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NavierStokesElement::OpCalcDragTraction Struct Reference

Calculate drag traction on the fluid-solid interface. More...

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

Inheritance diagram for NavierStokesElement::OpCalcDragTraction:
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Collaboration diagram for NavierStokesElement::OpCalcDragTraction:
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Public Member Functions

 OpCalcDragTraction (const string field_name, boost::shared_ptr< VolumeElementForcesAndSourcesCoreOnSide > &side_fe, std::string side_fe_name, boost::shared_ptr< CommonData > &common_data, BlockData &block_data)
 
MoFEMErrorCode doWork (int side, EntityType type, EntData &data)
 Operator for linear form, usually to calculate values on right hand side.
 
- Public Member Functions inherited from MoFEM::FaceElementForcesAndSourcesCore::UserDataOperator
double getArea ()
 get area of face
 
VectorDoublegetNormal ()
 get triangle normal
 
VectorDoublegetTangent1 ()
 get triangle tangent 1
 
VectorDoublegetTangent2 ()
 get triangle tangent 2
 
auto getFTensor1Normal ()
 get normal as tensor
 
auto getFTensor1Tangent1 ()
 get tangentOne as tensor
 
auto getFTensor1Tangent2 ()
 get tangentTwo as tensor
 
int getNumNodes ()
 get element number of nodes
 
const EntityHandlegetConn ()
 get element connectivity
 
VectorDoublegetCoords ()
 get triangle coordinates
 
auto getFTensor1Coords ()
 get get coords at gauss points
 
MatrixDoublegetNormalsAtGaussPts ()
 if higher order geometry return normals at Gauss pts.
 
ublas::matrix_row< MatrixDoublegetNormalsAtGaussPts (const int gg)
 if higher order geometry return normals at Gauss pts.
 
MatrixDoublegetTangent1AtGaussPts ()
 if higher order geometry return tangent vector to triangle at Gauss pts.
 
MatrixDoublegetTangent2AtGaussPts ()
 if higher order geometry return tangent vector to triangle at Gauss pts.
 
auto getFTensor1NormalsAtGaussPts ()
 get normal at integration points
 
auto getFTensor1Tangent1AtGaussPts ()
 get tangent 1 at integration points
 
auto getFTensor1Tangent2AtGaussPts ()
 get tangent 2 at integration points
 
FaceElementForcesAndSourcesCoregetFaceFE ()
 return pointer to Generic Triangle Finite Element object
 
MoFEMErrorCode loopSideVolumes (const string fe_name, VolumeElementForcesAndSourcesCoreOnSide &fe_method)
 
- Public Member Functions inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
 UserDataOperator (const FieldSpace space, const char type=OPSPACE, 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)
 
boost::shared_ptr< const NumeredEntFiniteElementgetNumeredEntFiniteElementPtr () const
 Return raw pointer to NumeredEntFiniteElement.
 
EntityHandle getFEEntityHandle () const
 Return finite element entity handle.
 
int getFEDim () const
 Get dimension of finite element.
 
EntityType getFEType () const
 Get dimension of finite element.
 
boost::weak_ptr< SideNumbergetSideNumberPtr (const int side_number, const EntityType type)
 Get the side number pointer.
 
EntityHandle getSideEntity (const int side_number, const EntityType type)
 Get the side entity.
 
int getNumberOfNodesOnElement () const
 Get the number of nodes on finite element.
 
MoFEMErrorCode getProblemRowIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
 Get row indices.
 
MoFEMErrorCode getProblemColIndices (const std::string filed_name, const EntityType type, const int side, VectorInt &indices) const
 Get col indices.
 
const FEMethodgetFEMethod () const
 Return raw pointer to Finite Element Method object.
 
int getOpType () const
 Get operator types.
 
void setOpType (const OpType type)
 Set operator type.
 
void addOpType (const OpType type)
 Add operator type.
 
int getNinTheLoop () const
 get number of finite element in the loop
 
int getLoopSize () const
 get size of elements in the loop
 
std::string getFEName () const
 Get name of the element.
 
