MechanicalFemPhysics
The GeMA Mechanical FEM Physics Plugin
Public Types | Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
GmpMechanicalLargeDisplacementSolid Class Referenceabstract

Basic class for the mechanical physics plugin object. More...

#include <gmpMechanicalLargeDisplacementSolid.h>

Inheritance diagram for GmpMechanicalLargeDisplacementSolid:
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Public Types

enum  PhysicsAttributeIds { REFERENCE_LD_ID = GmpMechanicalSolid::NUM_ATTRI_IDS, NUM_ATTRI_IDS }
 IDs for physics attributes. More...
 
- Public Types inherited from GmpMechanicalPhysics
enum  PhysicsAttributeIds {
  ISOPARAMETRIC_ID, STRESS_MODE_ID, STRAIN_MODE_ID, P_STRAIN_MODE_ID,
  BODY_FORCE_ID, CGRAV_ID, GEOMETRIC_ID, RF_MODE_ID,
  RMAPPINGINFO_ID, K0MODE_ID, STRAIN_RESET_ID, CONTACT_ID,
  NUM_ATTRI_IDS
}
 IDs for physics attributes. More...
 
enum  StateVarIds { U_ID, NUM_STATEVAR_IDS }
 IDs for Mechanical physics state vars. More...
 
enum  ExternalLoadsIds { PRESSURE_ID, THERMAL_ID, NUM_EXTLOADS_IDS }
 IDs for Mechanical physics state vars. More...
 
enum  NodeAttributeIds {
  S_NA_ID, E_NA_ID, RF_NA_ID, CF_NA_ID,
  CD_NA_ID, CIV_NA_ID, CIVOLD_NA_ID, NUM_NA_IDS
}
 IDs for physics node attributes. More...
 
enum  GaussAttributeIds {
  S_GA_ID, SOLD_GA_ID, RS_GA_ID, E_GA_ID,
  EOLD_GA_ID, YSR_GA_ID, YSROLD_GA_ID, ST_GA_ID,
  STOLD_GA_ID, ITER_GA_ID, ITEROLD_GA_ID, SUBSTEP_GA_ID,
  SUBSTEPOLD_GA_ID, LINESEARCH_GA_ID, LINESEARCHOLD_GA_ID, NUM_GA_IDS
}
 IDs for physics Gauss attributes. More...
 
enum  ElementPropertyIds {
  THICKNESS_ID, BF_ID, GRAV_ID, DENS_ID,
  DENSB_ID, NUM_PROPER_IDS
}
 IDs for physics element properties. More...
 
enum  BoundaryConditionIds {
  FIXED_U_BC_ID, FIXED_CF_BC_ID, PL_BC_ID, HL_BC_ID,
  WP_BC_ID, NUM_BC_IDS
}
 IDs for accepted boundary condition types. More...
 
enum  BoundaryConditionValueIds {
  BC_UX_ID, BC_UY_ID, BC_UZ_ID, BC_CF_ID,
  BC_PL_ID, BC_HLR_ID, BC_HL_ID, BC_NRL_ID,
  BC_SWF_ID, NUM_BCV_IDS
}
 IDs for property values from accepted boundary condition types. More...
 
enum  ContactBCIds { LOCAL_CBC_ID, GLOBAL_CBC_ID, NUM_CBC_IDS }
 IDs for accepted contact boundary conditions. More...
 
enum  ContactBCValueIds { CBC_KCN_ID, CBC_KSN_ID, CBC_MU_ID, NUM_CBCV_IDS }
 IDs for property values from accepted Contact boundary condition (CBC) More...
 

Public Member Functions

 GmpMechanicalLargeDisplacementSolid (const char *pluginType, GmSimulationData *simulation, QString id, QString description, const GmpFemPhysicsCommonMaterialFactory *matFactory, const GmLogCategory &logger)
 Constructor. Will be called by the plugin loading code.
 
virtual ~GmpMechanicalLargeDisplacementSolid ()
 Destructor.
 
virtual const QVariantMap * physicsMetaDataMap ()
 Returns a reference for the single mechanical physics attribute map, built when the function is called for the first time.
 
virtual FemResultType fillElementData (const GmElement *e, GmpFemMatrixSet &elemMatrices, GmpFemVectorSet &elemVectors)
 Fills the element matrices and vectors for a generic elements.
 
