diff options
Diffstat (limited to 'Source/Utils')
| -rw-r--r-- | Source/Utils/WarpXConst.H | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Source/Utils/WarpXConst.H b/Source/Utils/WarpXConst.H index fc40be290..1be627ca1 100644 --- a/Source/Utils/WarpXConst.H +++ b/Source/Utils/WarpXConst.H @@ -44,6 +44,11 @@ namespace PhysConst static constexpr auto xi_c2 = static_cast<amrex::Real>( 1.1728865132395492e-35 ); // This should be usable for single precision, though // very close to smallest number possible (1.2e-38) + // This marks the gamma threshold to switch between the full relativistic expression + // for particle kinetic energy and a Taylor expansion. It is used in the reduced diagnostics. + static constexpr auto gamma_relativistic_threshold = + static_cast<amrex::Real>(1.005); + static constexpr auto kb = static_cast<amrex::Real>( 1.380649e-23 ); // Boltzmann's constant, J/K (exact) } |