Revision 2189c193605fd58d277e5d07efb04c0e1c0882b5 authored by Lars Bilke on 11 April 2023, 11:46:45 UTC, committed by Lars Bilke on 11 April 2023, 11:46:45 UTC
Added generic numerical differentiation algorithm See merge request ogs/ogs!4522
TwoPhaseFlowWithPPLocalAssembler.h
/**
* \file
* \copyright
* Copyright (c) 2012-2023, OpenGeoSys Community (http://www.opengeosys.org)
* Distributed under a Modified BSD License.
* See accompanying file LICENSE.txt or
* http://www.opengeosys.org/project/license
*
*/
#pragma once
#include <vector>
#include "MathLib/LinAlg/Eigen/EigenMapTools.h"
#include "NumLib/Extrapolation/ExtrapolatableElement.h"
#include "NumLib/Fem/FiniteElement/TemplateIsoparametric.h"
#include "NumLib/Fem/InitShapeMatrices.h"
#include "NumLib/Fem/Integration/GenericIntegrationMethod.h"
#include "NumLib/Fem/ShapeMatrixPolicy.h"
#include "ParameterLib/Parameter.h"
#include "ProcessLib/LocalAssemblerInterface.h"
#include "ProcessLib/LocalAssemblerTraits.h"
#include "TwoPhaseFlowWithPPProcessData.h"
namespace ProcessLib
{
namespace TwoPhaseFlowWithPP
{
template <typename NodalRowVectorType, typename GlobalDimNodalMatrixType,
typename NodalMatrixType>
struct IntegrationPointData final
{
explicit IntegrationPointData(NodalRowVectorType N_,
GlobalDimNodalMatrixType dNdx_,
double const& integration_weight_,
NodalMatrixType const massOperator_)
: N(std::move(N_)),
dNdx(std::move(dNdx_)),
integration_weight(integration_weight_),
massOperator(massOperator_)
{
}
NodalRowVectorType const N;
GlobalDimNodalMatrixType const dNdx;
const double integration_weight;
NodalMatrixType const massOperator;
EIGEN_MAKE_ALIGNED_OPERATOR_NEW;
};
const unsigned NUM_NODAL_DOF = 2;
class TwoPhaseFlowWithPPLocalAssemblerInterface
: public ProcessLib::LocalAssemblerInterface,
public NumLib::ExtrapolatableElement
{
public:
virtual std::vector<double> const& getIntPtSaturation(
const double t,
std::vector<GlobalVector*> const& x,
std::vector<NumLib::LocalToGlobalIndexMap const*> const& dof_table,
std::vector<double>& cache) const = 0;
virtual std::vector<double> const& getIntPtWetPressure(
const double t,
std::vector<GlobalVector*> const& x,
std::vector<NumLib::LocalToGlobalIndexMap const*> const& dof_table,
std::vector<double>& cache) const = 0;
};
template <typename ShapeFunction, int GlobalDim>
class TwoPhaseFlowWithPPLocalAssembler
: public TwoPhaseFlowWithPPLocalAssemblerInterface
{
using ShapeMatricesType = ShapeMatrixPolicyType<ShapeFunction, GlobalDim>;
using ShapeMatrices = typename ShapeMatricesType::ShapeMatrices;
using LocalAssemblerTraits = ProcessLib::LocalAssemblerTraits<
ShapeMatricesType, ShapeFunction::NPOINTS, NUM_NODAL_DOF, GlobalDim>;
using NodalRowVectorType = typename ShapeMatricesType::NodalRowVectorType;
using GlobalDimNodalMatrixType =
typename ShapeMatricesType::GlobalDimNodalMatrixType;
using NodalMatrixType = typename ShapeMatricesType::NodalMatrixType;
using NodalVectorType = typename ShapeMatricesType::NodalVectorType;
using GlobalDimMatrixType = typename ShapeMatricesType::GlobalDimMatrixType;
using GlobalDimVectorType = typename ShapeMatricesType::GlobalDimVectorType;
using LocalMatrixType = typename LocalAssemblerTraits::LocalMatrix;
using LocalVectorType = typename LocalAssemblerTraits::LocalVector;
public:
