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cell_split.hh
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cell_split.hh
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/**
* @file cell_split.hh
*
* @author Ali Falsafi <ali.falsafi@epfl.ch>
*
* @date 19 Apr 2018
*
* @brief Base class representing a unit cell able to handle
* split material assignments
*
* Copyright © 2017 Till Junge
*
* µSpectre is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3, or (at
* your option) any later version.
*
* µSpectre 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Emacs; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef CELL_SPLIT_H
#define CELL_SPLIT_H
#include "common/common.hh"
#include "common/ccoord_operations.hh"
#include "common/field.hh"
#include "common/utilities.hh"
#include "materials/material_base.hh"
#include "fft/projection_base.hh"
#include "cell/cell_traits.hh"
#include "cell/cell_base.hh"
#include <vector>
#include <memory>
#include <tuple>
#include <functional>
namespace muSpectre {
//! DimS spatial dimension (dimension of problem
//! DimM material_dimension (dimension of constitutive law)
/* This class handles the cells that has splitly assigned material to their pixels */
template <Dim_t DimS, Dim_t DimM=DimS>
class CellSplit: public CellBase<DimS, DimM> {
public:
using Parent = CellBase<DimS, DimM>; //!< base class
//! global field collection
using FieldCollection_t = GlobalFieldCollection<DimS>;
using Projection_t = ProjectionBase<DimS, DimM>;
//! projections handled through `std::unique_ptr`s
using Projection_ptr = std::unique_ptr<Projection_t>;
using StrainField_t =
TensorField<FieldCollection_t, Real, secondOrder, DimM>;
//! expected type for stress fields
using StressField_t =
TensorField<FieldCollection_t, Real, secondOrder, DimM>;
//! expected type for tangent stiffness fields
using TangentField_t =
TensorField<FieldCollection_t, Real, fourthOrder, DimM>;
//! combined stress and tangent field
using FullResponse_t =
std::tuple<const StressField_t&, const TangentField_t&>;
//! Default constructor
CellSplit() = delete;
//! constructor using sizes and resolution
CellSplit(Projection_ptr projection, SplittedCell is_cell_splitted = SplittedCell::yes);
//! Copy constructor
CellSplit(const CellSplit &other) = delete;
//! Move constructor
CellSplit(CellSplit &&other) = default;
//! Destructor
virtual ~CellSplit() = default;
//! Copy assignment operator
CellSplit& operator=(const CellSplit &other) = delete;
//! Move assignment operator
CellSplit& operator=(CellSplit &&other) = default;
//completes the assignmnet of material with a specific material so all the under-assigned pixels would be assigned to a material
template<class MaterialType, class ...InternalArgs>
void complete_material_assignment(MaterialType& material, InternalArgs ... args);
//returns the assigend ratios to each pixel
std::vector<Real> get_intersected_ratios();
protected:
void check_material_coverage() override final;
void set_p_k_zero();
//full resppnse is consisted of the stresses and tangent matrix
FullResponse_t evaluate_stress_tangent(StrainField_t & F) override final;
FullResponse_t evaluate_split_stress_tangent(StrainField_t & F);
private:
};
}
#endif /* CELL_SPLIT_H */

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