Linx Moving Objects Fluidsim Preview

Nick_Lambert · Post by **Nick_Lambert** » Sun Jan 15, 2006 8:01 pm

n_t wrote:Money_YaY!: I finally setup a mac here and tried to build a mac version, here it is (Python2.4): http://www10.informatik.uni-erlangen.de ... mac.tar.gz
I'm not sure how works together with the different OSX versions, though...

Many thanks Nils, I'll let you know how 10.4.4 works out.

Nick_Lambert · Post by **Nick_Lambert** » Sun Jan 15, 2006 8:17 pm

Nick_Lambert wrote:
n_t wrote:Money_YaY!: I finally setup a mac here and tried to build a mac version, here it is (Python2.4): http://www10.informatik.uni-erlangen.de ... mac.tar.gz
I'm not sure how works together with the different OSX versions, though...
Many thanks Nils, I'll let you know how 10.4.4 works out.

Won't even launch

n_t · Post by **n_t** » Mon Jan 16, 2006 4:42 pm

hi Nick_Lambert, bad to hear - could you try to get the command line output (by starting Blender from a console or so)...? That sounds like the wrong python version, or some library problem.

rcas · Post by **rcas** » Mon Jan 16, 2006 5:37 pm

n_t wrote:hi Nick_Lambert, bad to hear - could you try to get the command line output (by starting Blender from a console or so)...? That sounds like the wrong python version, or some library problem.

If this was working fine (stable) in all platforms it would be a very good addition to the upcoming 2.41 release.

LetterRip · Post by **LetterRip** » Mon Jan 16, 2006 11:43 pm

rcas,

it is fairly unstable from my testing, and is far too late in the release cycle for a major addition - Ton would have kittens

2.42 or 2.50 whatever we call it is only a couple of months away, it isn't like it will be a half a year or so

LetterRip

rcas · Post by **rcas** » Tue Jan 17, 2006 5:02 pm

LetterRip wrote:rcas,

it is fairly unstable from my testing, and is far too late in the release cycle for a major addition - Ton would have kittens

2.42 or 2.50 whatever we call it is only a couple of months away, it isn't like it will be a half a year or so

LetterRip

I compile CVS myself, so I have no problems with that

I was just pointing out for the Stable version users, not crazy guys like me that use the CVS version, hehe.
But since it isn't that stable might aswell wait, yes.

Oh, I stand for 2.50, minor version should be for revisions or bug fixes.

-- Rui --

simhar · Post by **simhar** » Tue Jan 17, 2006 10:21 pm

hello,
is the lattice-boltzman-method, you are using in the implementation able to be used in professional cfd-simulations; i looked out and found just powerFLOW as an example for an professional cfd-solver based on lattice-boltzman (for example fluent is using finite-volume-method) ... so, do you think your implementation in blender is exact and stable enough to run scientific simulations or is it just "lookalike".

thanks
simon

simhar · Post by **simhar** » Tue Jan 17, 2006 10:21 pm

hello,
is the lattice-boltzman-method, you are using in the implementation, able to be used in professional cfd-simulations; i looked out and found just powerFLOW as an example for an professional cfd-solver based on lattice-boltzman (for example fluent is using finite-volume-method) ... so, do you think your implementation in blender is exact and stable enough to run scientific simulations or is it just "lookalike".

thanks
simon

STaRMaN · Post by **STaRMaN** » Wed Jan 18, 2006 3:28 am

n_t, i had have to register only for congratulate you by this. It's great.
I'm making some tests, and i am

too..

I hope that we have it in a next official release

if someone has some good tests (and/or ideas) could post them here..

Hello for all

(this is my first post)

ZanQdo · Post by **ZanQdo** » Mon Jan 23, 2006 7:19 pm

Nils how much longuer do you think this would be in cvs? I'm using fluids for a project rigth now and I kind of miss moving obstacles-fluids

LetterRip · Post by **LetterRip** » Mon Jan 23, 2006 9:28 pm

ZanQdo,

it isn't in CVS yet, hopefully he will put it in once 2.41 comes out...

LetterRip

ZanQdo · Post by **ZanQdo** » Tue Jan 24, 2006 9:08 am

Cool, this is a recent render of the thing I'm doing:

http://www.3developer.com/wip/FresaFluidWip.mov

but soon I will need a moving object scene, I could use a linux box but I'm also using node materials so I'm on a problem rigth now

Anyway thanks for everything

n_t · Post by **n_t** » Mon Jan 30, 2006 3:51 pm

simhar: the method was developed to do optimizations of metal foaming processes, so there's a physical background and it should approximate the underlying equations quite well. For any simulations with physical relevance I would recommend doing some accuray tests first, though... This powerFLOW software is the first commercial LBM program, but mostly because the method is quite new in contrast to other ones.

ZanQdo: good question, from the respones here I think at least the new API works quite well, so I hope I can start checking it in sometime soon. Nice animation btw.!

STaRMaN: if you have some nice animation with moving obstacles, you could also post it

ZanQdo · Post by **ZanQdo** » Fri Feb 03, 2006 5:07 am

Hi nils, I have another question, is it going to be posible to make fluid simulation threaded?, we are using the solver quite a bit here but the baking times can get too long and I'm wasting a prosessor in my machine

EDIT: OK, installed a Linux box here, lets see how it works

I think I can calculate the meshes in this test build and then load them in my recent cvs build for rendering with node materials, (that's a question, I jus't cant find the question mark in this Linux box LOL)

EDIT2: Answering my own question, yes I could load fluid mesh data easily in another proyect, cool

Is it posible to make the inflow velocity Local? I want to rotate an inflow object to spread fluids in all directions but that does't work

cekuhnen · Post by **cekuhnen** » Sat Feb 04, 2006 11:47 pm

very amazing looking movie.

how far will it be possible to letthe mesh look like natural water
while still being able to work with the application?

in the move the fluid looks very blotchy and you see the
underlying 3d mesh.

claas