Homec4science
Diffusion akantu (features/34-poisson-solver-with-multiple-dofs) Browse

rAKA/src/model/dof_manager_petsc.hh
5020f0033654features/34-poisson…

Last Change
Raw File

dof_manager_petsc.hh
View Options

/**
* @file dof_manager_petsc.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date Tue Aug 11 14:06:18 2015
*
* @brief PETSc implementation of the dof manager
*
* @section LICENSE
*
* Copyright (©) 2010-2011 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 "dof_manager.hh"
/* -------------------------------------------------------------------------- */
#include <petscvec.h>
#include <petscis.h>
/* -------------------------------------------------------------------------- */
#if not defined(PETSC_CLANGUAGE_CXX)
extern int aka_PETScError(int ierr);
#define CHKERRXX(x) \
do { \
int error = aka_PETScError(x); \
if (error != 0) { \
AKANTU_EXCEPTION("Error in PETSC"); \
} \
} while (0)
#endif
#ifndef __AKANTU_DOF_MANAGER_PETSC_HH__
#define __AKANTU_DOF_MANAGER_PETSC_HH__
namespace akantu {
class SparseMatrixPETSc;
class DOFManagerPETSc : public DOFManager {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
DOFManagerPETSc(const ID & id = "dof_manager_petsc",
const MemoryID & memory_id = 0);
DOFManagerPETSc(Mesh & mesh, const ID & id = "dof_manager_petsc",
const MemoryID & memory_id = 0);
virtual ~DOFManagerPETSc();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// register an array of degree of freedom
void registerDOFs(const ID & dof_id, Array<Real> & dofs_array,
DOFSupportType & support_type);
/// Assemble an array to the global residual array
virtual void assembleToResidual(const ID & dof_id,
const Array<Real> & array_to_assemble,
Real scale_factor = 1.);
/**
* Assemble elementary values to the global residual array. The dof number is
* implicitly considered as conn(el, n) * nb_nodes_per_element + d.
* With 0 < n < nb_nodes_per_element and 0 < d < nb_dof_per_node
**/
virtual void assembleElementalArrayResidual(
const ID & dof_id, const Array<Real> & array_to_assemble,
const ElementType & type, const GhostType & ghost_type,
Real scale_factor = 1.);
/**
* Assemble elementary values to the global residual array. The dof number is
* implicitly considered as conn(el, n) * nb_nodes_per_element + d.
* With 0 < n < nb_nodes_per_element and 0 < d < nb_dof_per_node
**/
virtual void assembleElementalMatricesToMatrix(
const ID & matrix_id, const ID & dof_id,
const Array<Real> & elementary_mat, const ElementType & type,
const GhostType & ghost_type, const MatrixType & elemental_matrix_type,
const Array<UInt> & filter_elements);
protected:
/// Get the part of the solution corresponding to the dof_id
virtual void getSolutionPerDOFs(const ID & dof_id, Array<Real> & solution_array);
private:
/// Add a symmetric matrices to a symmetric sparse matrix
inline void addSymmetricElementalMatrixToSymmetric(
SparseMatrixAIJ & matrix, const Matrix<Real> & element_mat,
const Vector<UInt> & equation_numbers, UInt max_size);
/// Add a unsymmetric matrices to a symmetric sparse matrix (i.e. cohesive
/// elements)
inline void addUnsymmetricElementalMatrixToSymmetric(
SparseMatrixAIJ & matrix, const Matrix<Real> & element_mat,
const Vector<UInt> & equation_numbers, UInt max_size);
/// Add a matrices to a unsymmetric sparse matrix
inline void addElementalMatrixToUnsymmetric(
SparseMatrixAIJ & matrix, const Matrix<Real> & element_mat,
const Vector<UInt> & equation_numbers, UInt max_size);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// Get an instance of a new SparseMatrix
virtual SparseMatrix & getNewMatrix(const ID & matrix_id,
const MatrixType & matrix_type);
/// Get an instance of a new SparseMatrix as a copy of the SparseMatrix
/// matrix_to_copy_id
virtual SparseMatrix & getNewMatrix(const ID & matrix_id,
const ID & matrix_to_copy_id);
/// Get the reference of an existing matrix
SparseMatrixPETSc & getMatrix(const ID & matrix_id);
/// Get the solution array
AKANTU_GET_MACRO_NOT_CONST(GlobalSolution, this->solution, Vec &);
/// Get the residual array
AKANTU_GET_MACRO_NOT_CONST(Residual, this->residual, Vec &);
/// Get the blocked dofs array
// AKANTU_GET_MACRO(BlockedDOFs, blocked_dofs, const Array<bool> &);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
typedef std::map<ID, SparseMatrixPETSc *> PETScMatrixMap;
/// list of matrices registered to the dof manager
PETScMatrixMap petsc_matrices;
/// PETSc version of the solution
Vec solution;
/// PETSc version of the residual
Vec residual;
/// PETSc local to global mapping of dofs
ISLocalToGlobalMapping is_ltog;
/// Communicator associated to PETSc
MPI_Comm mpi_communicator;
/// Static handler for petsc to know if it was initialized or not
static UInt petsc_dof_manager_instances;
};
} // akantu
#endif /* __AKANTU_DOF_MANAGER_PETSC_HH__ */
c4science · Help