How to Create Flamethrower with Sparse Solver using Houdini 18 / Arnold

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Learn how to use Houdini 18 sparse solver simulation tools to create a realistic and explosive looking flamethrower effect using Arnold.
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VEX CODE
f@temperature = chramp("temp", clamp(@age, 0, 1)) * 2;
f@burn = chramp("temp", clamp(@age, 0, 1));
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Specifically, you'll learn...
A detailed overview of the whole process of creating a sparse solver fluid simulation. You will be starting by downloading an appropriate model, setting it in the scene and preparing for the simulation. You will learn what microsolvers, gravity, cooling rate, and a lot more attributes are.
If you like this video please leave a comment below and give this video a thumbs up.
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Опубликовано:

30 сен 2024

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Комментарии : 115

@mattrittman 4 года назад

Definitely not a tutorial for beginners. Went way too fast.

@brandoncyoung 3 года назад

@7:01 adjust a few settings. ahahhah

@ThomasKlyhnChristensen 4 года назад

Format is great, I wouldn't mind it being a few seconds slower, not to explain values because that's pointless, but more so reason. whats the thinking behind the setup? "then we want to adjust temperature, so we make a point wrangle and create the attribs" "we need to transfer the velocity so create point vop etc" right now this is nice to get a quick overview of setup approach if you already know how to handle pyro in houdini. if you have no idea, this format will never be for those people, and that's fine. It's the people in the middle im trying to adjust for, the people who knows what things do, but maybe have a harder time coming up a reason or solution themselves yet. So often it's fairly easy to understand what you are doing and how to do it, but really hard to think of why you would do it like that in the first place unless you have seen it before. anyway keep it up

@arvidurs 4 года назад

Really appreciate that! Yeah I will need to put more thought in to that format. Thanks again!

@hina_mikan2079 3 года назад

9min video i need 1 years to learn

@СергейИванюк-ж9и 3 года назад

is there any particular reason for such speed? It's like you're deliberately preventing people from learning. For example, at 2.38 you've didn't connect V to the output, but said otherwise. This is not how you teach people.

@arvidurs 3 года назад

The reason is to show the workflow and grand concept. That’s it

@shubhamrai4850 3 года назад

your video helped me a lot but speed is too fast

@jank-official 4 года назад

I really don't like the pace. It is not a good idea. Your previous videos were much, much easier to watch.

@Renix 3 года назад

This is way too fast to be a tutorial

@arvidurs 3 года назад

There’s a slower one with updates technique

@mqmadrid 4 года назад

All this its nice, but my unique critic could be that the font size its killing my eyes trying to follow this tut on a laptop.

@Rick_Sanchez_1337 3 года назад

nice, can you do it a lot faster next time? also please forget more steps so everything looks different than you show us. How this "tutorial" got nearly 900 likes is beyond me.

@arvidurs 3 года назад

Thanks for your feedback Rick - much appreciated, and I will consider your tips for my next video

@ale-pg3xb 4 года назад

Really good tutorial, but could you do a tutorial on how to shade volumetrics/pyro simulations in Mantra?

@tightlikeadish4481 4 года назад

I'm running into a similar issue. Not sure how to shade it with mantra for render. Otherwise this was great!

@kalibrador 4 года назад

The standard flame should work, and for more control you can use the temperature and heat visualization down dop network to remap the flame shader according to your particular pyro simulation

@ale-pg3xb 4 года назад

Nick yeah, for now I just export and import in blender, because Cycles is way faster and easier (at least for me)

@ale-pg3xb 4 года назад

Ahmed Solis yeah, will still use cycles because mantra is so slow

@linrex5790 Год назад

too fast

@lui3018 2 года назад

Hi, i have a problem. Why when i conect the volumevisualization to the dopimportfield i cant the anything , only a box with red lines. I cant see the colors, nothing.

@timphillips2307 4 года назад

Point velocity is a much better node to create the velocity for the particles

@nicolascerutti1485 4 года назад

2:15 my neighbor at 3am

@NotPiyussh 4 года назад

Hahaha

@jesusnieto2740 4 года назад

lol

@mae7350 Год назад

Hi I get error in gasdisturb when I turn OpenCl. Is there a way to fix that?

@Gyanevlogs 4 года назад

Good tutorial but it too fast

@arvidurs 4 года назад

Okay, noted! Thanks though :)

@FaddyVFX 3 года назад

Interesting approach, thank you for sharing your thoughts. I learned a lot from it, thank you for your time.

@vjelorg 4 года назад

Hallo Arvin kannst du mir Bitte eine Schulung empfehlen in Deutschland welche bietet Houdini Kurs an.Vielen Dank.

@ponikis8399 3 года назад

Absolutely useless "tutorial". Might as well say "just make fire".

@arvidurs 3 года назад

I can delete it for you if you want? Let me know. Maybe you appreciate this one more: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-UrcitW3LV2U.html

@scottkevin2923 4 года назад

Awesome! Are you using HtoA5.3.0?

