ESPResSo
Extensible Simulation Package for Research on Soft Matter Systems
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core/constraints/ExternalPotential.hpp
Go to the documentation of this file.
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/*
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* Copyright (C) 2010-2022 The ESPResSo project
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*
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* This file is part of ESPResSo.
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*
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* ESPResSo is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ESPResSo is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "
Constraint.hpp
"
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#include "
Particle.hpp
"
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#include "
field_coupling/PotentialField.hpp
"
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namespace
Constraints
{
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/**
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* @brief Constraint interface for ExternalField::PotentialField.
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*/
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template
<
typename
Coupling,
typename
Field>
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class
ExternalPotential
:
public
Constraint
{
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FieldCoupling::PotentialField<Coupling, Field>
impl;
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public
:
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template
<
typename
... Args>
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ExternalPotential
(Args &&...args) : impl(std::forward<Args>(args)...) {}
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const
Coupling &
coupling
()
const
{
return
impl.coupling(); }
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const
Field &
field
()
const
{
return
impl.field(); }
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void
add_energy
(
const
Particle
&p,
const
Utils::Vector3d
&folded_pos,
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double
time,
Observable_stat
&obs_energy)
const override
{
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obs_energy.
external_fields
[0] += impl.
energy
(p, folded_pos, time);
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}
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ParticleForce
force
(
const
Particle
&p,
const
Utils::Vector3d
&folded_pos,
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double
time)
override
{
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return
impl.
force
(p, folded_pos, time);
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}
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bool
fits_in_box
(
Utils::Vector3d
const
&box)
const override
{
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return
impl.field().fits_in_box(box);
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}
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};
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}
// namespace Constraints
Particle.hpp
PotentialField.hpp
Constraints::Constraint
Definition
core/constraints/Constraint.hpp:30
Constraints::ExternalPotential
Constraint interface for ExternalField::PotentialField.
Definition
core/constraints/ExternalPotential.hpp:31
Constraints::ExternalPotential::force
ParticleForce force(const Particle &p, const Utils::Vector3d &folded_pos, double time) override
Definition
core/constraints/ExternalPotential.hpp:46
Constraints::ExternalPotential::field
const Field & field() const
Definition
core/constraints/ExternalPotential.hpp:39
Constraints::ExternalPotential::ExternalPotential
ExternalPotential(Args &&...args)
Definition
core/constraints/ExternalPotential.hpp:36
Constraints::ExternalPotential::fits_in_box
bool fits_in_box(Utils::Vector3d const &box) const override
Definition
core/constraints/ExternalPotential.hpp:51
Constraints::ExternalPotential::coupling
const Coupling & coupling() const
Definition
core/constraints/ExternalPotential.hpp:38
Constraints::ExternalPotential::add_energy
void add_energy(const Particle &p, const Utils::Vector3d &folded_pos, double time, Observable_stat &obs_energy) const override
Definition
core/constraints/ExternalPotential.hpp:41
FieldCoupling::PotentialField
Definition
PotentialField.hpp:29
FieldCoupling::PotentialField::energy
double energy(const Particle &p, const Utils::Vector3d &folded_pos, double t) const
Definition
PotentialField.hpp:46
FieldCoupling::PotentialField::force
Utils::Vector3d force(const Particle &p, const Utils::Vector3d &folded_pos, double t) const
Definition
PotentialField.hpp:39
Observable_stat
Observable for the pressure and energy.
Definition
Observable_stat.hpp:31
Observable_stat::external_fields
std::span< double > external_fields
Contribution from external fields (accumulated).
Definition
Observable_stat.hpp:84
Utils::Vector
Definition
Vector.hpp:48
Constraints
Definition
core/constraints/Constraint.hpp:29
Constraint.hpp
ParticleForce
Force information on a particle.
Definition
Particle.hpp:290
Particle
Struct holding all information for one particle.
Definition
Particle.hpp:395
src
core
constraints
ExternalPotential.hpp
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