"Jaap" <jws### [at] yahoocom> wrote:
> very nice. I always play it looped for a while, because there is always so
> much to see in your animations. the swirl in the fluid, at the etch of the
> object are very nice.
Thank you.
>
> just a few notes:
> -it's difficult to see, but it looks like the cup still ends up spinning
> faster and faster. do you simulate friction between the object and the
> water surface?
No, for the moment no friction exist. The speed rotation is constant at the
end.

> -it looks like either the density of the wood is very low (more like cork)
> or the density of the fluid is very high. (more than water). this results
> in that the speed of the object is affected mostly by all the waves tossing
> it around, since it's own mass and inertia is very small. and the cup does
> ot sink into the water very far at the end of the animation. are you using
> realistic densities for your simulations?
I use a density of 1.0 for the water and 0.20 for the object. It's perhaps
too low for the wood.

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