@arvidurs 4 года назад

Hi I believe so yes

@ov3d246 4 года назад

you need houdini indie license

@wangtaian 4 года назад

Hi Arvid, thanks for the video. Mine @3:11 only have the original points when I hit play. After added the gravity value the points are falling down at the same 2D plane. Can you help me with what step I did wrong?

@imzbugni 4 года назад

In the point VOP, he forgets to plug the result of the add node into the N on the Geometry VOP Output node. That confused me too lol

@jaspersoomer9248 4 года назад

@@imzbugni I think it's v and N? Because I also connected to v and now they are moving.

@gunfire98 Год назад

i solved it by adding an attribute wrangle in which I set @v = @N

@vincentthomas8492 4 года назад

"Copy paste code below in the attribute wrange"... With all my respect , not that you lost me in the middle being familiar with houdini myself, but don t you think you should think of another approach here? Timelaps sculpting without constructive explication is okay, but maybe not that great for Houdini ? Just my opinion but thanks Arvid i will keep looking at your channel :)

@milad_savar 4 года назад

Thanks that's was awesome ... if u were talking about vdb export ass and use procedural Arnold , that would be awesome i try lots of time but don't know how work ..

@Staglaitor 2 года назад

thanks for video. About terminology - is flame (fire) effect a motion design or VFX or particle system essence?

@YanivGorali 4 года назад

Awesome!

@sungerbob1786 2 года назад

thank you sir! this is a great tutorial. can you add mantra/karma rendering aproaches to your tuts? so we can fallow along..

@ollimation 3 года назад

you could use attribnoise node instead of the attribVOP - bit quicker to setup.

@royjohn76 4 года назад

Love the format! Great tutorial

@arvidurs 4 года назад

So glad!

@S-I-T 4 года назад

Fantastic tutorial. Many thanks.

@executioner3226 4 года назад

How to use haircard texture in houdini 18 ?

@massimobaita7178 3 года назад

Thank You very much, Arvid!

@JaredKuharski 2 года назад

Found this when I typed "what effects use divergence field in Houdini" :)

@arvidurs 2 года назад

hehe :D

@robertoguerrero7137 4 года назад

At minute 3:11, in my simulation, the points stay in the same place, I have reviewed my project several times and it is the same as in the video. Does anyone know what could be happening?thanks

@himanshuthakre388 4 года назад

You need to plug the Normal that you made by adding noise into velocity in sops and in dops inherit the velocity

@abhilashwolffxartworks9592 4 года назад

Nice and awesome tutorial. I want to ask a question though. The blast part. How do you do that? I tried selecting the points and do blast but nothing happens. The not section below blast node comes blank while yours say 4479. How do I do that select the points and do blast?

@arvidurs 4 года назад

In the blast node click the selection top right which will get you the selection mode. Then select point and confirm with enter. That should put the point number in the selection and blast the points

@andreyluccahannes5377 4 года назад

Where are u getting your velocity attribute from. It suddenly appears in the geometry spreadsheet (2:43) without you changing anything? Sorry if I just didn't see it, but I rewatched it now 5 times and couldn't find it

@arvidurs 4 года назад

Yup! So the velocity is coming from the particles. You create the fuel particle source, and after the simulation it will have calculated the velocities and add them to the spreadsheet.

@ChrisCousins 4 года назад

Great stuff, like the rapid pace and simple setup. One thing, at 2:41 you mention piping the noise output into the Normal and velocity, but you only show it going into the N, which could be confusing unless you're listening carefully! Also it goes a bit too fast around 4:45, some of the settings I had to advance frame-by-frame to see.

@arvidurs 4 года назад

Hey Chris! Yes, you’re right. I fixed that V plug a bit later in the video. Shoul annotate that. And I agree it’s too fast! Will need to work ok this kind of format. The hip file is also available for people having big problems :)

@ChrisCousins 4 года назад

@@arvidurs Great thanks. I look forward to seeing what you come up with next time :-)

@kyozhan7172 4 года назад

how can you downoad .abc file from mixmo?I can only find the .fbx

@arvidurs 4 года назад

Not sure if they support abc

@starwarz8479 4 года назад

Perfect speed, I like it!

@briyaniisnice9380 4 года назад

great tutorial but one problem .. hehe i dont hv arnold

@arvidurs 4 года назад

Yeah but any modern render engine can handle volume

@timothywiley6334 4 года назад

YES

@vectorhunter4659 4 года назад

cool man

@KevRyanCG 4 года назад

This was great, Not so much for each individual setting but just for a torrent of ideas and approaches that I wasn't familiar with. Subscribed!

@arvidurs 4 года назад

Thanks Kev! Yes it’s mainly about the big picture

@romanaz5789 4 года назад

лайк

@alvarosantos1456 4 года назад

4:54 i can't see the flames. Can u help me? thx

@AmeiranYT 4 года назад

did you figure it out? having same problem.

