low mach no approximation and sound filtering
 

does anyone know a good reference paper which explains a low mach number approximation and/or sound filtering from navier stokes eqn?? thanks

Re: low mach no approximation and sound filtering
 

have a look in the following paper:

ftp://ftp.nist.gov/pub/bfrl/mcgratta...ch_guide_4.pdf

In chapter 2 there is a good explaination.

Steve