|
[Sponsors] |
July 31, 2013, 08:15 |
FW-H acoustic permeable surface in Fluent
|
#1 |
New Member
Join Date: May 2013
Posts: 12
Rep Power: 13 |
I'm simulating an unsteady, low Mach number (M<0.1) flow. I also want to measure the generated sound.
I know that to find the sound caused by vortices I must enclose them by a "permeable surface" and define it as the sound source. This also means that I must use compressible simulations with the ideal gas law. The question remaining is whether I must reduce the time step to achieve a Currant number less then 1, even if the flow frequency is very small? Since I'm capturing the boundary layer, this will cause a time step 3 orders of magnitude smaller then the flow time scale. |
|
March 24, 2014, 14:20 |
|
#2 |
New Member
Join Date: Mar 2014
Posts: 3
Rep Power: 12 |
Hi! I'm trying to simulate jet noise in subsonic nozzles and I came across your post here.I would like to know how I can introduce an acoustic permeable surface in order to enclose the noise sources along my computational domain.I appreciate it if you could give me some guidance about it.
|
|
April 7, 2014, 07:53 |
|
#3 | |
Member
Jason
Join Date: May 2013
Location: South Africa
Posts: 32
Rep Power: 13 |
Quote:
|
||
Tags |
compressibility, compressible flow, courant number, fluent 14 |
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
FLUENT Spreading diameter surface monitor query | EIvb | FLUENT | 1 | May 22, 2013 08:13 |
Surface tension force expression at the wall in fluent | IndrajitW | FLUENT | 0 | April 15, 2013 08:37 |
how to simulate drop impact on a solide surface using fluent | wbka | FLUENT | 0 | February 14, 2013 15:50 |
FLUENT 6.1.18 does have steady state acoustic mode | Gavisiddayya | FLUENT | 0 | October 8, 2007 11:24 |
making line surface in fluent | rosol | FLUENT | 0 | October 6, 2007 02:59 |