@AmeiranYT 4 года назад

nvm, i wasn't in the right place in the viewport

@mqmadrid 4 года назад

my pop node generates particles but dont move forward, normals guides are ok and woth noise, they stay on the circle emitter.

@arvidurs 4 года назад

Make sure you have velocity v - convert the normals to v

@mqmadrid 4 года назад

@@arvidurs thanks, yes I undestand a lot in theory, but Im new in houdini, start with houdini industry makes me use c4d and now im back to houdini, and not sure how to make the convertion, should be via Vop or some code line, if you could guide me where to look... som options or just another tut with stuffs like that wich I need to learn before... Thank you a lot, its a great way to teach Houdini, there are many tutorials too longs and not to practical enough to create learning, and not a good tutorial follower. I apreciate when have an excercise involved. Thank you again, if you can give me more comments please.

@mqmadrid 4 года назад

dont see the moment when you do that, have diferent result with same setup on vop, dont see when you conect something to v - or convert normals to v... help please,

@mqmadrid 4 года назад

im starting from a circle, normal, scatter, attvop...

@mqmadrid 4 года назад

@@arvidurs I conect the noise to N and V to get velocity but you did not that... even with that doesnt work, i set inherited velocity on pop attribute, still doesnt work, so then just reset initial velocity woth CTRL+ LMB over use Inherited velocity (same value that I have) and then got velocity in particles, super strange!

@LaFaisal 4 года назад

Tutorial for Maya also

@LeoLeenus 4 года назад

i dont understand what each setting is for????

@arvidurs 4 года назад

Hi Leo! This is the downside of a fast tutorial. It's about the steps and concepts. Not about each attribute. Explaining each attributes in the video will make this a masterclass. easily going above the 1h mark.

@dauletbekishev 4 года назад

100% love this type of tutorials! Right on point, super quickly and you get to the end result as expected. Finding what each/every button does can googled, no need to explain each and every single thing. Or just can be found on RU-vid. But we definitely need more start-to-end projects like this. And then people can play with buttons by themselves. EXCEPT the coding part. That is one place where I think it's is better to explain what's the purpose of the expression and what it does (and how). Just copy-pasting is not really... helpful IMHO. But the rest was very clear and very nice. Thank you very much for sharing!

@TheWillvoss 4 года назад

that 1 minute blender guy really started something. thanks for the tutorial!! just bought redshift.

@piwypd0 4 года назад

i have no idea what u doin

@arvidurs 4 года назад

That’s alright :) it’s just a conceptual video on how to approach a flamethrower effect

@DanteMetaphor 4 года назад

was just looking for something like this, and here we are... dope

@arvidurs 4 года назад

that's great! good timing! Let me know if you have any questions!

@vincentthomas8492 4 года назад

VEX CODE why not only this instead ? faster.. f@temperature = chramp("temp", clamp(@age, 0, 1)) * 2; f@burn = f@temperature / 2;

@npmmalayalamvfxtutorials1717 4 года назад

Beginners don't want to write vex bro

@dmitrypugachev3184 4 года назад

Thanks you so much, it's very fast and useful:) good idea for recording next tutors: Houdini - Preferences - General User - Global UI Scale set approx. 1.1-1.3 :)

@arvidurs 4 года назад

yeah I was thinking about that as well. But it's also recorded in 4k

@infinitesound7815 4 года назад

thank you sir. This is awesome

@MathiasJ89 4 года назад

Awesome stuff! Would love to see a space rocket engine pyro sim if you're ever up for it :D

@arvidurs 4 года назад

sounds like a challenge for sure!

@chetanwalia9598 4 года назад

@@arvidurs i have been hoping for that tutorial for a long time now , please do it

@joaquimcraveiro7991 4 года назад

Great straight forward explanation !

@sohamdas7314 4 года назад

I have been following you for the past few years I absolutely love your work and it has helped me grow exponentially over these years. But I would love if you could showcase some other renderer like redshift of Vray thanks! 😊

@jank-official 4 года назад

sometimes too fast

@Tritoon710 4 года назад

Thank you so much Arvid. Can you please make tutorials about Lighting with Katana.

@arvidurs 4 года назад

Tritoon710 Hi there! Right now I just have one course on Udemy for lookdev lighting in katana

@Tritoon710 4 года назад

@@arvidurs Great! will check that out, thank you :)

@leoniemaier4253 4 года назад

if I use the volume visualization node, nothing happens.. therefor I can't render :( what can be the issue?I thought I made it just like you did :D

@arvidurs 4 года назад

Make sure to add the attributes to it, like density burn etc. if you are talking about the viewport visualizer you need 2 nodes to display the volume velocities.

@josephstalin4788 4 года назад

Thank you!

@arvidurs 4 года назад

You're welcome!

@naifox1 4 года назад

I hope you do it in MAYA

@ale-pg3xb 4 года назад

Maya isnt that great for simulation, yes it is good but not as Houdini. You can export the pyro simulation to OpenVDB and import it in Maya. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-q2bMlsP7LZo.html This is a tutorial on how to do it.