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Start & Stop A Flow In Fluid Simulations | Easy Tutorial On Flow Object | Blender Eevee & Cycles

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In this tutorial, we will learn how to start a flow, or stop a flow in a Fluid Simulation in Blender. If you add a flow object into a scene, by default it runs all throughout the simulation duration. But you can easily control it, stop it or start it at your preferred time, just like a tap water. We have discussed two different methods to achieve this - one easy method, and another little more sophisticated & better technique. Please watch the video for the complete tutorial. If you have any question on this tutorial, please leave your comment below.
If you are new to Fluid Simulation in Blender, you can watch the below tutorial where I have discussed the basic steps in details:
𝐅𝐥𝐮𝐢𝐝 𝐒𝐢𝐦𝐮𝐥𝐚𝐭𝐢𝐨𝐧 𝐢𝐧 𝐁𝐥𝐞𝐧𝐝𝐞𝐫 𝐝𝐞𝐜𝐨𝐝𝐞𝐝 👉 • Fluid Simulation Decod...
𝐔𝐬𝐞 𝐨𝐟 𝐜𝐨𝐧𝐭𝐚𝐢𝐧𝐞𝐫𝐬 𝐢𝐧 𝐅𝐥𝐮𝐢𝐝 𝐒𝐢𝐦𝐮𝐥𝐚𝐭𝐢𝐨𝐧 👉 • Fluid Container Explai...
𝐅𝐨𝐥𝐥𝐨𝐰 𝐮𝐬 𝐨𝐧 𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦 👉 / 5minutesblender
𝐓𝐡𝐚𝐧𝐤𝐬 𝐟𝐨𝐫 𝐲𝐨𝐮𝐫 𝐝𝐨𝐧𝐚𝐭𝐢𝐨𝐧𝐬 👉 donorbox.org/5...
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We have many more tutorials that can help you learn Blender like a professional. You can go through the following playlists for the relevant topics:
👇 𝐁𝐥𝐞𝐧𝐝𝐞𝐫 𝐅𝐨𝐮𝐧𝐝𝐚𝐭𝐢𝐨𝐧 𝐂𝐨𝐮𝐫𝐬𝐞 𝐓𝐮𝐭𝐨𝐫𝐢𝐚𝐥𝐬:
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👇 𝐂𝐚𝐦𝐞𝐫𝐚 𝐌𝐨𝐯𝐞𝐦𝐞𝐧𝐭 & 𝐒𝐞𝐭𝐭𝐢𝐧𝐠𝐬 𝐈𝐧 𝐁𝐥𝐞𝐧𝐝𝐞𝐫:
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👇 𝐔𝐬𝐞𝐟𝐮𝐥 𝐋𝐢𝐠𝐡𝐭𝐢𝐧𝐠 𝐒𝐞𝐭𝐮𝐩 𝐈𝐧 𝐁𝐥𝐞𝐧𝐝𝐞𝐫 (𝐓𝐮𝐭𝐨𝐫𝐢𝐚𝐥𝐬):
• Useful Lighting Setup ...
👇 𝐑𝐢𝐠𝐢𝐝 𝐁𝐨𝐝𝐲 𝐏𝐡𝐲𝐬𝐢𝐜𝐬 & 𝐑𝐢𝐠𝐢𝐝 𝐁𝐨𝐝𝐲 𝐂𝐨𝐧𝐬𝐭𝐫𝐚𝐢𝐧𝐭𝐬:
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👇 𝐅𝐢𝐫𝐞 & 𝐒𝐦𝐨𝐤𝐞 𝐒𝐢𝐦𝐮𝐥𝐚𝐭𝐢𝐨𝐧 𝐈𝐧 𝐁𝐥𝐞𝐧𝐝𝐞𝐫 (𝐓𝐮𝐭𝐨𝐫𝐢𝐚𝐥𝐬):
• Fire & Smoke Simulatio...
👇 𝐅𝐥𝐮𝐢𝐝 𝐒𝐢𝐦𝐮𝐥𝐚𝐭𝐢𝐨𝐧 𝐈𝐧 𝐁𝐥𝐞𝐧𝐝𝐞𝐫 (𝐓𝐮𝐭𝐨𝐫𝐢𝐚𝐥𝐬):
• Fluid Simulation in Bl...
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If you want to watch our own creations in Blender, you can also check out the following channel where we regularly upload videos on Animation, Space Exploration and AI.
𝐎𝐮𝐫 𝐨𝐭𝐡𝐞𝐫 𝐜𝐡𝐚𝐧𝐧𝐞𝐥 𝐥𝐢𝐧𝐤: / @thealienworld
#Blender #Animation #FluidSimulation
Timestamp
00:00 Introduction
00:21 Setup one basic fluid simulation
02:04 Method 1 to start and stop the flow
04:13 Method 2 to start and stop the flow
06:53 Verify the result of flow start & stop
07:13 Add a tap open & close animation
08:12 Verify the final result including tap

