Difference between courant number and acoustic courant number?
 

hi
i run simulation on cfx in transient ... in output file i get two courant numbers...like that
1) courant number
RMs max
2)acoustic courant number
RMS max


please tell me what is difference between courant number and acoustic courant number? simple courant no live in range of less then 10 while acoustic courant no ranges from 800 to 999

This question was asked a few days ago:
http://www.cfd-online.com/Forums/cfx...ber-999-a.html