CFD Online Logo CFD Online URL
Home > Forums > FLUENT

wall slip-udf

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

LinkBack Thread Tools Display Modes
Old   May 22, 2004, 02:24
Default wall slip-udf
Posts: n/a
hello thank you i wrote udf for slip on the wall: #include "udf.h" DEFINE_PROFILE(slip, thread, nw) { face_t f; begin_f_loop (f, thread) { cell_t c; double m =C_DWDY(c, thread); F_PROFILE(f, thread, nw) = 0.02* pow (m, 0.9); } end_f_loop (f,thread) } in fluent 6.0.0: first user defined---> functions--->interpreted UDFs d:\slip.c and then diplay assembly listing and then compile. then put this udf slip in boundary condition in the wall,there are not errors in these steps, but when i want to initialize solution and compute from inflow or any zones ,appear thie error: Error: FLUENT received fatal signal (ACCESS_VIOLATION) 1. Note exact events leading to error. 2. Save case/data under new name. 3. Exit program and restart to continue. 4. Report error to your distributor. Error Object: () please guide me Yours faithfully Arash Avesta
  Reply With Quote

Old   June 22, 2010, 21:51
New Member
Join Date: Jun 2010
Location: beij,chongqing,Chengdu
Posts: 22
Rep Power: 7
wangguobin14 is on a distinguished road
Send a message via ICQ to wangguobin14 Send a message via MSN to wangguobin14
It's late to come here ,finding my research problem, Recently,i am bend my head on slip boundary condition in,now i wonder would you share your slip code and your research topics, thank you very much!
your chinese friends!
wangguobin14 is offline   Reply With Quote

Old   November 13, 2014, 05:26
Default hi
Qureshi M Z I
Join Date: Sep 2013
Posts: 58
Rep Power: 4
m zahid is on a distinguished road
hi, i need a UDF for slip boundary condition at the bottom of the domain or at the ground (wall), case is just like a flow over a building. if anybody have sample UDF please share this, z is a vertical axis of my domain. thanks

m zahid is offline   Reply With Quote


Thread Tools
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 On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
UDF to Access Wall Normal Concentration Gradient Daniel Tanner Fluent UDF and Scheme Programming 4 February 18, 2015 15:35
Slip flow boundary condition on wall using UDFs mahdi haddad FLUENT 1 November 11, 2014 07:13
UDF for slip and moving wall lichun Dong FLUENT 3 March 26, 2014 05:37
Natural convection in a closed domain STILL NEEDING help! Yr0gErG FLUENT 3 June 12, 2013 02:12
UDF hook on the WALL boundary condition Luke FLUENT 0 June 7, 2006 11:54

All times are GMT -4. The time now is 01:23.