POV-Ray : Newsgroups : povray.newusers : Melting Simulation : Re: Melting Simulation Server Time
30 Jun 2024 04:19:20 EDT (-0400)
  Re: Melting Simulation  
From: Alain
Date: 20 Aug 2011 11:15:21
Message: <4e4fcf89@news.povray.org>

> Alain<aze### [at] qwertyorg>  wrote:

>>> I suggest using the 'blob' object.
>>>
>>>
>>
>> I tend to agree. With a blob, it will also be faster than using many
>> superellipsoids in a merge.
>>
>> The superellipsoid is a relatively slow primitive. When using a merge,
>> once you hit the bounding box of the merge, you need to test and
>> evaluate each and every components.
>>
>> With a blob, there is a great deal of optimisations done, starting with
>> an internal bounding hierarchy. You only evaluate the closest components.
>> A blob tends to produce rounder shapes.
>>
>> As for the particles been to heavy, have you tryed making them lighter
>> but increase the thermal inertia?
>> You can also increase the surface tention to compensate.
>> You can also decrease the heat imput proportionately to the mass.
>>
>>
>>
>> Alain
>
> Thanks guys.. I'll tinker with the values more to get a more realistic effect.
> The problem i had with blobs was that I had to keep changing the threshold and
> radii to make sure the cube is large enough and the molten water droplets are
> not too big.
>
> -pH
>
>
>
>

Don't play with the threshold, work with the strenght and radius instead.


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