return normals at Gauss pts. More...
DEPRECATED auto getNormalsAtGaussPt (const int gg)
MatrixDoublegetTangent1AtGaussPts ()
 if higher order geometry return tangent vector to triangle at Gauss pts. More...
DEPRECATED MatrixDoublegetTangent1AtGaussPt ()
MatrixDoublegetTangent2AtGaussPts ()
 if higher order geometry return tangent vector to triangle at Gauss pts. More...
DEPRECATED MatrixDoublegetTangent2AtGaussPt ()
auto getFTensor1NormalsAtGaussPts ()
 get normal at integration points More...
DEPRECATED auto getTensor1NormalsAtGaussPt ()
auto getFTensor1Tangent1AtGaussPts ()
 get tangent 1 at integration points More...
DEPRECATED auto getTensor1Tangent1AtGaussPt ()
auto getFTensor1Tangent2AtGaussPts ()
 get tangent 2 at integration points More...
DEPRECATED auto getTensor1Tangent2AtGaussPt ()
DEPRECATED const FaceElementForcesAndSourcesCoregetFaceElementForcesAndSourcesCore ()
DEPRECATED const FaceElementForcesAndSourcesCoregetTriFE ()
const FaceElementForcesAndSourcesCoregetFaceFE ()
 return pointer to Generic Triangle Finite Element object More...
MoFEMErrorCode loopSideVolumes (const string &fe_name, VolumeElementForcesAndSourcesCoreOnSide &method)
- Public Member Functions inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
 UserDataOperator (const FieldSpace space, const char type=OPLAST, const bool symm=true)
 UserDataOperator (const std::string &field_name, const char type, const bool symm=true)
 UserDataOperator (const std::string &row_field_name, const std::string &col_field_name, const char type, const bool symm=true)
virtual ~UserDataOperator ()
boost::shared_ptr< const NumeredEntFiniteElementgetNumeredEntFiniteElementPtr () const
 Return raw pointer to NumeredEntFiniteElement. More...
EntityHandle getFEEntityHandle () const
 Return finite element entity handle. More...
MoFEMErrorCode getProblemRowIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
 Get row indices. More...
MoFEMErrorCode getProblemColIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
 Get col indices. More...
virtual MoFEMErrorCode setPtrFE (ForcesAndSourcesCore *ptr)
const FEMethodgetFEMethod () const
 Return raw pointer to Finite Element Method object. More...
int getOpType () const
 Get operator types. More...
void setOpType (const OpType type)
 Set operator type. More...
void addOpType (const OpType type)
 Add operator type. More...
int getNinTheLoop () const
 get number of finite element in the loop More...
int getLoopSize () const
 get size of elements in the loop More...
const std::string & getFEName () const
 Get name of the element. More...
Vec getSnesF () const
Vec getSnesX () const
Mat getSnesA () const
Mat getSnesB () const
Vec getTSu () const
Vec getTSu_t () const
Vec getTSf () const
Mat getTSA () const
Mat getTSB () const
int getTSstep () const
double getTStime () const
double getTSa () const
MatrixDoublegetGaussPts ()
 matrix of integration (Gauss) points for Volume Element More...
auto getFTensor0IntegrationWeight ()
 Get integration weights. More...
DEPRECATED MoFEMErrorCode getPorblemRowIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
DEPRECATED MoFEMErrorCode getPorblemColIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
- Public Member Functions inherited from MoFEM::DataOperator
 DataOperator (const bool symm=true, const bool do_vertices=true, const bool do_edges=true, const bool do_quads=true, const bool do_tris=true, const bool do_tets=true, const bool do_prisms=true)
virtual ~DataOperator ()
virtual MoFEMErrorCode doWork (int row_side, int col_side, EntityType row_type, EntityType col_type, DataForcesAndSourcesCore::EntData &row_data, DataForcesAndSourcesCore::EntData &col_data)
 Operator for bi-linear form, usually to calculate values on left hand side. More...
virtual MoFEMErrorCode opLhs (DataForcesAndSourcesCore &row_data, DataForcesAndSourcesCore &col_data, bool symm=true)
virtual MoFEMErrorCode opLhs (DataForcesAndSourcesCore &row_data, DataForcesAndSourcesCore &col_data)
virtual MoFEMErrorCode opRhs (DataForcesAndSourcesCore &data, const bool do_vertices, const bool do_edges, const bool do_quads, const bool do_tris, const bool do_tets, const bool do_prisms, const bool error_if_no_base=true)
virtual MoFEMErrorCode opRhs (DataForcesAndSourcesCore &data, const bool error_if_no_base=true)
bool getSymm () const
 Get if operator uses symmetry of DOFs or not. More...
void setSymm ()
 set if operator is executed taking in account symmetry More...
void unSetSymm ()
 unset if operator is executed for non symmetric problem More...

