CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > ANSYS > FLUENT

How do I get the pressure force vector which is normal to the surface?

Register Blogs Members List Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   August 17, 2022, 13:24
Default How do I get the pressure force vector which is normal to the surface?
  #1
New Member
 
Shubham Sathe
Join Date: Sep 2021
Posts: 7
Rep Power: 4
Sathesj is on a distinguished road
Hello,

I am simulating an airflow in the wavy channel. I am trying to find the pressure (from) drag along the wall. As seen from the image attached, I am interested in finding Fp ( pressure force along the wall) Which is normal to the wave surface. Further, I want to decompose this force and get its x-component(Fpx).

I am doing a 3D simulation in Ansys fluent. How do I get this pressure force, which is a normal force vector to the surface? Is there a way to get this directly in the fluent? Can someone help me with this?

Thanks in Advance,
Shubham
Attached Images
File Type: png wave.png (43.5 KB, 11 views)
Sathesj is offline   Reply With Quote

Old   September 6, 2022, 15:17
Default
  #2
Member
 
Join Date: Jul 2013
Posts: 85
Rep Power: 12
HHOS is on a distinguished road
Hi


When you make a report of the force you simply have to set, in this case, the vector 1 0 0 and fluent will split the force in viscous and pressure forces.


If you want to make it more complicated, create a Custom Field function of pressure * x-face-area. Then make a report of the surface using the sum of that new variable at the wall that you want.


Regards
HHOS is offline   Reply With Quote

Reply

Tags
ansys fluent 2021r2, ansys-udf, cfd - post, fluid dynamics, pressure force

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Free Surface Ship Flow timfranke OpenFOAM Running, Solving & CFD 322 March 3, 2021 09:04
SU2 7.0.7 Built on CentOS 7, parallel computation pyscript mpi exit error? EternalSeekerX SU2 3 October 9, 2020 18:28
How to read pressure at discrete points paka OpenFOAM 16 April 28, 2020 07:26
OpenFOAM error Vinay Kumar V Main CFD Forum 0 February 20, 2020 09:17
How to view pressure force on the wall surface Prat991 OpenFOAM Post-Processing 0 May 8, 2017 05:13


All times are GMT -4. The time now is 06:45.