[Sidefx-houdini-list] Air Bubbles in Liquid

Jaideep Khadilkar iamjaideep80 at yahoo.com
Tue Nov 4 14:50:29 EST 2008


Hi Beatriz

This is exactly what I want, but can I do it in houdini. And Instead of bubble to be filled, can they be empty and part of the same simulation where my object drops into the water.(It doesn't mean  that I want them to generate automatically as object hits the water. I can add them as a separate cheat layer, but they have to be part of the same sim, so that they can interact with the original object,water and the prominant air that enters the water as the object enters the water)

-----iamjaideep80
(Jaideep Khadilkar)

--- On Wed, 5/11/08, Beatriz Lorenzo <bealobo at gmail.com> wrote:
From: Beatriz Lorenzo <bealobo at gmail.com>
Subject: Re: [Sidefx-houdini-list] Air Bubbles in Liquid
To: sidefx-houdini-list at sidefx.com, iamjaideep80 at yahoo.com
Date: Wednesday, 5 November, 2008, 1:09 AM

I think you can use the fluid sim to make the bubbles alone, without any liquid surrounding. So that you avoid the two fluids interaction.
Like this
http://www.youtube.com/watch?v=1lRw7_DfWEM

or if you go to lab/improved object emission at www.oddmood.com

I hope it makes sense

2008/11/4 Jaideep Khadilkar <iamjaideep80 at yahoo.com>



Hi...





Here is the reference of what I want.

http://in.youtube.com/watch?v=IfTKKfdFOow



Simple particles won't give the feel. I have seen one shot in h9 sneak peek, where

bubbles are generated inside liquid, and they travel upwards.

here is the link....

http://www.sidefx.com/index.php?option=com_content&task=view&id=545&Itemid=66



I

did a simulation of object dropped in a liquid, Liquid reacts properly

but the bubbles are not created. I thought, i would add them, inside

the liquid in the same simulation.

I tried adding another fluid  inside a sphere which is below the water level (as a bubble), and pumping it up, but it doesn't interact properly with the water.





-----iamjaideep80

(Jaideep Khadilkar)





--- On Wed, 5/11/08, Erika Salatiello <tictacer at hotmail.com> wrote:

From: Erika Salatiello <tictacer at hotmail.com>

Subject: Re: [Sidefx-houdini-list] Air Bubbles in Liquid

To: "user group" <sidefx-houdini-list at sidefx.com>

Date: Wednesday, 5 November, 2008, 12:49 AM



Yes! that's it - my apologies, I forgot it was in the downloadable shelf.



Thanks for the correction Steve.



> Date: Tue, 4 Nov 2008 13:42:54 -0500

> From: stucker at sidefx.com

> To: sidefx-houdini-list at sidefx.com

> Subject: Re: [Sidefx-houdini-list] Air Bubbles in Liquid

>

> Maybe you have a custom shelf tool Erika?  I don't see a dop shelf

tool

> for underwater bubbles, but there is a tool on the downloadable FX shelf

> for doing particle based bubbles.

>

> -Steve

>

> Erika Salatiello wrote:

> > There is a shelf tool for underwater bubbles on the DOPS shelf - I

don't know that it behaves exactly as you need, but if I recall it just

sends tiny bubbles upwards in a stream from under water. Perhaps if you start

from there then dive into the network, you can get a basis for how to create

your own version?  Just an idea....

> >

> >

> >> Date: Tue, 4 Nov 2008 00:05:30 +0000

> >> From: pablogipi at gmail.com

> >> To: sidefx-houdini-list at sidefx.com; iamjaideep80 at yahoo.com

> >> Subject: Re: [Sidefx-houdini-list] Air Bubbles in Liquid

> >>

> >> You really need to make a fluid simulation?

> >> How is the shot?

> >> Maybe you can so it with simple particles....

> >>

> >> 2008/11/3 Jaideep Khadilkar <iamjaideep80 at yahoo.com>

> >>

> >>

> >>> Hi......

> >>>

> >>> I want to emit some air bubbles from an object inside a

liquid.

> >>> In houdini 9 sneak peek I have seen the same effect. So I

know that it is

> >>> possible in houdini.

> >>> I think they have used SDF fluid for it.

> >>> I tried using sink object with SDF fluid. It created a bubble

inside the

> >>> fluid.

> >>> But the bubble doesn't travel up, as it should. Does

anybody know how to do

> >>> it???

> >>> I tried using pump object, but the whole fluid gets affected

and moves up.

> >>>

> >>>

> >>> ---iamjaideep80

> >>> (Jaideep Khadilkar)

> >>>

> >>>

> >>>

> >>>

> >>>      Add more friends to your messenger and enjoy! Go to

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> >>> _______________________________________________

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> >>>

https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list

> >>>

> >>>

> >>

> >> --

> >> Un saludo

> >> Best Regards

> >> Pablo Giménez

> >> _______________________________________________

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> >> Sidefx-houdini-list at sidefx.com

> >> https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list

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> >

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>

> --

> Stephen Tucker

> Product Specialist

> Side Effects Software Inc.

> (416) 504 9876 x:331

> stucker at sidefx.com

>

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