POV-Ray : Newsgroups : povray.binaries.animations : Re: You have clothsim. Want fluidsim? : Re: You have clothsim. Want fluidsim? Server Time
20 Jul 2024 09:19:55 EDT (-0400)
  Re: You have clothsim. Want fluidsim?  
From: Dennis Milller
Date: 31 Mar 2001 22:12:43
Message: <3ac69cab$1@news.povray.org>
Do you plan to upload the POV file for this by any chance? Really very
effective.
D>

"Ben Birdsey" <cla### [at] mailcom> wrote in message
news:3AC62CF9.BA43071F@mail.com...
>
> Here's an animation of an "exploding" fluid droplet.  The fluid is
> rendered as a bunch of blobs though you could use any objects.
>
> The basis of the simulation is to calculate the spring-like and viscous
> forces between nearest neighbors.  By limiting it to nearest neighbors
> you would reduce the simulation time from O( N^2 ) to O( N ln(N) ),
> which is completely necessary if you want to incorporate these objects
> into something like spray.inc.
>
> This animation was produced using a POV script file with uses only 14
> blobs to represent the fluid.  As you would expect, declaring and using
> complex data structures is difficult, so there is not yet any nearest
> neighbor checking. Ideally, you would want 140 or 1400 "blob" elements.
> If the nearest neighbor method was used the computation time would
> increase by factors of 5 and 74, respectively (though the simulation is
> not nearly the slowest step).
>
> -Ben


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