#include <TriangularFEMForceFieldOptim.h>

corotational triangle from @InProceedings{NPF05, author = "Nesme, Matthieu and Payan, Yohan and Faure, Fran\c{c}ois", title = "Efficient, Physically Plausible Finite Elements", booktitle = "Eurographics (short papers)", month = "august", year = "2005", editor = "J. Dingliana and F. Ganovelli", keywords = "animation, physical model, elasticity, finite elements", url = "http://www-evasion.imag.fr/Publications/2005/NPF05" }
Classes | |
| class | TriangleInfo |
| Class to store FEM information on each triangle, for topology modification handling. More... | |
| class | TriangleState |
Public Attributes | |
| core::topology::TriangleData< VecTriangleInfo > | d_triangleInfo |
| Internal triangle data (persistent) More... | |
| core::topology::TriangleData< VecTriangleState > | d_triangleState |
| Internal triangle data (time-dependent) More... | |
| Data< Real > | d_damping |
| Forcefield intern parameters. More... | |
| Data< Real > | d_restScale |
| Scale factor applied to rest positions (to simulate pre-stretched materials) More... | |
| Data< bool > | d_computePrincipalStress |
| Compute principal stress for each triangle. More... | |
| Data< Real > | d_stressMaxValue |
| Max stress value computed over the triangulation. More... | |
| Data< bool > | d_showStressVector |
| Display parameters. More... | |
| Data< Real > | d_showStressThreshold |
| Threshold value to render only stress vectors higher to this threshold. More... | |
Public Attributes inherited from sofa::component::solidmechanics::fem::elastic::BaseLinearElasticityFEMForceField< DataTypes > | |
| Data< VecReal > | d_poissonRatio |
| FEM Poisson Ratio in Hooke's law [0,0.5[. More... | |
| Data< VecReal > | d_youngModulus |
| FEM Young's Modulus in Hooke's law. More... | |
| SingleLink< BaseLinearElasticityFEMForceField< DataTypes >, sofa::core::topology::BaseMeshTopology, BaseLink::FLAG_STOREPATH|BaseLink::FLAG_STRONGLINK > | l_topology |
| Link to be set to the topology container in the component graph. More... | |
Public Attributes inherited from sofa::core::behavior::BaseForceField | |
| Data< SReal > | rayleighStiffness |
| Rayleigh Damping stiffness matrix coefficient. More... | |
| objectmodel::lifecycle::RemovedData | isCompliance |
| Considered as compliance, else considered as stiffness (default to false) More... | |
Public Attributes inherited from sofa::core::objectmodel::BaseObject | |
| Data< bool > | f_listening |
| if true, handle the events, otherwise ignore the events More... | |
Public Attributes inherited from sofa::core::objectmodel::Base | |
| std::vector< lifecycle::DeprecatedData * > | m_oldAttributes |
| Data< int > | d_messageLogCount |
| Data< std::string > | name |
| Name of the object. More... | |
| Data< bool > | f_printLog |
| if true, emits extra messages at runtime. More... | |
| Data< sofa::core::objectmodel::TagSet > | f_tags |
| list of the subsets the object belongs to More... | |
| Data< sofa::type::BoundingBox > | f_bbox |
| this object bounding box More... | |
| Data< sofa::core::objectmodel::ComponentState > | d_componentState |
| The state of the component among (Dirty, Valid, Undefined, Loading, Invalid). More... | |
| std::string | m_definitionSourceFileName {""} |
| int | m_definitionSourceFilePos {-1} |
| std::string | m_instanciationSourceFileName {""} |
| int | m_instanciationSourceFilePos {-1} |
Public Member Functions | |
| SOFA_CLASS (SOFA_TEMPLATE(TriangularFEMForceFieldOptim, DataTypes), SOFA_TEMPLATE(BaseLinearElasticityFEMForceField, DataTypes)) | |
| void | init () override |
| Initialization method called at graph creation and modification, during top-down traversal. More... | |
| void | reinit () override |
| Update method called when variables used in precomputation are modified. More... | |
| void | addForce (const core::MechanicalParams *mparams, DataVecDeriv &f, const DataVecCoord &x, const DataVecDeriv &v) override |
| void | addDForce (const core::MechanicalParams *mparams, DataVecDeriv &df, const DataVecDeriv &dx) override |
| void | addKToMatrix (sofa::linearalgebra::BaseMatrix *matrix, SReal kFact, unsigned int &offset) override |
| void | buildStiffnessMatrix (core::behavior::StiffnessMatrix *matrix) override |