ForcesAndSourcesCoregetPtrFE () const
 
ForcesAndSourcesCoregetSidePtrFE () const
 
ForcesAndSourcesCoregetRefinePtrFE () const
 
const PetscData::SwitchesgetDataCtx () const
 
const KspMethod::KSPContext getKSPCtx () const
 
const SnesMethod::SNESContext getSNESCtx () const
 
const TSMethod::TSContext getTSCtx () const
 
Vec getKSPf () const
 
Mat getKSPA () const
 
Mat getKSPB () const
 
Vec getSNESf () const
 
Vec getSNESx () const
 
Mat getSNESA () const
 
Mat getSNESB () const
 
Vec getTSu () const
 
Vec getTSu_t () const
 
Vec getTSu_tt () const
 
Vec getTSf () const
 
Mat getTSA () const
 
Mat getTSB () const
 
int getTSstep () const
 
double getTStime () const
 
double getTStimeStep () const
 
double getTSa () const
 
double getTSaa () const
 
MatrixDoublegetGaussPts ()
 matrix of integration (Gauss) points for Volume Element
 
auto getFTensor0IntegrationWeight ()
 Get integration weights.
 
MatrixDoublegetCoordsAtGaussPts ()
 Gauss points and weight, matrix (nb. of points x 3)
 
auto getFTensor1CoordsAtGaussPts ()
 Get coordinates at integration points assuming linear geometry.
 
double getMeasure () const
 get measure of element
 
doublegetMeasure ()
 get measure of element
 
MoFEMErrorCode loopSide (const string &fe_name, ForcesAndSourcesCore *side_fe, const size_t dim, const EntityHandle ent_for_side=0, boost::shared_ptr< Range > fe_range=nullptr, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy, AdjCache *adj_cache=nullptr)
 User calls this function to loop over elements on the side of face. This function calls finite element with its operator to do calculations.
 
MoFEMErrorCode loopThis (const string &fe_name, ForcesAndSourcesCore *this_fe, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy)
 User calls this function to loop over the same element using a different set of integration points. This function calls finite element with its operator to do calculations.
 
MoFEMErrorCode loopParent (const string &fe_name, ForcesAndSourcesCore *parent_fe, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy)
 User calls this function to loop over parent elements. This function calls finite element with its operator to do calculations.
 
MoFEMErrorCode loopChildren (const string &fe_name, ForcesAndSourcesCore *child_fe, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy)
 User calls this function to loop over parent elements. This function calls finite element with its operator to do calculations.
 
MoFEMErrorCode loopRange (const string &fe_name, ForcesAndSourcesCore *range_fe, boost::shared_ptr< Range > fe_range, const int verb=QUIET, const LogManager::SeverityLevel sev=Sev::noisy)
 Iterate over range of elements.
 
- Public Member Functions inherited from MoFEM::DataOperator
 DataOperator (const bool symm=true)
 
virtual ~DataOperator ()=default
 
virtual MoFEMErrorCode doWork (int row_side, int col_side, EntityType row_type, EntityType col_type, EntitiesFieldData::EntData &row_data, EntitiesFieldData::EntData &col_data)
 Operator for bi-linear form, usually to calculate values on left hand side.
 
virtual MoFEMErrorCode opLhs (EntitiesFieldData &row_data, EntitiesFieldData &col_data)
 
virtual MoFEMErrorCode opRhs (EntitiesFieldData &data, const bool error_if_no_base=false)
 
bool getSymm () const
 Get if operator uses symmetry of DOFs or not.
 
void setSymm ()
 set if operator is executed taking in account symmetry
 
void unSetSymm ()
 unset if operator is executed for non symmetric problem
 

Public Attributes

boost::shared_ptr< CommonDatacommonData
 
BlockDatablockData
 
boost::shared_ptr< VolumeElementForcesAndSourcesCoreOnSidesideFe
 
std::string sideFeName
 
- Public Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
char opType
 
std::string rowFieldName
 
std::string colFieldName
 
FieldSpace sPace
 
- Public Attributes inherited from MoFEM::DataOperator
DoWorkLhsHookFunType doWorkLhsHook
 
