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units: add energy

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an alternative is to add heat capacity, but this is more cumbersome
because some heat capacities are volumetric while others are mass
specific. (note that the "single division" shenengian of the unit
system's expression parser needs to be considered for most energy
related keywords.)
This commit is contained in:
Andreas Lauser
2017-11-23 13:18:32 +01:00
parent fa0d1ff4bd
commit 62333f08a8
2 changed files with 26 additions and 0 deletions
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10
opm/parser/eclipse/Units/Units.hpp
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@@ -123,6 +123,12 @@ namespace Opm {
constexpr const double pound = 0.45359237 * kilogram;
/// @}
/// \name Energy
/// @{
constexpr const double joule = 1;
constexpr const double btu = 1054.3503*joule; // "british thermal units"
/// @}
// --------------------------------------------------------------
// Standardised constants
// --------------------------------------------------------------
@@ -267,6 +273,7 @@ namespace Opm {
constexpr const double Viscosity = centi*Poise;
constexpr const double Timestep = day;
constexpr const double SurfaceTension = dyne/(centi*meter);
constexpr const double Energy = kilo*joule;
}
@@ -293,6 +300,7 @@ namespace Opm {
constexpr const double Viscosity = centi*Poise;
constexpr const double Timestep = day;
constexpr const double SurfaceTension = dyne/(centi*meter);
constexpr const double Energy = btu;
}
@@ -319,6 +327,7 @@ namespace Opm {
constexpr const double Viscosity = centi*Poise;
constexpr const double Timestep = hour;
constexpr const double SurfaceTension = dyne/(centi*meter);
constexpr const double Energy = joule;
}
@@ -345,6 +354,7 @@ namespace Opm {
constexpr const double Viscosity = centi*Poise;
constexpr const double Timestep = day;
constexpr const double SurfaceTension = dyne/(centi*meter);
constexpr const double Energy = kilo*joule;
}
}