| void | buildDampingMatrix (core::behavior::DampingMatrix *) final |
| SReal | getPotentialEnergy (const core::MechanicalParams *mparams, const DataVecCoord &x) const override |
| void | computePrincipalStress () |
| void | getTrianglePrincipalStress (Index i, Real &stressValue, Deriv &stressDirection) |
| void | computeBBox (const core::ExecParams *params, bool onlyVisible) override |
| void | draw (const core::visual::VisualParams *vparams) override |
| Render internal data of this object, for debugging purposes. More... | |
| void | parse (sofa::core::objectmodel::BaseObjectDescription *arg) override |
| Parse the given description to assign values to this object's fields and potentially other parameters. More... | |
| void | createTriangleInfo (Index triangleIndex, TriangleInfo &, const Triangle &t, const sofa::type::vector< Index > &, const sofa::type::vector< SReal > &) |
| void | createTriangleState (Index triangleIndex, TriangleState &, const Triangle &t, const sofa::type::vector< Index > &, const sofa::type::vector< SReal > &) |
| void | initTriangleInfo (Index triangleIndex, TriangleInfo &ti, const Triangle t, const VecCoord &x0) |
| void | initTriangleState (Index triangleIndex, TriangleState &ti, const Triangle t, const VecCoord &x) |
| void | computeTriangleRotation (Transformation &result, Coord eab, Coord eac) |
| void | computeTriangleRotation (Transformation &result, Coord a, Coord b, Coord c) |
| void | computeTriangleRotation (Transformation &result, VecCoord &x0, Triangle t) |
| void | getTriangleVonMisesStress (Index i, Real &stressValue) |
| void | getTrianglePrincipalStress (Index i, Real &stressValue, Deriv &stressDirection, Real &stressValue2, Deriv &stressDirection2) |
| type::fixed_array< Coord, 3 > | getRotatedInitialElement (Index elemId) |
| Public methods to access FEM information per element. Those method should not be used internally as they add check on element id. More... | |
| Transformation | getRotationMatrix (Index elemId) |
| MaterialStiffness | getMaterialStiffness (Index elemId) |
| type::Vec3 | getStrainDisplacementFactors (Index elemId) |
| Real | getTriangleFactor (Index elemId) |
Public Member Functions inherited from sofa::component::solidmechanics::fem::elastic::BaseLinearElasticityFEMForceField< DataTypes > | |
| SOFA_CLASS (SOFA_TEMPLATE(BaseLinearElasticityFEMForceField, DataTypes), SOFA_TEMPLATE(core::behavior::ForceField, DataTypes)) | |
| BaseLinearElasticityFEMForceField () | |
| void | setPoissonRatio (Real val) |
| void | setYoungModulus (Real val) |
| Real | getYoungModulusInElement (sofa::Size elementId) const |
| Real | getPoissonRatioInElement (sofa::Size elementId) const |
Public Member Functions inherited from sofa::core::behavior::ForceField< DataTypes > | |
| SOFA_CLASS2 (SOFA_TEMPLATE(ForceField, DataTypes), BaseForceField, SOFA_TEMPLATE(SingleStateAccessor, DataTypes)) | |
| void | addForce (const MechanicalParams *mparams, MultiVecDerivId fId) override |
| void | addDForce (const MechanicalParams *mparams, MultiVecDerivId dfId) override |
| virtual void | addClambda (const MechanicalParams *mparams, DataVecDeriv &df, const DataVecDeriv &lambda, SReal cFactor)=delete |
| virtual void | addClambda (const MechanicalParams *, MultiVecDerivId, MultiVecDerivId, SReal)=delete |
| Accumulate the contribution of the C compliant matrix multiplied by the given Lagrange multipliers lambda vector with the given cFactor coefficient. More... | |
| SReal | getPotentialEnergy (const MechanicalParams *mparams) const override |
| void | addKToMatrix (const MechanicalParams *mparams, const sofa::core::behavior::MultiMatrixAccessor *matrix) override |
Compute the system matrix corresponding to . More... | |
| void | addBToMatrix (const MechanicalParams *mparams, const sofa::core::behavior::MultiMatrixAccessor *matrix) override |
Compute the system matrix corresponding to . More... | |
| virtual void | addBToMatrix (sofa::linearalgebra::BaseMatrix *matrix, SReal bFact, unsigned int &offset) |
| void | addToMatrix (sofa::linearalgebra::BaseMatrix *bm, unsigned offset, const IndexArray &nodeIndex, const ElementMat &em, SReal scale) |
Public Member Functions inherited from sofa::core::behavior::BaseForceField | |