DoWorkRhsHookFunType doWorkRhsHook
 
bool sYmm
 If true assume that matrix is symmetric structure.
 
std::array< bool, MBMAXTYPE > doEntities
 If true operator is executed for entity.
 
booldoVertices
 \deprectaed If false skip vertices
 
booldoEdges
 \deprectaed If false skip edges
 
booldoQuads
 \deprectaed
 
booldoTris
 \deprectaed
 
booldoTets
 \deprectaed
 
booldoPrisms
 \deprectaed
 

Additional Inherited Members

- Public Types inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
enum  OpType {
  OPROW = 1 << 0 , OPCOL = 1 << 1 , OPROWCOL = 1 << 2 , OPSPACE = 1 << 3 ,
  OPLAST = 1 << 3
}
 Controls loop over entities on element. More...
 
using AdjCache
 
- Public Types inherited from MoFEM::DataOperator
using DoWorkLhsHookFunType
 
using DoWorkRhsHookFunType
 
- Static Public Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
static const char *const OpTypeNames []
 
- Protected Member Functions inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
- Protected Attributes inherited from MoFEM::ForcesAndSourcesCore::UserDataOperator
ForcesAndSourcesCoreptrFE
 

Detailed Description

Calculate drag traction on the fluid-solid interface.

Operator fo calculating drag traction on the fluid-solid interface

\[ \mathbf{t} = -p\mathbf{I} + \mu\left(\nabla\mathbf{u}+\mathbf{u}^{\intercal}\right) \]

Examples
NavierStokesElement.cpp.

Definition at line 519 of file NavierStokesElement.hpp.

Constructor & Destructor Documentation

◆ OpCalcDragTraction()

NavierStokesElement::OpCalcDragTraction::OpCalcDragTraction ( const string field_name,
boost::shared_ptr< VolumeElementForcesAndSourcesCoreOnSide > & side_fe,
std::string side_fe_name,
boost::shared_ptr< CommonData > & common_data,
BlockData & block_data )
inline
Examples
NavierStokesElement.hpp.

Definition at line 526 of file NavierStokesElement.hpp.

531 : FaceElementForcesAndSourcesCore::UserDataOperator(
533 sideFe(side_fe), sideFeName(side_fe_name), commonData(common_data),
534 blockData(block_data) {
535 doVertices = true;
536 doEdges = false;
537 doQuads = false;
538 doTris = false;
539 doTets = false;
540 doPrisms = false;
541 };
constexpr auto field_name
bool & doTris
\deprectaed
bool & doPrisms
\deprectaed
bool & doVertices
\deprectaed If false skip vertices
bool & doTets
\deprectaed
bool & doEdges
\deprectaed If false skip edges
bool & doQuads
\deprectaed
@ OPROW
operator doWork function is executed on FE rows
boost::shared_ptr< CommonData > commonData
boost::shared_ptr< VolumeElementForcesAndSourcesCoreOnSide > sideFe

Member Function Documentation

◆ doWork()

MoFEMErrorCode NavierStokesElement::OpCalcDragTraction::doWork ( int side,
EntityType type,
EntData & data )
virtual

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

Reimplemented from MoFEM::DataOperator.

Examples
NavierStokesElement.cpp, and NavierStokesElement.hpp.

Definition at line 778 of file NavierStokesElement.cpp.