Опубликовано:

17 авг 2024

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Комментарии : 82

@5MinutesBlender 3 года назад

If you liked this tutorial, please consider making a small donation, it will help us! 𝐘𝐨𝐮 𝐜𝐚𝐧 𝐬𝐞𝐧𝐝 𝐲𝐨𝐮𝐫 𝐝𝐨𝐧𝐚𝐭𝐢𝐨𝐧 𝐡𝐞𝐫𝐞 👉 donorbox.org/5-minutes-blender

@IZIKTOONS 7 месяцев назад

😭😭😭 this video is a life saver, I have been trying to understand how to stop a fluid for more than 2 months. This video just showed me the secret. Thank you so much

@5MinutesBlender 7 месяцев назад

Glad I could help 😊 Cheers! 💝💝

@d0bata Год назад

Goat. The only tutorial where the tutor says "please select". Jokes aside. That's what I was looking for. Thank you.

@5MinutesBlender Год назад

Glad to know that the tutorial was helpful for you 😊💖💖

@wocmultimedia 3 года назад

It's a clear and good tutorial. Is there a video on creating the tap? Your simulation it's easily applicable to other objects as well as a leaning bottle and more. Thanks a lot, very important for a beginner like me

@5MinutesBlender 3 года назад

Glad to know that you found it useful! We did not publish any tutorial on that tap modeling yet, as it is quite easy to build. If you still think it will help, we can publish a quick tutorial on that as well. Please let us know. And wish you All-The-Very-Best in your journey with animation.

@DarkHarpuia 5 месяцев назад

Very easy to understand tutorial! I had a suspicion that manipulating the inflow object's size would affect the overall flow, but I had no idea you could keyframe the inflow toggle!

@5MinutesBlender 5 месяцев назад

Glad you liked the tutorial and it helped you 😊💝💝

@iamrusdark 3 года назад

Cool! I like the trick with domain scaling. Thanx! 🖖😊

@5MinutesBlender 3 года назад

Glad you liked it!

@CaptainBlackSea 5 месяцев назад

thank you so much again :)

@5MinutesBlender 5 месяцев назад

I'm glad it helped 😊💝💝

@blastercreations3487 Год назад

Very useful video. Thank You ❤

@5MinutesBlender Год назад

Thank you too 💝💝

@jeanclaudethedarklord6205 2 года назад

thanks man

@WhiteTechWT 2 года назад

Thank you so much!

@5MinutesBlender 2 года назад

You are most welcome!

@user-ht8yz2ex4f Год назад

You will be able to explain from the beginning how you made the faucet and the sink for those who want to make one, thank you

@5MinutesBlender Год назад

Well, if time permits, we will do that certainly. But we did not see anyone else asking for the tutorial on the design part, so we never focused there 🙂

@lakvfx 2 года назад

Awesome, keep it up ❤❤

@5MinutesBlender 2 года назад

Thank you so much! 💝

@illinoisslots4323 2 года назад

6:10 ayyyy toooo

@foreign-livingtheamericand8782 Год назад

Hi, what can cause the simulation to not show on play or after bake?

@5MinutesBlender Год назад

Either the domain resolution is too low compared to the domain size, or the flow object may be too small (there is a sweet spot between the domain size, resolution division and the flow object size - with bigger domain size you need to either increase domain resolution sufficiently or increase the size of the flow object). Other causes may be that the flow object is almost covered by an effector, or Blender's cache files are simply outdated - you need to manually refresh the cache. So far as I have seen, all issues are limited to one of these 4 causes mentioned here.

@foreign-livingtheamericand8782 Год назад

thanks, one of them did the trick

@arush2610 Год назад

How do you keep the domain object (The Cube) from showing up in the final product?

@5MinutesBlender Год назад

A baked domain never gets displayed as a cube. The problem you are facing is due to an incorrect baking. You need to bake the domain for the entire length of your video, otherwise it will show up as a solid box. For some reason if you need to bake only part of it, you can hide the domain box for rest of your video by dynamically changing its size factor to zero. Keep the original size when needed, and after that change it to zero with a suitable pair of keyframes. Then it won't be visible in the render outside the bake region.

