Question about a Swirl shape

Discussions about the use of Realflow
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Question about a Swirl shape

Postby angel_airlines » Mon Mar 19, 2018 5:00 pm

Hi guys,
Im struggling to find a way to achive the reference shape that I share via Dropbox ... f.png?dl=0

Ive tried a circular emitter (scaling from 0 to 10 and then back to 0 to achive the tera shape profile) that is later affected by a DSpline, but It is not working as I want.

Maybe another way is to create a fluid torrent that travels horizontally with out any other daemon applied than a noise, that is later modified in Maya or C4D to make it looks circular...

Any idea or workaround to find the better way to do this will be very welcome.


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Re: Question about a Swirl shape

Postby ChristianZ » Tue Mar 20, 2018 8:22 am


the challenge with special shapes is that it often depends on some small changes in the parameters done by trial and error.
Therefore just some general remarks:
1) A flat shape is best created by very narrow emitters, for example a thin square emitter or linear emitter
2) Falloff-settings in the daemons help to shape the forces in the direction you want them to act
RF10 standard + RFC4D, System specs: OSX 10.11, MacPro 4.1 2xXeon, GTX980Ti, 64 GB RAM

Posts: 48
Joined: Thu Jan 18, 2018 11:16 am

Re: Question about a Swirl shape

Postby angel_airlines » Tue Mar 20, 2018 11:36 am

My first test took me to choose a PDB liquid and play with this factors:

The scale of the emitter is what Im using to shape the fluid over time. So it starts with a value of 0 the grows to 100 in y and 20 in X. This way I shape the tear-like shape.
And the second value I'm finding useful is the internal pressusure of the fluid as it acts a little like a noise daemonand it is pushing some particlers away from the main fluid, tht is waht I need to create som tendrils. This combined with a Sheeter daemon allows the liquid to get an initial shape very similar to what Im looking for.

Here a first screen capture ... f.JPG?dl=0

Im not too worried with the small group of particles that are flying far away from the main stream as they will desapear once I start the meshing stage (as these groups of particles are too small).

Im thinking in importing the mesh later in C4D and use a Spline Wrap to make the fluid circular and travel in a circular shape as I think it will be easiera than trying to achieve that part in RF.

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