refactors mach / re scaling

nasa · Apr 7, 2022 · bd744f2 · bd744f2
1 parent 97918c6
commit bd744f2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/ref_phys.c b/src/ref_phys.c
@@ -648,8 +648,8 @@ REF_STATUS ref_phys_yplus_dist(REF_DBL mach, REF_DBL re, REF_DBL reference_t_k,
   REF_DBL mu, nu, tau_wall, u_tau;
   *yplus_dist = -1.0;
   RSS(viscosity_law(t, reference_t_k, &mu), "sutherlands");
-  tau_wall = mu * dudn;
-  u_tau = sqrt(tau_wall / rho) * sqrt(mach / re);
+  tau_wall = mu * dudn * mach / re;
+  u_tau = sqrt(tau_wall / rho);
   nu = mu / rho;
   *yplus_dist = nu / u_tau * (re / mach);
   return REF_SUCCESS;