Flapping Mechanism in ANSYS Fluent (UDF)

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vganore posted this 15 January 2018

Hi Friends,

Modeling flapping mechanism in Fluent needs considerable effort and time since you are bringing flapping motion (needs motion UDF, good quality mesh, additional dynamic mesh setting, turbulence etc.). Many students are trying to solve such problems. So I am sharing following useful materials/information to get you started:

1. Generate good quality mesh around flapping region 

2. Refer this flapping door tutorial:

Part 1 Problem setup and results: 

 

Part 2 (UDF and Dynamic mesh):

 

3. Flapping tube tutorial discussion: http://studentcommunity.ansys.com/thread/dynamic-meshing-of-bending-tube/?postbadges=true

 

4. Here is the blog on similar flapping wing: http://www.ansys-blog.com/dragonfly-flapping-ansys/

Vishal Ganore, ansys.com/student

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wbmckinney posted this 2 weeks ago

What version of Microsoft Visual Studio would you recommend installing to compile the UDF? I was trying to install VS Express 2012 but cannot find it available anywhere. Please let me know your thoughts.

Thanks,

Will McKinney

vganore posted this 2 weeks ago

This information is available in ANSYS Fluent manual for respective ANSYS versions. 

2012 VS Express + VS SDK is available here: https://www.visualstudio.com/vs/older-downloads/

If you are using latest ANSYS products 18.0 and above, you could go ahead with latest 2017 VS Community. 

Vishal Ganore, ansys.com/student

ankushcool288 posted this 2 weeks ago

I followed your tutorial step by step but some error is popping up and I quote "the udf library you are trying to load is not compiled for 2ddp on the current platform(win64)".

Please explain to me how can I remove this error.

 

vganore posted this 2 weeks ago

May I know how are you launching Fluent?? Are you using VS compiler and MS SDK? If possible, please share your project file achieve (.wbpz).

Vishal Ganore, ansys.com/student

ankushcool288 posted this 1 weeks ago

I am happy to tell you that I have removed my errors with the help of my friend. Your tutorial helps me a lot and I want to explore more about it. Please keep sharing.

Thank you

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