Public Attributes

VectorDouble nF
boost::shared_ptr< DataAtIntegrationPtsSpringscommonDataPtr
bool is_spatial_position = true
- Public Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
char opType
std::string rowFieldName
std::string colFieldName
FieldSpace sPace
- Public Attributes inherited from MoFEM::DataOperator
bool sYmm
 If true assume that matrix is symmetric structure. More...
bool doVertices
 If false skip vertices. More...
bool doEdges
 If false skip edges. More...
bool doQuads
bool doTris
bool doTets
bool doPrisms

Additional Inherited Members

- Public Types inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
enum  OpType { OPROW = 1 << 0, OPCOL = 1 << 1, OPROWCOL = 1 << 2, OPLAST = 1 << 3 }
 Controls loop over entities on element. More...
- Protected Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator

Detailed Description

Assemble contribution of springs to RHS *

\[ f_s = \int\limits_{\partial \Omega }^{} {{\psi ^T}{F^s}\left( u \right)d\partial \Omega } = \int\limits_{\partial \Omega }^{} {{\psi ^T}{k_s}ud\partial \Omega } \]


Definition at line 112 of file SpringElement.cpp.

Constructor & Destructor Documentation

◆ OpSpringFs()

OpSpringFs::OpSpringFs ( boost::shared_ptr< DataAtIntegrationPtsSprings > &  common_data_ptr,
BlockOptionDataSprings data,
const std::string  field_name 

Definition at line 121 of file SpringElement.cpp.

124  field_name.c_str(), OPROW),
125  commonDataPtr(common_data_ptr), dAta(data) {
126  if (field_name.compare(0, 16, "SPATIAL_POSITION") != 0)
127  is_spatial_position = false;
128  }
boost::shared_ptr< DataAtIntegrationPtsSprings > commonDataPtr
bool is_spatial_position
BlockOptionDataSprings & dAta
ForcesAndSourcesCore::UserDataOperator UserDataOperator

Member Function Documentation

◆ doWork()

MoFEMErrorCode OpSpringFs::doWork ( int  side,
EntityType  type,
DataForcesAndSourcesCore::EntData data 

Operator for linear form, usually to calculate values on right hand side.

Reimplemented from MoFEM::DataOperator.

Definition at line 130 of file SpringElement.cpp.