| SOFA_ABSTRACT_CLASS (BaseForceField, StateAccessor) | |
| bool | insertInNode (objectmodel::BaseNode *node) override |
| bool | removeInNode (objectmodel::BaseNode *node) override |
| virtual void | addMBKdx (const MechanicalParams *mparams, MultiVecDerivId dfId) |
| Accumulate the contribution of M, B, and/or K matrices multiplied by the dx vector with the given coefficients. More... | |
| virtual void | addMBKToMatrix (const MechanicalParams *mparams, const sofa::core::behavior::MultiMatrixAccessor *matrix) |
Compute the system matrix corresponding to . More... | |
| virtual const sofa::linearalgebra::BaseMatrix * | getComplianceMatrix (const MechanicalParams *)=delete |
| virtual void | addClambda (const MechanicalParams *, MultiVecDerivId, MultiVecDerivId, SReal)=delete |
| Accumulate the contribution of the C compliant matrix multiplied by the given Lagrange multipliers lambda vector with the given cFactor coefficient. More... | |
Public Member Functions inherited from sofa::core::behavior::StateAccessor | |
| SOFA_ABSTRACT_CLASS (StateAccessor, objectmodel::BaseObject) | |
| virtual const MultiLink< StateAccessor, BaseMechanicalState, BaseLink::FLAG_DUPLICATE >::Container & | getMechanicalStates () const |
| Return a list of mechanical states to which this component is associated. More... | |
| void | computeBBox (const core::ExecParams *params, bool onlyVisible=false) override |
Public Member Functions inherited from sofa::core::objectmodel::BaseObject | |
| SOFA_CLASS (BaseObject, Base) | |
| void | setSrc (const std::string &v, std::vector< std::string > *attributeList=nullptr) |
| Sets a source Object and parses it to collect dependent Data. More... | |
| void | setSrc (const std::string &v, const BaseObject *loader, std::vector< std::string > *attributeList=nullptr) |
| Base * | findLinkDestClass (const BaseClass *destType, const std::string &path, const BaseLink *link) override |
| virtual std::string | getPathName () const override |
| Return the full path name of this object. More... | |
| SReal | getTime () const |
| Current time. More... | |
| const BaseContext * | getContext () const |
| BaseContext * | getContext () |
| const BaseObject * | getMaster () const |
| BaseObject * | getMaster () |
| const VecSlaves & | getSlaves () const |
| BaseObject * | getSlave (const std::string &name) const |
| virtual void | addSlave (BaseObject::SPtr s) |
| virtual void | removeSlave (BaseObject::SPtr s) |
| virtual void | handleEvent (Event *) |
| Handle an event. More... | |
| virtual void | handleTopologyChange () |
| virtual void | handleTopologyChange (core::topology::Topology *t) |
| void | parse (BaseObjectDescription *arg) override |
| Parse the given description to assign values to this object's fields and potentially other parameters. More... | |
| virtual void | bwdInit () |
| Initialization method called at graph creation and modification, during bottom-up traversal. More... | |
| void | updateInternal () |
| Update method called when variables (used to compute other internal variables) are modified. More... | |
| virtual void | storeResetState () |
| Save the initial state for later uses in reset() More... | |
| virtual void | reset () |
| Reset to initial state. More... | |
| virtual void | cleanup () |
Public Member Functions inherited from sofa::core::objectmodel::Base | |
| virtual const BaseClass * | getClass () const |
| void | addDeprecatedAttribute (lifecycle::DeprecatedData *attribute) |
| void | addUpdateCallback (const std::string &name, std::initializer_list< BaseData * > inputs, std::function< sofa::core::objectmodel::ComponentState(const DataTracker &)> function, std::initializer_list< BaseData * > outputs) |
| void | addOutputsToCallback (const std::string &name, std::initializer_list< BaseData * > outputs) |
| const std::string & | getName () const |
| Accessor to the object name. More... | |
| void | setName (const std::string &n) |
| Set the name of this object. More... | |
| void | setName (const std::string &n, int counter) |
| Set the name of this object, adding an integer counter. More... | |
| std::string | getTypeName () const |
| Get the type name of this object (i.e. class and template types) More... | |
| virtual std::string | getClassName () const |
