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nonlinear_beam_model.hh
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Wed, Nov 6, 14:31

nonlinear_beam_model.hh
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#include "data_accessor.hh"
#include "boundary_condition.hh"
#include "fe_engine.hh"
#include "model.hh"
#include <array>
#ifndef AKANTU_NONLINEAR_BEAM_MODEL_HH_
#define AKANTU_NONLINEAR_BEAM_MODEL_HH_
namespace akantu {
class Material;
class MaterialSelector;
class DumperIOHelper;
template <ElementKind kind, class IntegrationOrderFunctor>
class IntegratorGauss;
template <ElementKind kind> class ShapeLagrange;
} // namespace akantu
namespace akantu {
class NonlinearBeamModel : public Model,
public DataAccessor<Element>,
public DataAccessor<UInt> {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
using FEEngineType = FEEngineTemplate<IntegratorGauss, ShapeLagrange>;
NonlinearBeamModel(Mesh & mesh, UInt dim = _all_dimensions,
const ID & id = "nonlinear_beam_model",
std::shared_ptr<DOFManager> dof_manager = nullptr);
~NonlinearBeamModel() override;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
protected:
/// generic function to initialize everything ready for explicit dynamics
void initFullImpl(const ModelOptions & options) override;
/// read one material file to instantiate all the materials
void readMaterials();
/// allocate all vectors
void initSolver(TimeStepSolverType, NonLinearSolverType) override;
/// initialize the model
void initModel() override;
//void predictor() override;
void assembleResidual() override;
/// get the type of matrix needed
MatrixType getMatrixType(const ID & matrix_id) const override;
/// callback to assemble a lumped Matrix
void assembleLumpedMatrix(const ID & matrix_id) override;
/// callback to assemble a Matrix
void assembleMatrix(const ID & matrix_id) override;
std::tuple<ID, TimeStepSolverType>
getDefaultSolverID(const AnalysisMethod & method) override;
ModelSolverOptions
getDefaultSolverOptions(const TimeStepSolverType & type) const override;
TimeStepSolverType
getDefaultSolverType() const override;
void N_matrix(Array<Real> &Ns);
void N_rotator_matrix(Array<Real> &N_rot_mat);
void N_grad_matrix(Array<Real> &dNs);
void B_matrix(Array<Real> B_mat);
void get_rotation_matrix(Array<Real> L, bool origin = false);
void interpolate(Array<Real> &field, Array<Real> &interField);
void grad_interpolate(Array<Real> &field, Array<Real> &interField);
void computeStrains(Array<Real> strains, bool origin);
void assembleInternalForces();
void assembleMass();
void assembleStiffnessMatrix();
void assembleMassLumped();
/* ------------------------------------------------------------------------ */
/* Methods for explicit */
/* ------------------------------------------------------------------------ */
public:
/// compute and get the stable time step
//Real getStableTimeStep();
/// set the stable timestep
void setTimeStep(Real time_step, const ID & solver_id = "") override;
///RAJOUTER DES FUNCTION POUR LE CALCUL EXPLICIT
/* ------------------------------------------------------------------------ */
/* Dumpable interface */
/* ------------------------------------------------------------------------ */
public:
/*
std::shared_ptr<dumpers::Field>
createNodalFieldReal(const std::string & field_name,
const std::string & group_name,
bool padding_flag) override;
std::shared_ptr<dumpers::Field>
createNodalFieldBool(const std::string & field_name,
const std::string & group_name,
bool padding_flag) override;
std::shared_ptr<dumpers::Field>
createElementalField(const std::string & field_name,
const std::string & group_name, bool padding_flag,
UInt spatial_dimension, ElementKind kind) override;
*/
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// get the current value of the time step
