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integration_scheme.hh
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/**
* @file integration_scheme.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Wed Jan 31 2018
*
* @brief This class is just a base class for the integration schemes
*
* @section LICENSE
*
* Copyright (©) 2010-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "parsable.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_INTEGRATION_SCHEME_HH__
#define __AKANTU_INTEGRATION_SCHEME_HH__
namespace akantu {
class DOFManager;
}
namespace akantu {
class IntegrationScheme : public Parsable {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
enum SolutionType {
_not_defined = -1,
_displacement = 0,
_temperature = 0,
_velocity = 1,
_temperature_rate = 1,
_acceleration = 2,
};
IntegrationScheme(DOFManager & dof_manager, const ID & dof_id, UInt order);
~IntegrationScheme() override = default;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// generic interface of a predictor
virtual void predictor(Real delta_t) = 0;
/// generic interface of a corrector
virtual void corrector(const SolutionType & type, Real delta_t) = 0;
/// assemble the jacobian matrix
virtual void assembleJacobian(const SolutionType & type, Real delta_t) = 0;
/// assemble the residual
virtual void assembleResidual(bool is_lumped) = 0;
/// returns a list of needed matrices
virtual std::vector<std::string> getNeededMatrixList() = 0;
/// store dofs info (beginning of steps)
virtual void store();
/// restore dofs (solve failed)
virtual void restore();
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// return the order of the integration scheme
UInt getOrder() const;
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// The underlying DOFManager
DOFManager & dof_manager;
/// The id of the dof treated by this integration scheme.
ID dof_id;
/// The order of the integrator
UInt order;
/// last release of M matrix
UInt m_release{UInt(-1)};
/// stores the values at begining of solve
std::vector<std::unique_ptr<Array<Real>>> u_store;
};
/* -------------------------------------------------------------------------- */
// std::ostream & operator<<(std::ostream & stream,
// const IntegrationScheme::SolutionType & type);
std::istream & operator>>(std::istream & stream,
IntegrationScheme::SolutionType & type);
/* -------------------------------------------------------------------------- */
} // namespace akantu
#endif /* __AKANTU_INTEGRATION_SCHEME_HH__ */

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