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Flow Conditions

Fill these values from case metadata or flow_conditions.dat.

Key Type Default Description
mach float - Freestream Mach number
re1 float - Unit Reynolds number [1/m]
gamma float 1.4 Ratio of specific heats
cp float 1005.025 Specific heat at constant pressure [J/(kg K)]
cv float 717.875 Specific heat at constant volume [J/(kg K)]
rgas float 287.15 Specific gas constant [J/(kg K)]
pres_0 float - Stagnation pressure [Pa]
temp_0 float - Stagnation temperature [K]
pres_inf float - Freestream pressure [Pa]
temp_inf float - Freestream temperature [K]
dens_inf float - Freestream density [kg/m^3]
uvel_inf float - Freestream velocity [m/s]
visc_law int 0 Viscosity law index

These values usually stay fixed across parsing, tracking, and spectra for a single case.