AKANTU_GET_MACRO(TimeStep, time_step, Real);
/// get the density value
AKANTU_GET_MACRO(Density, density, Real);
/// get the value of the Young Modulus
AKANTU_GET_MACRO(E, E, Real);
/// get the value of the Poisson ratio
AKANTU_GET_MACRO(Nu, nu, Real);
/// get the value of the section area
AKANTU_GET_MACRO(A, A, Real);
/// get the Inertia
AKANTU_GET_MACRO(J_11, J_11, Real);
AKANTU_GET_MACRO(J_22, J_22, Real);
AKANTU_GET_MACRO(J_33, J_33, Real);
AKANTU_GET_MACRO(J_12, J_12, Real);
AKANTU_GET_MACRO(J_13, J_13, Real);
AKANTU_GET_MACRO(J_23, J_23, Real);
/// get the NonlinearBeamModel::linear_angular_displacement array
AKANTU_GET_MACRO_DEREF_PTR_NOT_CONST(Linear_Angular_Displacement, linear_angular_displacement);
/// get the NonlinearBeamModel::linear_angular_displacement array
AKANTU_GET_MACRO_DEREF_PTR(Linear_Angular_Displacement, linear_angular_displacement);
/// get the NonlinearBeamModel::linear_angular_velocity array
AKANTU_GET_MACRO_DEREF_PTR_NOT_CONST(Linear_Angular_Velocity, linear_angular_velocity);
/// get the NonlinearBeamModel::linear_angular_velocity array
AKANTU_GET_MACRO_DEREF_PTR(Linear_Angular_Velocity, linear_angular_velocity);
/// get the NonlinearBeamModel::linear_angular_acceleration array
AKANTU_GET_MACRO_DEREF_PTR_NOT_CONST(Linear_Angular_Acceleration, linear_angular_acceleration);
/// get the NonlinearBeamModel::linear_angular_acceleration array
AKANTU_GET_MACRO_DEREF_PTR(Linear_Angular_Acceleration, linear_angular_acceleration);
/// get the NonlinearBeamModel::external_force_torque array
AKANTU_GET_MACRO_DEREF_PTR_NOT_CONST(ExternalForceTorque, external_force_torque);
/// get the NonlinearBeamModel::external_force_torque array
AKANTU_GET_MACRO_DEREF_PTR(ExternalForceTorque, external_force_torque);
/// get the NonlinearBeamModel::internal_force_torque array
AKANTU_GET_MACRO_DEREF_PTR_NOT_CONST(InternalForceTorque, internal_force_torque);
/// get the NonlinearBeamModel::internal_force_torque array
AKANTU_GET_MACRO_DEREF_PTR(InternalForceTorque, internal_force_torque);
/// get the NonlinearBeamModel::blocked_dofs array
AKANTU_GET_MACRO_DEREF_PTR_NOT_CONST(BlockedDOFs, blocked_dofs);
/// get the NonlinearBeamModel::blocked_dofs array
AKANTU_GET_MACRO_DEREF_PTR(BlockedDOFs, blocked_dofs);
/// get the NonlinearBeamModel::initial_angle array
AKANTU_GET_MACRO_DEREF_PTR_NOT_CONST(Initial_Angle, initial_angle);
/// get the NonlinearBeamModel::initial_angle array
AKANTU_GET_MACRO_DEREF_PTR(Initial_Angle, initial_angle);
protected:
/* ------------------------------------------------------------------------ */
FEEngine & getFEEngineBoundary(const ID & name = "") override;
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
Array<Real> Ns;
Array<Real> dNs;
ElementType type;
/// time step
Real time_step;
/// the density
Real density;
/// Young modulus
Real E;
/// poisson Ratio
Real nu;
/// Section Area
Real A;
/// Inertia
Real J_11;
Real J_22;
Real J_33;
Real J_12;
Real J_13;
Real J_23;
/// linear and angular displacement array
std::unique_ptr<Array<Real>> linear_angular_displacement;
/// linear and angular velocity array
std::unique_ptr<Array<Real>> linear_angular_velocity;
/// linear and angular acceleration array
std::unique_ptr<Array<Real>> linear_angular_acceleration;
/// external force and torque array
std::unique_ptr<Array<Real>> external_force_torque;
/// internal force and torque array
std::unique_ptr<Array<Real>> internal_force_torque;
/// blocked dofs array
std::unique_ptr<Array<bool>> blocked_dofs;
/// initial angle
std::unique_ptr<Array<Real>> initial_angle;
};
} // namespace akantu
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#endif /* AKANTU_NONLINEAR_BEAM_MODEL_HH_ */

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