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DynamicPressure.hpp
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DynamicPressure.hpp
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// Copyright © 2020-2024 Alexandre Coderre-Chabot
//
// This file is part of Physical Quantities (PhQ), a C++ library of physical quantities, physical
// models, and units of measure for scientific computing.
//
// Physical Quantities is hosted at:
// https://github.com/acodcha/phq
//
// Physical Quantities is licensed under the MIT License:
// https://mit-license.org
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
// associated documentation files (the "Software"), to deal in the Software without restriction,
// including without limitation the rights to use, copy, modify, merge, publish, distribute,
// sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// - The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
// BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef PHQ_DYNAMIC_PRESSURE_HPP
#define PHQ_DYNAMIC_PRESSURE_HPP
#include <cstddef>
#include <functional>
#include <ostream>
#include "DimensionalScalar.hpp"
#include "MassDensity.hpp"
#include "Speed.hpp"
#include "StaticPressure.hpp"
namespace PhQ {
// Forward declaration for class PhQ::DynamicPressure.
template <typename NumericType>
class DynamicKinematicPressure;
/// \brief Dynamic pressure, which is the additional pressure arising from a flowing fluid's kinetic
/// energy. Dynamic pressure can be thought of as a flowing fluid's kinetic energy per unit volume.
/// Not to be confused with static pressure or total pressure; see PhQ::StaticPressure and
/// PhQ::TotalPressure. For dynamic kinematic pressure, see PhQ::DynamicKinematicPressure.
template <typename NumericType = double>
class DynamicPressure : public DimensionalScalar<Unit::Pressure, NumericType> {
public:
/// \brief Default constructor. Constructs a dynamic pressure with an uninitialized value.
DynamicPressure() = default;
/// \brief Constructor. Constructs a dynamic pressure with a given value expressed in a given
/// pressure unit.
DynamicPressure(const NumericType value, const Unit::Pressure unit)
: DimensionalScalar<Unit::Pressure, NumericType>(value, unit) {}
/// \brief Constructor. Constructs a dynamic pressure from a given mass density and speed using
/// the definition of dynamic pressure.
constexpr DynamicPressure(
const MassDensity<NumericType>& mass_density, const Speed<NumericType>& speed)
: DynamicPressure<NumericType>(0.5 * mass_density.Value() * std::pow(speed.Value(), 2)) {}
/// \brief Constructor. Constructs a dynamic pressure from a given total pressure and static
/// pressure using the definition of total pressure.
constexpr DynamicPressure(const TotalPressure<NumericType>& total_pressure,
const StaticPressure<NumericType>& static_pressure);
/// \brief Constructor. Constructs a dynamic pressure from a given mass density and dynamic
/// kinematic pressure using the definition of dynamic kinematic pressure.
constexpr DynamicPressure(
const MassDensity<NumericType>& mass_density,
const DynamicKinematicPressure<NumericType>& dynamic_kinematic_pressure);
/// \brief Destructor. Destroys this dynamic pressure.
~DynamicPressure() noexcept = default;
/// \brief Copy constructor. Constructs a dynamic pressure by copying another one.
constexpr DynamicPressure(const DynamicPressure<NumericType>& other) = default;
/// \brief Copy constructor. Constructs a dynamic pressure by copying another one.
template <typename OtherNumericType>
explicit constexpr DynamicPressure(const DynamicPressure<OtherNumericType>& other)
: DynamicPressure(static_cast<NumericType>(other.Value())) {}
/// \brief Move constructor. Constructs a dynamic pressure by moving another one.
constexpr DynamicPressure(DynamicPressure<NumericType>&& other) noexcept = default;
/// \brief Copy assignment operator. Assigns this dynamic pressure by copying another one.
constexpr DynamicPressure<NumericType>& operator=(
const DynamicPressure<NumericType>& other) = default;
/// \brief Copy assignment operator. Assigns this dynamic pressure by copying another one.
template <typename OtherNumericType>
constexpr DynamicPressure<NumericType>& operator=(
const DynamicPressure<OtherNumericType>& other) {
this->value = static_cast<NumericType>(other.Value());
return *this;
}
/// \brief Move assignment operator. Assigns this dynamic pressure by moving another one.
constexpr DynamicPressure<NumericType>& operator=(
DynamicPressure<NumericType>&& other) noexcept = default;
/// \brief Statically creates a dynamic pressure of zero.
