Generic finite element node with 9 degrees of freedom representing curvature.
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| ChNodeFEAcurv (const ChVector3d &rxx=VNULL, const ChVector3d &ryy=VNULL, const ChVector3d &rzz=VNULL) |
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| ChNodeFEAcurv (const ChNodeFEAcurv &other) |
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ChNodeFEAcurv & | operator= (const ChNodeFEAcurv &other) |
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void | SetCurvatureXX (const ChVector3d &rxx) |
| Set the xx 2nd derivative of position vector.
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const ChVector3d & | GetCurvatureXX () const |
| Get the xx 2nd derivative of position vector.
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void | SetCurvatureYY (const ChVector3d &ryy) |
| Set the yy 2nd derivative of position vector.
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const ChVector3d & | GetCurvatureYY () const |
| Get the yy 2nd derivative of position vector.
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void | SetCurvatureZZ (const ChVector3d &rzz) |
| Set the zz 2nd derivative of position vector.
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const ChVector3d & | GetCurvatureZZ () const |
| Get the zz 2nd derivative of position vector.
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void | SetCurvatureXX_dt (const ChVector3d &rxx_dt) |
| Set the time derivative of the xx 2nd derivative of position vector.
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const ChVector3d & | GetCurvatureXX_dt () const |
| Get the time derivative of the xx 2nd derivative of position vector.
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void | SetCurvatureYY_dt (const ChVector3d &ryy_dt) |
| Set the time derivative of the yy 2nd derivative of position vector.
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const ChVector3d & | GetCurvatureYY_dt () const |
| Get the time derivative of the yy 2nd derivative of position vector.
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void | SetCurvatureZZ_dt (const ChVector3d &rzz_dt) |
| Set the time derivative of the zz 2nd derivative of position vector.
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const ChVector3d & | GetCurvatureZZ_dt () const |
| Get the time derivative of the zz 2nd derivative of position vector.
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ChVectorDynamic & | GetMassDiagonal () |
| Get mass of the node. / TODO is this even meaningful/needed for this type of node?
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void | SetMass (double mass) |
| Set mass of the node. / TODO is this even meaningful/needed for this type of node?
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ChVariables & | Variables () |
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virtual void | Relax () override |
| Reset the 2nd derivatives of position vector and their time derivatives.
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virtual void | ForceToRest () override |
| Reset to no speed and acceleration.
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virtual void | SetFixed (bool fixed) override |
| Fix/release this node.
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virtual bool | IsFixed () const override |
| Return true if the node is fixed (i.e., its state variables are not changed by the solver).
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virtual unsigned int | GetNumCoordsPosLevel () const override |
| Get the number of degrees of freedom.
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virtual unsigned int | GetNumCoordsVelLevel () const override |
| Get the number of degrees of freedom, derivative.
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virtual void | ArchiveOut (ChArchiveOut &archive_out) override |
| Method to allow serialization of transient data to archives.
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virtual void | ArchiveIn (ChArchiveIn &archive_in) override |
| Method to allow de-serialization of transient data from archives.
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virtual void | NodeIntStateGather (const unsigned int off_x, ChState &x, const unsigned int off_v, ChStateDelta &v, double &T) override |
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virtual void | NodeIntStateScatter (const unsigned int off_x, const ChState &x, const unsigned int off_v, const ChStateDelta &v, const double T) override |
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virtual void | NodeIntStateGatherAcceleration (const unsigned int off_a, ChStateDelta &a) override |
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virtual void | NodeIntStateScatterAcceleration (const unsigned int off_a, const ChStateDelta &a) override |
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virtual void | NodeIntStateIncrement (const unsigned int off_x, ChState &x_new, const ChState &x, const unsigned int off_v, const ChStateDelta &Dv) override |
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virtual void | NodeIntStateGetIncrement (const unsigned int off_x, const ChState &x_new, const ChState &x, const unsigned int off_v, ChStateDelta &Dv) override |
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virtual void | NodeIntLoadResidual_F (const unsigned int off, ChVectorDynamic<> &R, const double c) override |
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virtual void | NodeIntLoadResidual_Mv (const unsigned int off, ChVectorDynamic<> &R, const ChVectorDynamic<> &w, const double c) override |
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virtual void | NodeIntLoadLumpedMass_Md (const unsigned int off, ChVectorDynamic<> &Md, double &error, const double c) override |
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virtual void | NodeIntToDescriptor (const unsigned int off_v, const ChStateDelta &v, const ChVectorDynamic<> &R) override |
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virtual void | NodeIntFromDescriptor (const unsigned int off_v, ChStateDelta &v) override |
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virtual void | InjectVariables (ChSystemDescriptor &descriptor) override |
| Register with the given system descriptor any ChVariable objects associated with this item.
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virtual void | VariablesFbReset () override |
| Set the 'fb' part (the known term) of the encapsulated ChVariables to zero.
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virtual void | VariablesFbLoadForces (double factor=1) override |
| Add the current forces (applied to node) into the encapsulated ChVariables.
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virtual void | VariablesQbLoadSpeed () override |
| Initialize the 'qb' part of the ChVariables with the current value of speeds.
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virtual void | VariablesQbSetSpeed (double step=0) override |
| Fetch the item speed (ex.
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virtual void | VariablesFbIncrementMq () override |
| Add M*q (masses multiplied current 'qb') to Fb, ex.
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virtual void | VariablesQbIncrementPosition (double step) override |
| Increment node positions by the 'qb' part of the ChVariables, multiplied by a 'step' factor.
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virtual void | SetIndex (unsigned int mindex) |
| Sets the global index of the node.
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virtual unsigned int | GetIndex () |
| Gets the global index of the node.
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virtual void | SetupInitial (ChSystem *system) |
| Initial setup.
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| ChNodeBase (const ChNodeBase &other) |
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ChNodeBase & | operator= (const ChNodeBase &other) |
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virtual unsigned int | GetNumCoordsPosLevelActive () const |
| Get the actual number of active degrees of freedom.
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virtual unsigned int | GetNumCoordsVelLevelActive () const |
| Get the actual number of active degrees of freedom, derivative.
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virtual bool | IsAllCoordsActive () const |
| Return true if all node DOFs are active (no node variable is fixed).
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unsigned int | NodeGetOffsetPosLevel () |
| Get offset in the state vector (position part).
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unsigned int | NodeGetOffsetVelLevel () |
| Get offset in the state vector (speed part).
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void | NodeSetOffsetPosLevel (const unsigned int moff) |
| Set offset in the state vector (position part).
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void | NodeSetOffsetVelLevel (const unsigned int moff) |
| Set offset in the state vector (speed part).
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