@arush2610 Год назад

@@5MinutesBlender Thank you so much!

@unemployedguys2533 3 года назад

U are amazing

@5MinutesBlender 3 года назад

Thanks much bro!

@lakvfx 2 года назад

Love from Pakistan ❤💙💜

@5MinutesBlender 2 года назад

Hey buddy 💝💝💝

@mamunurrashidnahid1007 2 года назад

very good narrated tutorial... How do you make text to speech?

@Mrwuck88 3 года назад

when i play animation, why the uv sphere is not making fluid? I tried Check the liquid box & mesh from domain? And bake it both, only can have the animation, but its different form yours too.

@5MinutesBlender 3 года назад

There can be multiple possible reasons behind this. The most probable reason is, your old bake cache is not refreshed or deleted, and hence Blender is playing the old data, although you have baked it. Try changing the resolution division so that the cache is refreshed. Sometimes it still does not work. You may need to manually delete the cache files. Among other reasons, one could be related to the size of your flow object. The flow object does not work if it is too small in size compared to the domain and you have set a lower resolution division. If these things do not fix the problem, you can kindly share your blend file with us, and we will be more than happy to help you out in finding the root cause of the problem. You can get our contact details (Email ID) from the About section of this channel. Thanks for your visit!

@fennafenn 2 года назад

Hello, I hope you can help me stop the Flow from keyframing? For me, it's a Honey-like substance that has to be turned on and off. If I Bake that before and after then it takes a very long time sometimes a lot of frames later that the flow only stops after I have keyframes. And suddenly the collision with my other object no longer works. I hope you can and want to help with this? I also tried by setting the Domain setting to Type Modular, but after the Data Baking the Mesh Bake button remains gray (even though Mesh is checked), so I have it bake in type: All. I work in Blender 3.01. can I contact you about this somewhere? For the rest, a nice and powerful Tutorial, and I want to know what exactly I'm doing wrong and how to solve it?😊 I hope you can give tips etc?

@5MinutesBlender 2 года назад

We can surely help you. It will be better if we can see your blend file. Our contact details are given in the About section of this channel. Please mail your blend file to us, we will get it checked by our team.

@wisnuwardhana6423 2 года назад

When the water is not flowing (usually on early frame) my render result always showing the domain box and its gone at the time the water is animated. i realize, if the animation start and end on the domain isn't match with the flowing water timing, the box is always showed in render result. how to fix this? already set the domain to wire and checked mesh on the domain option.

@5MinutesBlender 2 года назад

I faced this issue, it is simple. Let me first explain what happened in my case. My animation was from frame 1 to frame 500. But I needed the water only from frame 150 to 350. So I baked the fluid simulation only from 150 to 350. However, when I ran the animation, the domain box was appearing outside that range. So I baked the fluid simulation all throughout from frame 1 to frame 500. Then there was no such box visible in render. So quick fix: Change your simulation length to match that of your animation length, bake the simulation entirely, and then check. If this does not solve your issue, I think I need to look at your particular blend file. If you can kindly send your blend file, I will get back to you. Our contact details (Email ID) are given in the About section. Thanks!

@wisnuwardhana6423 2 года назад

@@5MinutesBlender I did match the end and start frame. in fact i tried with fresh new blend file. i use replay type so i'm not baking anything. because when i use modular and bake it, every frame is covered with the box, can't see the water at all (while replay render only show the box when there is no water). i tried with several new blend files and result the same. i use quick fluid option. will try manually making without instant set up from blender and see how it goes.

@wisnuwardhana6423 2 года назад

Nope, still the same result. i wonder what i'm doing wrong ..

@5MinutesBlender 2 года назад

Hey, did you bake the mesh as well? First bake the simulation. Then turn on the mesh option, and bake the mesh as well. Afterwards the fluid will display instead of the box domain.

@5MinutesBlender 2 года назад

In the following tutorial ( ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-UHqh-Pe5WXI.html ) these steps are explained. We need to bake twice, once for the fluid simulation, and once for the mesh. I hope this helps. Otherwise please send your blend file to us via email, we are here to help you. No worry!

@kbbhjv806 Год назад

how to make the little drops at the end?? :"((( tried many ways cannot replicate

@5MinutesBlender Год назад

You need to reduce the size of the flow object and enable-disable its flow property in quick succession. Like enable at frame# 200 and disable at 205, again enable at 220 and disable at 225 etc. It will produce droplets of water instead of a running flow.

