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Showing results 1 to 7 of 7 Search took 0.00 seconds. Search: Posts Made By: joegi.geo

Forum: Fluent UDF and Scheme Programming March 15, 2012, 15:45

Replies: 76 CG Motion Absolute coordinates Views: 27,596 Posted By joegi.geo uff, ok this is my last reply, I think you have... uff, ok this is my last reply, I think you have enough information to tackle your problem. The udf as it is, is fully working, it simulates rolling about the traveling axis and pitching about an...

Forum: Fluent UDF and Scheme Programming March 14, 2012, 14:45

Replies: 76 CG Motion Absolute coordinates Views: 27,596 Posted By joegi.geo Yes, it is highly recommendable that your... Yes, it is highly recommendable that your geometry has the same initial orientation as the kinematics. As a matter of fact I always do like that, so you will avoid highly skewed cells during the...

Forum: Fluent UDF and Scheme Programming March 13, 2012, 16:06

Replies: 76 CG Motion Absolute coordinates Views: 27,596 Posted By joegi.geo I dont have the paper at hand, try to google it I... I dont have the paper at hand, try to google it I think you can download it from somewhere for free. Regarding your case, if you are confuse try to start with a simple kinematics, that will make...

Forum: Fluent UDF and Scheme Programming March 13, 2012, 08:22

Replies: 76 CG Motion Absolute coordinates Views: 27,596 Posted By joegi.geo Well to get a fairly good explanation of the... Well to get a fairly good explanation of the reference system used by fluent take a look at this paper: Wing Kinematics and aerodynamics of a Hovering Flapping Micro Aerial Vehicle. A udf...

Forum: Fluent UDF and Scheme Programming January 6, 2012, 12:11

Replies: 76 CG Motion Absolute coordinates Views: 27,596 Posted By joegi.geo To get omega(0-1-2), look for that on the web or... To get omega(0-1-2), look for that on the web or get a good book on solid mechanics from your library, I won't do your homework/research/thesis. You just need to get the euler angles and the...

Forum: Fluent UDF and Scheme Programming January 6, 2012, 01:10

Replies: 76 CG Motion Absolute coordinates Views: 27,596 Posted By joegi.geo For acoupled motion (roll+pitch). Something like... For acoupled motion (roll+pitch). Something like this should work roll=amplituderoll*sin(2*pi*frequencyroll*time) droll=2*pi*frequencyroll*amplituderoll*cos(2*pi*frequencyroll*time) ...

Forum: Fluent UDF and Scheme Programming January 5, 2012, 18:33

Replies: 76 CG Motion Absolute coordinates Views: 27,596 Posted By joegi.geo Hi Aamer, Usually when I setup a flapping... Hi Aamer, Usually when I setup a flapping case I use a sine/cosine function for roll/yaw/pitch but in your udf I dont see that function. It seems that you are trying to define the euler angles,...

Showing results 1 to 7 of 7

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