virtual double fillBuMatrix (const GmElement *e, const GmShape *shape, const GmVector &ncoord, const GmMatrix &X, const GmVector &N, const GmMatrix &J, GmMatrix &Bu)
 Fills the matrix with cartesian partial derivatives Bu using the provided shape function and returns the scaled jacobian determinant.
 
virtual double fillBuMatrix (const GmElement *e, const GmShape *shape, const GmVector &ncoord, const GmMatrix &X, const GmVector &N, const GmMatrix &J, GmMatrix &Bu, const GmMatrix &F)=0
 Fills the Bu strain- displacement matrix for large displacements.
 
virtual void fillBnlMatrix (const GmElement *e, const GmShape *shape, const GmVector &ncoord, const GmMatrix &X, const GmVector &N, const GmMatrix &J, GmMatrix &Bnl, const GmMatrix &F)=0
 Fills the Bnl strain- displacement matrix for large displacements.
 
virtual bool DeformationGradient (const GmElement *e, const GmMatrix &X0, const GmMatrix &Xt, const GmVector &N, const GmMatrix &J0, const GmMatrix &Jt, GmMatrix &F)=0
 Fills the F deformation gradient matrix.
 
- Public Member Functions inherited from GmpMechanicalSolid
 GmpMechanicalSolid (const char *pluginType, GmSimulationData *simulation, QString id, QString description, const GmpFemPhysicsCommonMaterialFactory *matFactory, const GmLogCategory &logger)
 Constructor. Will be called by the plugin loading code.
 
virtual ~GmpMechanicalSolid ()
 Destructor.
 
virtual bool beforeElementStiffnessLoop (const GmpFemMatrixSet &elemMatrices, const GmpFemVectorSet &elemVectors)
 
virtual void fillBodyForce (const GmElement *e, const GmVector *coord, int ip, GmVector &BFc, GmVector &N, double c)
 
virtual void gravityForce (const GmElement *e, const GmVector *coord, int ip, GmVector &Fext_u, GmVector &N, double c)
 
virtual bool calcDerivedResults (bool nonLinearSolver)
 Calc stress component on nodes and/or Gauss points, ADDING the calculated value to the current result.
 
virtual bool checkLoadedData ()
 Checks the loaded data.
 
virtual bool addStateItemsToGroup (GmStateDump *state, bool fixedHint, int groupId)
 
- Public Member Functions inherited from GmpMechanicalPhysics
 GmpMechanicalPhysics (const char *pluginType, GmSimulationData *simulation, QString id, QString description, const GmpFemPhysicsCommonMaterialFactory *matFactory, const GmLogCategory &logger)
 Constructor. Will be called by the plugin loading code.
 
virtual ~GmpMechanicalPhysics ()
 Destructor.
 
virtual const char * pluginName () const
 
virtual const char * pluginType () const
 
virtual bool supportsStateDumping ()
 
virtual unsigned stress_state (void)
 Returns the number of stress components. More...
 
virtual bool fixedNodalForcesBc (QList< int > &nodes, QList< int > &dof, QList< double > &values) const
 See comments on base class. Fills vectors with prescribed nodal concentrated forces.
 
virtual bool fixedNodalDofsBc (QList< int > &nodes, QList< int > &dof, QList< double > &values, bool *constantValues) const
 See comments on base class. Fills vectors with prescribed node displacements.
 
virtual FemResultType fillElementDataForBc (const GmElement *e, const GmBoundaryCondition *bc, int bcIndex, int bcListIndex, int border, GmpFemMatrixSet &elemMatrices, GmpFemVectorSet &elemVectors)
 Fills the element stiffness matrix elemK and/or the force vector elemF for element 'e', taking into account pressure load and/or point generation boundary conditions, as indicated by the bc parameter. More...
 
virtual FemResultType fillElementDataForLoads (const GmElement *e, int loadId, GmpFemVectorSet &elemVectors)
 
virtual FemResultType fillElementDataPressBc (const GmElement *e, const GmBoundaryCondition *bc, int bcIndex, int bcListIndex, int border, GmMatrix &elemMat, GmVector &elemVec)
 calc nodal equivalent force vector due uniforme pressure load.
 