[[nodiscard]] static constexpr DynamicPressure<NumericType> Zero() {
return DynamicPressure<NumericType>{static_cast<NumericType>(0)};
}
/// \brief Statically creates a dynamic pressure with a given value expressed in a given pressure
/// unit.
template <Unit::Pressure Unit>
[[nodiscard]] static constexpr DynamicPressure<NumericType> Create(const NumericType value) {
return DynamicPressure<NumericType>{
ConvertStatically<Unit::Pressure, Unit, Standard<Unit::Pressure>>(value)};
}
constexpr DynamicPressure<NumericType> operator+(
const DynamicPressure<NumericType>& dynamic_pressure) const {
return DynamicPressure<NumericType>{this->value + dynamic_pressure.value};
}
constexpr TotalPressure<NumericType> operator+(
const StaticPressure<NumericType>& static_pressure) const;
constexpr DynamicPressure<NumericType> operator-(
const DynamicPressure<NumericType>& dynamic_pressure) const {
return DynamicPressure<NumericType>{this->value - dynamic_pressure.value};
}
constexpr DynamicPressure<NumericType> operator*(const NumericType number) const {
return DynamicPressure<NumericType>{this->value * number};
}
constexpr DynamicPressure<NumericType> operator/(const NumericType number) const {
return DynamicPressure<NumericType>{this->value / number};
}
constexpr NumericType operator/(
const DynamicPressure<NumericType>& dynamic_pressure) const noexcept {
return this->value / dynamic_pressure.value;
}
constexpr DynamicKinematicPressure<NumericType> operator/(
const MassDensity<NumericType>& mass_density) const;
constexpr void operator+=(const DynamicPressure<NumericType>& dynamic_pressure) noexcept {
this->value += dynamic_pressure.value;
}
constexpr void operator-=(const DynamicPressure<NumericType>& dynamic_pressure) noexcept {
this->value -= dynamic_pressure.value;
}
constexpr void operator*=(const NumericType number) noexcept {
this->value *= number;
}
constexpr void operator/=(const NumericType number) noexcept {
this->value /= number;
}
private:
/// \brief Constructor. Constructs a dynamic pressure with a given value expressed in the standard
/// pressure unit.
explicit constexpr DynamicPressure(const NumericType value)
: DimensionalScalar<Unit::Pressure, NumericType>(value) {}
};
template <typename NumericType>
inline constexpr bool operator==(
const DynamicPressure<NumericType>& left, const DynamicPressure<NumericType>& right) noexcept {
return left.Value() == right.Value();
}
template <typename NumericType>
inline constexpr bool operator!=(
const DynamicPressure<NumericType>& left, const DynamicPressure<NumericType>& right) noexcept {
return left.Value() != right.Value();
}
template <typename NumericType>
inline constexpr bool operator<(
const DynamicPressure<NumericType>& left, const DynamicPressure<NumericType>& right) noexcept {
return left.Value() < right.Value();
}
template <typename NumericType>
inline constexpr bool operator>(
const DynamicPressure<NumericType>& left, const DynamicPressure<NumericType>& right) noexcept {
return left.Value() > right.Value();
}
template <typename NumericType>
inline constexpr bool operator<=(
const DynamicPressure<NumericType>& left, const DynamicPressure<NumericType>& right) noexcept {
return left.Value() <= right.Value();
}
template <typename NumericType>
inline constexpr bool operator>=(
const DynamicPressure<NumericType>& left, const DynamicPressure<NumericType>& right) noexcept {
return left.Value() >= right.Value();
}
template <typename NumericType>
inline std::ostream& operator<<(
std::ostream& stream, const DynamicPressure<NumericType>& dynamic_pressure) {
stream << dynamic_pressure.Print();
return stream;
}
template <typename NumericType>
inline constexpr DynamicPressure<NumericType> operator*(
const NumericType number, const DynamicPressure<NumericType>& dynamic_pressure) {
return dynamic_pressure * number;
}
template <typename NumericType>
inline constexpr MassDensity<NumericType>::MassDensity(
const DynamicPressure<NumericType>& dynamic_pressure, const Speed<NumericType>& speed)
: MassDensity<NumericType>(2.0 * dynamic_pressure.Value() / (speed.Value() * speed.Value())) {}
template <typename NumericType>
inline Speed<NumericType>::Speed(const DynamicPressure<NumericType>& dynamic_pressure,
const MassDensity<NumericType>& mass_density)
: Speed<NumericType>(std::sqrt(2.0 * dynamic_pressure.Value() / mass_density.Value())) {}
} // namespace PhQ
namespace std {
template <typename NumericType>
struct hash<PhQ::DynamicPressure<NumericType>> {
inline size_t operator()(const PhQ::DynamicPressure<NumericType>& dynamic_pressure) const {
return hash<NumericType>()(dynamic_pressure.Value());
}
};
} // namespace std
#endif // PHQ_DYNAMIC_PRESSURE_HPP