# pressure boundary condition

 User Name Remember Me Password
 Register Blogs Members List Search Today's Posts Mark Forums Read

 November 3, 2007, 10:40 pressure boundary condition #1 kharati Guest   Posts: n/a for an oscillating airfoil we can use pressure boundary condition on airfoil surface as dp/dn=-(Du/Dt).n. How can we calculate Du/Dt on airfoil surface for an inviscid and viscous fluid flow to set pressure boundary condition on airfoil surface?

 November 3, 2007, 22:02 Re: pressure boundary condition #2 ag Guest   Posts: n/a If the surface is moving then you should have the kinematic information you need to compute the surface acceleration. The acceleration of the solid is equal to the acceleration of the fluid at the surface. If the surface is moving due to the fluid, then compute the acceleration as a discrete difference, or relate it to the force imposed on the body.

 November 10, 2007, 03:11 Re: pressure boundary condition #3 kharati Guest   Posts: n/a it seems to me that what ag said is right for viscous fluid flow. how can we calculate acceleration of the fluid at the surface if flow is inviscid?

 Thread Tools Display Modes Linear Mode

 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 OffTrackbacks are On Pingbacks are On Refbacks are On Forum Rules

 Similar Threads Thread Thread Starter Forum Replies Last Post C-H Kuo Main CFD Forum 18 September 16, 2016 03:19 Saturn CFX 45 February 8, 2016 05:42 peob OpenFOAM Running, Solving & CFD 2 August 14, 2014 09:07 Attesz CFX 7 January 5, 2013 04:32 abishek FLUENT 1 July 28, 2008 08:14

All times are GMT -4. The time now is 03:23.

 Contact Us - CFD Online - Top