780 {
782
783 if (type != MBVERTEX)
784 PetscFunctionReturn(0);
785
786 if (blockData.eNts.find(getNumeredEntFiniteElementPtr()->getEnt()) ==
787 blockData.eNts.end()) {
789 }
790
792
793 const int nb_gauss_pts = getGaussPts().size2();
794
795 auto t_p = getFTensor0FromVec(*commonData->pressPtr);
796 auto t_u_grad = getFTensor2FromMat<3, 3>(*commonData->gradVelPtr);
797
798 auto t_normal = getFTensor1NormalsAtGaussPts();
799
800 FTensor::Tensor1<double, 3> t_unit_normal;
801
802 FTensor::Index<'i', 3> i;
803 FTensor::Index<'j', 3> j;
804
805 commonData->pressureDragTract->resize(3, nb_gauss_pts, false);
806 commonData->pressureDragTract->clear();
807
808 commonData->shearDragTract->resize(3, nb_gauss_pts, false);
809 commonData->shearDragTract->clear();
810
811 commonData->totalDragTract->resize(3, nb_gauss_pts, false);
812 commonData->totalDragTract->clear();
813
814 auto pressure_drag_at_gauss_pts =
815 getFTensor1FromMat<3>(*commonData->pressureDragTract);
816 auto shear_drag_at_gauss_pts =
817 getFTensor1FromMat<3>(*commonData->shearDragTract);
818 auto total_drag_at_gauss_pts =
819 getFTensor1FromMat<3>(*commonData->totalDragTract);
820
821 for (int gg = 0; gg != nb_gauss_pts; gg++) {
822
823 double nrm2 = std::sqrt(t_normal(i) * t_normal(i));
824 t_unit_normal(i) = t_normal(i) / nrm2;
825
826 double mu = blockData.fluidViscosity;
827
828 pressure_drag_at_gauss_pts(i) = t_p * t_unit_normal(i);
829 shear_drag_at_gauss_pts(i) =
830 -mu * (t_u_grad(i, j) + t_u_grad(j, i)) * t_unit_normal(j);
831 total_drag_at_gauss_pts(i) =
832 pressure_drag_at_gauss_pts(i) + shear_drag_at_gauss_pts(i);
833
834 ++pressure_drag_at_gauss_pts;
835 ++shear_drag_at_gauss_pts;
836 ++total_drag_at_gauss_pts;
837 ++t_p;
838 ++t_u_grad;
839 ++t_normal;
840 }
842}
#define MoFEMFunctionReturnHot(a)
Last executable line of each PETSc function used for error handling. Replaces return()
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
#define CHKERR
Inline error check.
FTensor::Index< 'i', SPACE_DIM > i
FTensor::Index< 'j', 3 > j
FTensor::Tensor1< FTensor::PackPtr< T *, S >, Tensor_Dim > getFTensor1FromMat(ublas::matrix< T, L, A > &data)
Get tensor rank 1 (vector) form data matrix.
FTensor::Tensor2< FTensor::PackPtr< double *, 1 >, Tensor_Dim1, Tensor_Dim2 > getFTensor2FromMat(MatrixDouble &data)
Get tensor rank 2 (matrix) form data matrix.
static auto getFTensor0FromVec(ublas::vector< T, A > &data)
Get tensor rank 0 (scalar) form data vector.
MoFEMErrorCode loopSideVolumes(const string fe_name, VolumeElementForcesAndSourcesCoreOnSide &fe_method)
boost::shared_ptr< const NumeredEntFiniteElement > getNumeredEntFiniteElementPtr() const
Return raw pointer to NumeredEntFiniteElement.
MatrixDouble & getGaussPts()
matrix of integration (Gauss) points for Volume Element

Member Data Documentation

◆ blockData

BlockData& NavierStokesElement::OpCalcDragTraction::blockData
Examples
NavierStokesElement.hpp.

Definition at line 522 of file NavierStokesElement.hpp.

◆ commonData

boost::shared_ptr<CommonData> NavierStokesElement::OpCalcDragTraction::commonData
Examples
NavierStokesElement.hpp.

Definition at line 521 of file NavierStokesElement.hpp.

◆ sideFe

boost::shared_ptr<VolumeElementForcesAndSourcesCoreOnSide> NavierStokesElement::OpCalcDragTraction::sideFe
Examples
NavierStokesElement.hpp.

Definition at line 523 of file NavierStokesElement.hpp.

◆ sideFeName

std::string NavierStokesElement::OpCalcDragTraction::sideFeName
Examples
NavierStokesElement.hpp.

Definition at line 524 of file NavierStokesElement.hpp.


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