| Get the class name of this object. More... | |
| virtual std::string | getTemplateName () const final |
| Get the template type names (if any) used to instantiate this object. More... | |
| std::string | getNameSpaceName () const |
| Get the template type names (if any) used to instantiate this object. More... | |
| void | setDefinitionSourceFileName (const std::string &sourceFileName) |
| Set the source filename (where the component is implemented) More... | |
| const std::string & | getDefinitionSourceFileName () const |
| Get the source filename (where the component is implemented) More... | |
| void | setDefinitionSourceFilePos (const int) |
| Set the source location (where the component is implemented) More... | |
| int | getDefinitionSourceFilePos () const |
| Get the source location (where the component is implemented) More... | |
| void | setInstanciationSourceFileName (const std::string &sourceFileName) |
| const std::string & | getInstanciationSourceFileName () const |
| void | setInstanciationSourceFilePos (const int) |
| int | getInstanciationSourceFilePos () const |
| void | addMessage (const sofa::helper::logging::Message &m) const |
| size_t | countLoggedMessages (sofa::helper::logging::Message::TypeSet t=sofa::helper::logging::Message::AnyTypes) const |
| const std::deque< sofa::helper::logging::Message > & | getLoggedMessages () const |
| const std::string | getLoggedMessagesAsString (sofa::helper::logging::Message::TypeSet t=sofa::helper::logging::Message::AnyTypes) const |
| void | clearLoggedMessages () const |
| bool | notMuted () const |
| const sofa::core::objectmodel::TagSet & | getTags () const |
| Represents the subsets the object belongs to. More... | |
| bool | hasTag (Tag t) const |
| Return true if the object belong to the given subset. More... | |
| void | addTag (Tag t) |
| Add a subset qualification to the object. More... | |
| void | removeTag (Tag t) |
| Remove a subset qualification to the object. More... | |
| ComponentState | getComponentState () const |
| bool | isComponentStateValid () const |
| bool | isComponentStateInvalid () const |
| SOFA_ATTRIBUTE_DEPRECATED__TOBASECONSTRAINT () virtual const behavior | |
| virtual bool | parseField (const std::string &attribute, const std::string &value) |
| Assign one field value (Data or Link) More... | |
| virtual bool | hasField (const std::string &attribute) const |
| Check if a given Data field or Link exists. More... | |
| void | parseFields (const std::list< std::string > &str) |
| Assign the field values stored in the given list of name + value pairs of strings. More... | |
| virtual void | parseFields (const std::map< std::string, std::string * > &str) |
| Assign the field values stored in the given map of name -> value pairs. More... | |
| void | writeDatas (std::map< std::string, std::string * > &str)=delete |
| Write the current field values to the given map of name -> value pairs. More... | |
| void | writeDatas (std::ostream &out, const std::string &separator=" ") |
| BaseData * | findData (const std::string &name) const |
| std::vector< BaseData * > | findGlobalField (const std::string &name) const |
| Find data fields given a name: several can be found as we look into the alias map. More... | |
| BaseLink * | findLink (const std::string &name) const |
| std::vector< BaseLink * > | findLinks (const std::string &name) const |
| Find link fields given a name: several can be found as we look into the alias map. More... | |
| virtual void | updateLinks (bool logErrors=true) |
| Update pointers in case the pointed-to objects have appeared. More... | |
| template<class T > | |
| BaseData::BaseInitData | initData (::sofa::core::objectmodel::Data< T > *field, const char *name, const char *help, ::sofa::core::objectmodel::BaseData::DataFlags dataflags) |
| Helper method used to initialize a data field containing a value of type T. More... | |
| template<class T > | |
| BaseData::BaseInitData | initData (Data< T > *field, const char *name, const char *help, bool isDisplayed=true, bool isReadOnly=false) |
| Helper method used to initialize a data field containing a value of type T. More... | |
| template<class T > | |
