Compressible Flow Subroutine Library
Programming Reference Manual
Version 1.0 DD-00008-010E

3.13.5 arspmfm - Prandtl-Meyer angle from M
double arspmfm(double g, double m);

Computes the Prandtl-Meyer angle v(M)  from the given mach number M .

Performance
Fixed

Arguments

G - REAL

ENTRY: Specific heat constant γ .

M - REAL

ENTRY: Mach number M ≥1  .

Return value
This function returns the Prandtl-Meyer angle v(M)  for the given mach number M or NAN (Not-a-Number) if an error has occurred).