TwoPhaseFlowWithPPLocalAssembler(
MeshLib::Element const& element,
std::size_t const /*local_matrix_size*/,
NumLib::GenericIntegrationMethod const& integration_method,
bool const is_axially_symmetric,
TwoPhaseFlowWithPPProcessData const& process_data)
: _element(element),
_integration_method(integration_method),
_process_data(process_data),
_saturation(
std::vector<double>(_integration_method.getNumberOfPoints())),
_pressure_wet(
std::vector<double>(_integration_method.getNumberOfPoints()))
{
unsigned const n_integration_points =
_integration_method.getNumberOfPoints();
_ip_data.reserve(n_integration_points);
auto const shape_matrices =
NumLib::initShapeMatrices<ShapeFunction, ShapeMatricesType,
GlobalDim>(element, is_axially_symmetric,
_integration_method);
for (unsigned ip = 0; ip < n_integration_points; ip++)
{
auto const& sm = shape_matrices[ip];
_ip_data.emplace_back(
sm.N, sm.dNdx,
sm.integralMeasure * sm.detJ *
_integration_method.getWeightedPoint(ip).getWeight(),
sm.N.transpose() * sm.N * sm.integralMeasure * sm.detJ *
_integration_method.getWeightedPoint(ip).getWeight());
}
}
void assemble(double const t, double const dt,
std::vector<double> const& local_x,
std::vector<double> const& local_xdot,
std::vector<double>& local_M_data,
std::vector<double>& local_K_data,
std::vector<double>& local_b_data) override;
Eigen::Map<const Eigen::RowVectorXd> getShapeMatrix(
const unsigned integration_point) const override
{
auto const& N = _ip_data[integration_point].N;
// assumes N is stored contiguously in memory
return Eigen::Map<const Eigen::RowVectorXd>(N.data(), N.size());
}
std::vector<double> const& getIntPtSaturation(
const double /*t*/,
std::vector<GlobalVector*> const& /*x*/,
std::vector<NumLib::LocalToGlobalIndexMap const*> const& /*dof_table*/,
std::vector<double>& /*cache*/) const override
{
assert(!_saturation.empty());
return _saturation;
}
std::vector<double> const& getIntPtWetPressure(
const double /*t*/,
std::vector<GlobalVector*> const& /*x*/,
std::vector<NumLib::LocalToGlobalIndexMap const*> const& /*dof_table*/,
std::vector<double>& /*cache*/) const override
{
assert(!_pressure_wet.empty());
return _pressure_wet;
}
private:
MeshLib::Element const& _element;
NumLib::GenericIntegrationMethod const& _integration_method;
TwoPhaseFlowWithPPProcessData const& _process_data;
std::vector<
IntegrationPointData<NodalRowVectorType, GlobalDimNodalMatrixType,
NodalMatrixType>,
Eigen::aligned_allocator<IntegrationPointData<
NodalRowVectorType, GlobalDimNodalMatrixType, NodalMatrixType>>>
_ip_data;
// output vector for wetting phase saturation with
// respect to each integration point
std::vector<double> _saturation;
// output vector for wetting phase pressure with respect
// to each integration point
std::vector<double> _pressure_wet;
static const int nonwet_pressure_coeff_index = 0;
static const int cap_pressure_coeff_index = 1;
static const int nonwet_pressure_matrix_index = 0;
static const int cap_pressure_matrix_index = ShapeFunction::NPOINTS;
static const int nonwet_pressure_size = ShapeFunction::NPOINTS;
static const int cap_pressure_size = ShapeFunction::NPOINTS;
};
} // namespace TwoPhaseFlowWithPP
} // namespace ProcessLib
#include "TwoPhaseFlowWithPPLocalAssembler-impl.h"
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