| Data< T >::InitData | initData (Data< T > *field, const T &value, const char *name, const char *help, bool isDisplayed=true, bool isReadOnly=false) |
| Helper method used to initialize a data field containing a value of type T. More... | |
| void | addData (BaseData *f, const std::string &name) |
| void | addData (BaseData *f) |
| void | removeData (BaseData *f) |
| Remove a data field. More... | |
| void | addAlias (BaseData *field, const char *alias) |
| Add an alias to a Data. More... | |
| void | addLink (BaseLink *l) |
| Add a link. More... | |
| void | addAlias (BaseLink *link, const char *alias) |
| Add an alias to a Link. More... | |
| const VecData & | getDataFields () const |
| Accessor to the vector containing all the fields of this object. More... | |
| const MapData & | getDataAliases () const |
| Accessor to the map containing all the aliases of this object. More... | |
| const VecLink & | getLinks () const |
| Accessor to the vector containing all the fields of this object. More... | |
| const MapLink & | getLinkAliases () const |
| Accessor to the map containing all the aliases of this object. More... | |
| virtual bool | findDataLinkDest (BaseData *&ptr, const std::string &path, const BaseLink *link) |
| template<class T > | |
| bool | findLinkDest (T *&ptr, const std::string &path, const BaseLink *link) |
Public Member Functions inherited from sofa::core::behavior::SingleStateAccessor< DataTypes > | |
| SOFA_ABSTRACT_CLASS (SOFA_TEMPLATE(SingleStateAccessor, DataTypes), StateAccessor) | |
| void | init () override |
| Initialization method called at graph creation and modification, during top-down traversal. More... | |
| MechanicalState< DataTypes > * | getMState () |
| const MechanicalState< DataTypes > * | getMState () const |
Protected Member Functions | |
| TriangularFEMForceFieldOptim () | |
| ForceField API. More... | |
| virtual | ~TriangularFEMForceFieldOptim () |
Protected Member Functions inherited from sofa::component::solidmechanics::fem::elastic::BaseLinearElasticityFEMForceField< DataTypes > | |
| void | checkPoissonRatio () |
| void | checkYoungModulus () |
| Real | getVecRealInElement (sofa::Size elementId, const Data< VecReal > &data, Real defaultValue) const |
Protected Member Functions inherited from sofa::core::behavior::ForceField< DataTypes > | |
| ForceField (MechanicalState< DataTypes > *mm=nullptr) | |
| ~ForceField () override | |
Protected Member Functions inherited from sofa::core::behavior::BaseForceField | |
| BaseForceField () | |
| ~BaseForceField () override=default | |
Protected Member Functions inherited from sofa::core::behavior::StateAccessor | |
| StateAccessor () | |
| ~StateAccessor () override=default | |
Protected Member Functions inherited from sofa::core::objectmodel::BaseObject | |
| BaseObject () | |
| ~BaseObject () override | |
| virtual void | doUpdateInternal () |
| Implementation of the internal update. More... | |
| void | changeContextLink (BaseContext *before, BaseContext *&after) |
| void | changeSlavesLink (BaseObject::SPtr ptr, std::size_t, bool add) |
| This method insures that slaves objects have master and context links set correctly. More... | |
| void | trackInternalData (const BaseData &data) |
| Method called to add the Data to the DataTracker (listing the Data to track) More... | |
| void | cleanTracker () |
| bool | hasDataChanged (const BaseData &data) |
| Method called to know if a tracked Data has changed. More... | |
Protected Member Functions inherited from sofa::core::objectmodel::Base | |
| Base () | |
| virtual | ~Base () |
| void | initData0 (BaseData *field, BaseData::BaseInitData &res, const char *name, const char *help, bool isDisplayed=true, bool isReadOnly=false) |
| Helper method used by initData() More... | |
| void | initData0 (BaseData *field, BaseData::BaseInitData &res, const char *name, const char *help, BaseData::DataFlags dataFlags) |
| Helper method used by initData() More... | |
| template<class T > | |
| void | initData0 (Data< T > *field, typename Data< T >::InitData &res, const T &value, const char *name, const char *help, bool isDisplayed=true, bool isReadOnly=false) |
| Helper method used by initData() More... | |
Protected Member Functions inherited from sofa::core::IntrusiveObject | |
| virtual | ~IntrusiveObject ()=default |