131  {
135  // check that the faces have associated degrees of freedom
136  const int nb_dofs = data.getIndices().size();
137  if (nb_dofs == 0)
140  if (dAta.tRis.find(getNumeredEntFiniteElementPtr()->getEnt()) ==
141  dAta.tRis.end()) {
143  }
145  CHKERR commonDataPtr->getBlockData(dAta);
147  // size of force vector associated to the entity
148  // set equal to the number of degrees of freedom of associated with the
149  // entity
150  nF.resize(nb_dofs, false);
151  nF.clear();
153  // get number of Gauss points
154  const int nb_gauss_pts = data.getN().size1();
156  // get intergration weights
157  auto t_w = getFTensor0IntegrationWeight();
159  // FTensor indices
164  FTensor::Tensor2<double, 3, 3> t_spring_local(
165  commonDataPtr->springStiffnessNormal, 0., 0., 0.,
166  commonDataPtr->springStiffnessTangent, 0., 0., 0.,
167  commonDataPtr->springStiffnessTangent);
168  // create a 3d vector to be used as the normal to the face with length equal
169  // to the face area
170  auto t_normal_ptr = getFTensor1Normal();
173  t_normal(i) = t_normal_ptr(i);
175  // First tangent vector
176  auto t_tangent1_ptr = getFTensor1Tangent1AtGaussPts();
177  FTensor::Tensor1<double, 3> t_tangent1;
178  t_tangent1(i) = t_tangent1_ptr(i);
180  // Second tangent vector, such that t_n = t_t1 x t_t2 | t_t2 = t_n x t_t1
181  FTensor::Tensor1<double, 3> t_tangent2;
182  t_tangent2(i) = FTensor::levi_civita(i, j, k) * t_normal(j) * t_tangent1(k);
184  // Spring stiffness in global coordinate
185  FTensor::Tensor2<double, 3, 3> t_spring_global;
186  t_spring_global = MetaSpringBC::transformLocalToGlobal(
187  t_normal, t_tangent1, t_tangent2, t_spring_local);
189  // Extract solution at Gauss points
190  auto t_solution_at_gauss_point =
191  getFTensor1FromMat<3>(*commonDataPtr->xAtPts);
192  auto t_init_solution_at_gauss_point =
193  getFTensor1FromMat<3>(*commonDataPtr->xInitAtPts);
194  FTensor::Tensor1<double, 3> t_displacement_at_gauss_point;
196  // loop over all Gauss points of the face
197  for (int gg = 0; gg != nb_gauss_pts; ++gg) {
199  // Calculate the displacement at the Gauss point
200  if (is_spatial_position) { // "SPATIAL_POSITION"
201  t_displacement_at_gauss_point(i) =
202  t_solution_at_gauss_point(i) - t_init_solution_at_gauss_point(i);
203  } else { // e.g. "DISPLACEMENT" or "U"
204  t_displacement_at_gauss_point(i) = t_solution_at_gauss_point(i);
205  }
207  double w = t_w * getArea();
209  auto t_base_func = data.getFTensor0N(gg, 0);
211  // create a vector t_nf whose pointer points an array of 3 pointers
212  // pointing to nF memory location of components
214  &nF[2]);
216  for (int rr = 0; rr != nb_dofs / 3; ++rr) { // loop over the nodes
217  t_nf(i) += w * t_base_func * t_spring_global(i, j) *
218  t_displacement_at_gauss_point(j);
220  // move to next base function
221  ++t_base_func;
222  // move the pointer to next element of t_nf
223  ++t_nf;
224  }
225  // move to next integration weight
226  ++t_w;
227  // move to the solutions at the next Gauss point
228  ++t_solution_at_gauss_point;
229  ++t_init_solution_at_gauss_point;
230  }
231  // add computed values of spring in the global right hand side vector
232  Vec f = getFEMethod()->ksp_f != PETSC_NULL ? getFEMethod()->ksp_f
233  : getFEMethod()->snes_f;
234  CHKERR VecSetValues(f, nb_dofs, &data.getIndices()[0], &nF[0], ADD_VALUES);
236  }
boost::shared_ptr< DataAtIntegrationPtsSprings > commonDataPtr
boost::shared_ptr< const NumeredEntFiniteElement > getNumeredEntFiniteElementPtr() const
Return raw pointer to NumeredEntFiniteElement.
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
Definition: definitions.h:476
#define MoFEMFunctionReturnHot(a)
Last executable line of each PETSc function used for error handling. Replaces return()
Definition: definitions.h:507
virtual const MatrixDouble & getN(const FieldApproximationBase base) const
get base functions this return matrix (nb. of rows is equal to nb. of Gauss pts, nb....
const FEMethod * getFEMethod() const
Return raw pointer to Finite Element Method object.
bool is_spatial_position
auto getFTensor0IntegrationWeight()
Get integration weights.
MoFEMErrorCode VecSetValues(Vec V, const DataForcesAndSourcesCore::EntData &data, const double *ptr, InsertMode iora)
Assemble PETSc vector.
BlockOptionDataSprings & dAta
#define CHKERR
Inline error check.
Definition: definitions.h:595
VectorDouble nF
const VectorInt & getIndices() const
Get global indices of dofs on entity.
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
Definition: definitions.h:406
Vec ksp_f
the right hand side vector
Definition: LoopMethods.hpp:92
static FTensor::Tensor2< double, 3, 3 > transformLocalToGlobal(FTensor::Tensor1< double, 3 > t_normal, FTensor::Tensor1< double, 3 > t_tangent1, FTensor::Tensor1< double, 3 > t_tangent2, FTensor::Tensor2< double, 3, 3 > t_spring_local)
Implementation of spring element. Set operators to calculate LHS and RHS.
FTensor::Tensor0< FTensor::PackPtr< double *, 1 > > getFTensor0N(const FieldApproximationBase base)
Get base function as Tensor0.
constexpr std::enable_if<(Dim0<=2 &&Dim1<=2), Tensor2_Expr< Levi_Civita< T >, T, Dim0, Dim1, i, j > >::type levi_civita(const Index< i, Dim0 > &, const Index< j, Dim1 > &)
levi_civita functions to make for easy adhoc use

Member Data Documentation

◆ commonDataPtr

boost::shared_ptr<DataAtIntegrationPtsSprings> OpSpringFs::commonDataPtr

Definition at line 117 of file SpringElement.cpp.

◆ dAta

BlockOptionDataSprings& OpSpringFs::dAta

Definition at line 118 of file SpringElement.cpp.

◆ is_spatial_position

bool OpSpringFs::is_spatial_position = true

Definition at line 119 of file SpringElement.cpp.

◆ nF

VectorDouble OpSpringFs::nF

Definition at line 115 of file SpringElement.cpp.

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