virtual FemResultType fillElementDataHydPressBc (const GmElement *e, const GmBoundaryCondition *bc, int bcIndex, int bcListIndex, int border, GmMatrix &elemMat, GmVector &elemVec)
 calc nodal equivalent force vector due hydraulic pressure load. Information is provided from two vertical reference coordinates with the respective
 
virtual FemResultType fillElementDataWaterSheepPressBc (const GmElement *e, const GmBoundaryCondition *bc, int bcIndex, int bcListIndex, int border, GmMatrix &elemMat, GmVector &elemVec)
 calc nodal equivalent force vector due water sheet pressure load. Information is provided from reference coordinates to level of water with the respective
 
virtual FemResultType fillContactData (const GmContactBoundaryCondition *cbc, int bcIndex1, int bcIndex2, GmMatrixDof &dofMap, GmpFemMatrixSet &matrixSet, GmpFemVectorSet &vecSet)
 Fills the contact boundary contribution. More...
 
virtual bool calcMaterialDerivedResults () const
 The virtual function used by calcDerivedResults() to effectively calculate gauss attributes required by the Material.
 
void fillElementDisplacements (const GmElement *e, GmVector &ue)
 Given an element, fills the vector 'ue' with nodal displacements. The vector should have size equal to n * d where n is the number of element nodes and d is the node dimension. More...
 
virtual void fillMiddleCoordinates (const GmElement *e, GmMatrix Xnode, GmMatrix &MX) const
 
virtual double axisymmetricFactor (const GmElement *e, const GmMatrix &X, const GmVector &N)
 Returns the factor that should be applied when using axis symetric elements. 1.0 for other etypes.
 
virtual bool isPlaneStress ()
 Returns the factor that should be applied when using axis symetric elements. 1.0 for other etypes.
 
virtual bool isAxisymmetric ()
 Returns TRUE only for axisymmetric models.
 
GmpMechanicPointmechanicPoint ()
 Returns the physics mechanical material point.
 
GmMatrixdep ()
 Returns a reference to the physics constitutive tangent matrix.
 
virtual GmVector timeSim () const
 Returns the simulation time used by the simulation. More...
 

Protected Member Functions

virtual bool checkAndLoadAttributeAccessors (LuaTable &nodeTable, LuaTable &gaussTable)
 Reimplementation of the common function to init the _mechanicPoint structure.
 
void GreenLagrangeStrain (const GmMatrix &F, GmVector &Ev, unsigned sc)
 returns the lagrangian strains.
 
void EulerAlmansiStrain (const GmMatrix &F, GmVector &ev, unsigned sc)
 returns the Almansi strains.
 
void LogarithmStrain (const GmMatrix &F, GmVector &elog, unsigned sc)
 returns the logarithm strains.
 
void NLStressStateMatrix (const GmVector &S, GmMatrix &SvM, const GmMatrix &F, int d)
 construction of the element stresses matrix form for geometric stiffness
 
void CauchyStress (const GmVector &S, GmVector &sv, const GmMatrix &F, int d)
 
- Protected Member Functions inherited from GmpMechanicalSolid
virtual void calcElementDerivedResultAtPoints (const GmElement *e, int resultId, const GmMatrix &evalPoints, bool evalAtIp, GmMatrix &result)
 The virtual function used by calcDerivedResults() to effectivelly calculate stresses at the given evaluation points. More...
 
virtual void calcElementResetStrains (const GmElement *e)
 The virtual function used by calcDerivedResults() to effectivelly calculate strain reset to zero. When the displacement are defined as zero, the deformation must also be made zero.
 
virtual bool setInitialConditions ()
 Sets the initial conditionrequired by interface elements.
 
virtual bool updatesReturnMappingInfo ()
 Updates the number of iteration and substeps of return mapping algorithm.
 
virtual bool calcMaterialDerivedResults ()
 The virtual function used by calcDerivedResults() to effectively calculate gauss attributes defined by Material.
 

Protected Attributes

GmMatrix _F
 Deformation gradient.
 
- Protected Attributes inherited from GmpMechanicalPhysics
GmpMechanicalContact _mecContact
 Object with general contact methods.
 
GmpMechanicPoint_mechanicPoint
 Access to mechanical material point.
 
GmMatrix _Dep
 Constitutive tangent matrix (2 x 2)
 
bool _setInitialCond
 Sets the initial conditions required by the physics.
 

Detailed Description

Basic class for the mechanical physics plugin object.

Member Enumeration Documentation

◆ PhysicsAttributeIds

IDs for physics attributes.

Enumerator
REFERENCE_LD_ID 

Id for retrieving the reference large displacement physics attribute.

NUM_ATTRI_IDS 

The number of physics attribute ids above.


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