Protected Member Functions inherited from sofa::core::behavior::SingleStateAccessor< DataTypes > | |
| SingleStateAccessor (MechanicalState< DataTypes > *mm=nullptr) | |
| ~SingleStateAccessor () override=default | |
Static Protected Member Functions | |
| static std::pair< Real, Real > | computeMuGamma (Real youngModulus, Real poissonRatio) |
Additional Inherited Members | |
Static Protected Attributes inherited from sofa::component::solidmechanics::fem::elastic::BaseLinearElasticityFEMForceField< DataTypes > | |
| static constexpr Real | defaultYoungModulusValue = 5000 |
| static constexpr Real | defaultPoissonRatioValue = 0.45 |
Static Public Member Functions inherited from sofa::component::solidmechanics::fem::elastic::BaseLinearElasticityFEMForceField< DataTypes > | |
| static std::pair< Real, Real > | toLameParameters (_2DMaterials, Real youngModulus, Real poissonRatio) |
| static std::pair< Real, Real > | toLameParameters (_3DMaterials, Real youngModulus, Real poissonRatio) |
Static Public Member Functions inherited from sofa::core::behavior::ForceField< DataTypes > | |
| static bool | canCreate (T *&obj, objectmodel::BaseContext *context, objectmodel::BaseObjectDescription *arg) |
| static std::string | shortName (const T *ptr=nullptr, objectmodel::BaseObjectDescription *arg=nullptr) |
Static Public Member Functions inherited from sofa::core::objectmodel::BaseObject | |
| template<class T > | |
| static bool | canCreate (T *, BaseContext *, BaseObjectDescription *) |
| Pre-construction check method called by ObjectFactory. More... | |
| template<class T > | |
| static T::SPtr | create (T *, BaseContext *context, BaseObjectDescription *arg) |
| Construction method called by ObjectFactory. More... | |
Static Public Member Functions inherited from sofa::core::objectmodel::Base | |
| static const BaseClass * | GetClass () |
| template<class T > | |
| static std::string | shortName (const T *ptr=nullptr, BaseObjectDescription *=nullptr) |
| Data<bool> sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::d_computePrincipalStress |
Compute principal stress for each triangle.
| Data<Real> sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::d_damping |
Forcefield intern parameters.
Ratio damping/stiffness
| Data<Real> sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::d_restScale |
Scale factor applied to rest positions (to simulate pre-stretched materials)
| Data<Real> sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::d_showStressThreshold |
Threshold value to render only stress vectors higher to this threshold.
| Data<bool> sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::d_showStressVector |
Display parameters.
Flag activating rendering of stress directions within each triangle
| Data<Real> sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::d_stressMaxValue |
Max stress value computed over the triangulation.
| core::topology::TriangleData<VecTriangleInfo> sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::d_triangleInfo |
Internal triangle data (persistent)
| core::topology::TriangleData<VecTriangleState> sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::d_triangleState |
Internal triangle data (time-dependent)
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protected |
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protected |
ForceField API.
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protectedvirtual |
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overridevirtual |
Internal addDForce Overloaded function, usually called from the generic addDForce version. This addDForce version directly gives access to df and dx vectors through its parameters.
| mparams | |
| df | Output vector to fill, result of |
| dx | Input vector used to compute |
Implements sofa::core::behavior::ForceField< DataTypes >.
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overridevirtual |
Given the current position and velocity states, update the current force vector by computing and adding the forces associated with this ForceField.
If the ForceField can be represented as a matrix, this method computes 
This is the method that should be implemented by the component
Implements sofa::core::behavior::ForceField< DataTypes >.
