Merge pull request #14997 from rmcdermo/master

FDS Verification: change mw isothermal test to use LES

Author: rmcdermo

Verification/Flowfields/mwtest_cfl.fds

@@ -4,7 +4,7 @@
 
 &TIME T_END=60./
 
-&MISC CFL_VELOCITY_NORM=1, STRATIFICATION=.FALSE./
+&MISC SIMUATION_MODE='LES', STRATIFICATION=.FALSE./
 
 &RADI RADIATION=.FALSE./