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equilibrium_constraints.cpp
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equilibrium_constraints.cpp
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/*------------------------------------------------------------------------------
Copyright (c)2015 F. Georget <fabieng@princeton.edu>, Princeton University
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
------------------------------------------------------------------------------*/
#include "equilibrium_constraints.hpp"
#include "../../../specmicp/adimensional/adimensional_system_solver_structs.hpp"
#include "../../../utils/compat.hpp"
#include "../../../utils/log.hpp"
#include "../../../dfpm/meshes/mesh1d.hpp"
namespace specmicp {
namespace reactmicp {
namespace systems {
namespace unsaturated {
struct EquilibriumConstraints::EquilibriumConstraintsImpl
{
EquilibriumConstraintsImpl(index_t nb_nodes):
m_node_constraints(nb_nodes, no_equation),
m_is_fixed_node(nb_nodes, false)
{
m_constraints.reserve(3);
}
EquilibriumConstraintsImpl(index_t nb_nodes,
const AdimensionalSystemSolverOptions& opts):
m_node_constraints(nb_nodes, no_equation),
m_is_fixed_node(nb_nodes, false),
m_options(opts)
{
m_constraints.reserve(3);
}
size_t last() {return m_constraints.size() - 1;}
AdimensionalSystemSolverOptions& get_options() {return m_options;}
std::vector<AdimensionalSystemConstraints> m_constraints;
std::vector<index_t> m_node_constraints;
std::vector<bool> m_is_fixed_node;
void set_fixed_node(index_t node) {
m_is_fixed_node[node] = true;
}
bool is_fixed_node(index_t node) {
return m_is_fixed_node[node];
}
index_t nb_nodes() {return m_is_fixed_node.size();}
AdimensionalSystemSolverOptions m_options;
};
EquilibriumConstraints::EquilibriumConstraints(index_t nb_nodes):
m_impl(make_unique<EquilibriumConstraintsImpl>(nb_nodes))
{}
EquilibriumConstraints::EquilibriumConstraints(
index_t nb_nodes,
const AdimensionalSystemSolverOptions& opts):
m_impl(make_unique<EquilibriumConstraintsImpl>(nb_nodes, opts))
{}
EquilibriumConstraints::~EquilibriumConstraints() = default;
std::size_t EquilibriumConstraints::add_constraints(
const AdimensionalSystemConstraints& constraints)
{
m_impl->m_constraints.push_back(constraints);
return m_impl->last();
}
std::size_t EquilibriumConstraints::new_constraints()
{
m_impl->m_constraints.emplace_back();
return m_impl->last();
}
AdimensionalSystemConstraints&
EquilibriumConstraints::operator[] (std::size_t index_constraint)
{
return m_impl->m_constraints[index_constraint];
}
void EquilibriumConstraints::set_constraints(
std::size_t id_constraint,
const std::vector<index_t>& nodes
)
{
specmicp_assert(id_constraint <= m_impl->last());
for (auto node: nodes) {
m_impl->m_node_constraints[node] = id_constraint;
}
}
void EquilibriumConstraints::set_constraints(
const std::vector<size_t>& constraints_for_each_node)
{
index_t nb_nodes = m_impl->m_node_constraints.size();
specmicp_assert(constraints_for_each_node.size()
== nb_nodes);
for (index_t node=0; node<nb_nodes; ++node)
{
index_t id = constraints_for_each_node[node];
if (id > m_impl->last()) {
ERROR << "Node " << node << " : "
<< "constraints #" << id << " does not exist.";
throw std::runtime_error("Invalid constraint request");
}
m_impl->m_node_constraints[node] = constraints_for_each_node[node];
}
}
void EquilibriumConstraints::set_constraint_for_all(std::size_t id_constraint)
{
if (id_constraint < 0 or id_constraint > m_impl->last()) {
ERROR << "Constraints #" << id_constraint << " does not exist.";
throw std::runtime_error("Invalid constraint request");
}
for (index_t node=0; node < m_impl->m_node_constraints.size(); ++node)
{
m_impl->m_node_constraints[node] = id_constraint;
}
}
AdimensionalSystemConstraints&
EquilibriumConstraints::get_constraints(index_t node)
{
auto id = m_impl->m_node_constraints[node];
if (id == no_equation)
{
// check that the node has been initialized before doing anything
ERROR << "Node " << node << " : "
<< "request for a non initialized constraints !";
throw std::runtime_error("Invalid constraint request.");
}
return m_impl->m_constraints[id];
}
//! \brief Set the options
AdimensionalSystemSolverOptions& EquilibriumConstraints::get_options()
{
return m_impl->get_options();
}
//! \brief Add a fixed node
void EquilibriumConstraints::add_fixed_node(index_t node)
{
specmicp_assert(node < m_impl->nb_nodes());
m_impl->set_fixed_node(node);
}
//! \brief Add a list of fixed nodes
void EquilibriumConstraints::add_fixed_nodes(std::vector<index_t> fixed_nodes)
{
for (auto node: fixed_nodes) {
specmicp_assert(node < m_impl->nb_nodes());
m_impl->set_fixed_node(node);
}
}
//! \brief Return true if the node is fixed
bool EquilibriumConstraints::is_fixed_node(index_t node)
{
return m_impl->is_fixed_node(node);
}
std::shared_ptr<EquilibriumConstraints> equilibrium_constraints(
mesh::Mesh1DPtr the_mesh
)
{
index_t nb_nodes = the_mesh->nb_nodes();
return std::make_shared<EquilibriumConstraints>(nb_nodes);
}
} //end namespace unsaturated
} //end namespace systems
} //end namespace reactmicp
} //end namespace specmicp

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