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overridevirtual |
Internal addKToMatrix Overloaded function, usually called from the generic addKToMatrix version. This addKToMatrix version directly gives access to the matrix to fill, the stiffness factor and the offset used to identify where the force field must add its contributions in the matrix.
| matrix | the global stiffness matrix in which the force field adds its contribution. The matrix is global, i.e. different objects can add their contribution into the same large matrix. Each object adds its contribution to a different section of the matrix. That is why, an offset is used to identify where in the matrix the force field must start adding its contribution. |
| kFact | stiffness factor that needs to be multiplied to each matrix entry. |
| offset | Starting index of the submatrix to fill in the global matrix. |
Reimplemented from sofa::core::behavior::ForceField< DataTypes >.
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finalvirtual |
Reimplemented from sofa::core::behavior::BaseForceField.
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overridevirtual |
Reimplemented from sofa::core::behavior::BaseForceField.
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overridevirtual |
Bounding Box computation method. Default to empty method.
Reimplemented from sofa::core::objectmodel::BaseObject.
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staticprotected |
| void sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::computePrincipalStress |
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inline |
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inline |
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inline |
| void sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::createTriangleInfo | ( | Index | triangleIndex, |
| TriangleInfo & | ti, | ||
| const Triangle & | t, | ||
| const sofa::type::vector< Index > & | , | ||
| const sofa::type::vector< SReal > & | |||
| ) |
Method to create
| void sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::createTriangleState | ( | Index | triangleIndex, |
| TriangleState & | ti, | ||
| const Triangle & | t, | ||
| const sofa::type::vector< Index > & | , | ||
| const sofa::type::vector< SReal > & | |||
| ) |
Method to create
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overridevirtual |
Render internal data of this object, for debugging purposes.
Reimplemented from sofa::core::objectmodel::BaseObject.
| TriangularFEMForceFieldOptim< DataTypes >::MaterialStiffness sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::getMaterialStiffness | ( | Index | elemId | ) |
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overridevirtual |
Implements sofa::core::behavior::ForceField< DataTypes >.
| type::fixed_array< typename TriangularFEMForceFieldOptim< DataTypes >::Coord, 3 > sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::getRotatedInitialElement | ( | Index | elemId | ) |
Public methods to access FEM information per element. Those method should not be used internally as they add check on element id.
| TriangularFEMForceFieldOptim< DataTypes >::Transformation sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::getRotationMatrix | ( | Index | elemId | ) |
| sofa::type::Vec3 sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::getStrainDisplacementFactors | ( | Index | elemId | ) |
| TriangularFEMForceFieldOptim< DataTypes >::Real sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::getTriangleFactor | ( | Index | elemId | ) |
| void sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::getTrianglePrincipalStress | ( | Index | i, |
| Real & | stressValue, | ||
| Deriv & | stressDirection | ||
| ) |
| void sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::getTrianglePrincipalStress | ( | Index | i, |
| Real & | stressValue, | ||
| Deriv & | stressDirection, | ||
| Real & | stressValue2, | ||
| Deriv & | stressDirection2 | ||
| ) |
| void sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::getTriangleVonMisesStress | ( | Index | i, |
| Real & | stressValue | ||
| ) |
|
overridevirtual |
Initialization method called at graph creation and modification, during top-down traversal.
Reimplemented from sofa::component::solidmechanics::fem::elastic::BaseLinearElasticityFEMForceField< DataTypes >.
| void sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::initTriangleInfo | ( | Index | triangleIndex, |
| TriangleInfo & | ti, | ||
| const Triangle | t, | ||
| const VecCoord & | x0 | ||
| ) |
| void sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::initTriangleState | ( | Index | triangleIndex, |
| TriangleState & | ti, | ||
| const Triangle | t, | ||
| const VecCoord & | x | ||
| ) |
|
overridevirtual |
Parse the given description to assign values to this object's fields and potentially other parameters.
Reimplemented from sofa::core::objectmodel::Base.
|
overridevirtual |
Update method called when variables used in precomputation are modified.
Reimplemented from sofa::core::objectmodel::BaseObject.
| sofa::component::solidmechanics::fem::elastic::TriangularFEMForceFieldOptim< DataTypes >::SOFA_CLASS | ( | SOFA_TEMPLATE(TriangularFEMForceFieldOptim< DataTypes >, DataTypes) | , |
| SOFA_TEMPLATE(BaseLinearElasticityFEMForceField, DataTypes) | |||
| ) |