[Sidefx-houdini-list] sdf for animated turbine

Javier Meroño javiermerono at hotmail.com
Thu Sep 8 04:20:06 EDT 2011

Have you considered rotating the precalculated SDF instead of rotating the blade and then calculating the SDF? In this way you will have the same volume regadless of its angle.


Javier Meroño
Head of VFX Courses
FX Animation School

> Date: Wed, 7 Sep 2011 15:44:36 +0200
> From: zoran.arizanovic at gmail.com
> To: sidefx-houdini-list at sidefx.com
> Subject: [Sidefx-houdini-list] sdf for animated turbine
> Hi
> i thought its going well but now I need some help:)
> I want to do fluid-sph sim of turbine rotating at about 70rpm
> I wrote all the sdf out but when the blades rotate resolution and accuracy
> of sdf changes drasticaly on some rotation angles even almost dissapears?
> What would be the best way to tackle this
> or complicated shapes like this
> http://www.technologie-entwicklung.de/Gasturbines/Monocopter/Turbine_Details/turbine_details.html
> cheers
> -- 
> Zoran Arizanovic
> vfx reel : http://vimeo.com/28605448
> http://www.imdb.com/name/nm2902303/
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