@jonaskalahd5110 2 года назад

i want to start the fluid simulation at frame 150 and stop in 300 , it works very well , thank you but in first frames a little bit fluid comes out , strange

@jonaskalahd5110 2 года назад

ok sorry , it works, great video

@5MinutesBlender 2 года назад

Good to know it worked. Thank you!

@jonaskalahd5110 2 года назад

@@5MinutesBlender 💚💗💚😘

@harrisallontanamentovolati6171 3 года назад

❤️

@c_06c 3 года назад

Space floating water.

@PK3d-Artist 4 месяца назад

How you can simulate in realtime?

@5MinutesBlender 4 месяца назад

I did not get what you meant 🤔 Can you please explain? Blender physics is difficult to run in real time without baking, more so for fluid physics (if that's what you meant).

@PK3d-Artist 4 месяца назад

I got it Bro! I was wanted to play simulation in real time without being baking for such a big time. I just changed settings from modular to replay in bake settings and it works.@@5MinutesBlender

@dimasyoga2777 Год назад

how we do it from flip fluid

@5MinutesBlender Год назад

Never used flip fluid addon, so I may not be able to help you here. Sorry 🙁

@MargaritaHunter 2 года назад

Nothing happens when checking the flow before verifying..No blue particles shown (even after baking). What are your other settings for the fluid simulation?

@5MinutesBlender 2 года назад

Sorry to hear that. We did not use any special setup, all other settings are same as the default setup. But there can be various reasons why the simulation fails for your scene. First of all, please let me know whether the slow down of the fluid is not happening in your case, or whether the fluid simulation is entirely not visible at all. In the later case, the culprit can be either the cache files, or the scale of your scene. The size of your flow object, size of the domain, and the resolution of the domain must be within a realistic range - otherwise you wont see any fluid. Please try to increase the domain resolution. Also, an old cache file can often break everything. And the fact is, Blender's own clear cache buttons do not always work. I have mentioned a work around for this, changing the domain resolution would usually refresh the cache. Please try these things and let me know what results you get.

@ahmadkhansial 2 года назад

Ia m trying to create a particle simulation in blender 3.0 but under fluid options particle simulation is gone do you know anything about it?

@5MinutesBlender 2 года назад

As far as I know, there is no such change in version 3.0 (I just checked it now once again). If you select the domain object, and go to the particle properties tab, you will see the particle system created by Blender (which you can edit as per your requirement). Essentially it is same as before. The particle system is attached to the Domain object, not to the Flow object. Can you please re-check once?

@ahmadkhansial 2 года назад

@@5MinutesBlender ooh okay thank you so much ❤️🙏 just got it🙌

@ahmadkhansial 2 года назад

Btw loving your tutorials keep em coming nd btw another silly question Where r u from?🤔😅

@5MinutesBlender 2 года назад

@@ahmadkhansial Well, geographical boundaries often create differences. So let me put it this way, I am from the same planet as yours! Love 💝💝

@ahmadkhansial 2 года назад

@@5MinutesBlender hahahahha love your humor nd u r right also😍

@getmyuted 3 года назад

How to rigged character plss

@radhinnasywanabyasa1673 3 года назад

How to make slime using blender?

@5MinutesBlender 3 года назад

You need to play with Viscosity and Surface Tension, found under the Viscosity and Diffusion tabs in the domain object (Physics properties). It is a sticky glue type material with little transparency as well. We will make plans for a tutorial on this sometime later.

@radhinnasywanabyasa1673 3 года назад

@@5MinutesBlender wow, thankyou.

@moustafakhalid6879 2 года назад

what am i missing nothing is happening

@5MinutesBlender 2 года назад

Hi, there can be several reasons for this. 1) Your domain resolution may be too small for the scene. If you have a big domain and a small flow object, you need to use a high value for the domain resolution, otherwise no fluid will be generated. 2) Your cache files may be outdated, you need to clear them. Sometimes clearing them from within Blender does not work, it's a bug. You need to manually delete those files from your system. 3) If you are using an effector, make sure that it is not too close to the flow object, there is sufficient gap between them, and it does not cover the flow object entirely, otherwise flow won't be generated. While there can be some other reasons as well, these are the most common reasons when we see nothing is happening.

@SublimeStudiosss 3 года назад

9 minute video for something that only takes a minute to explain :/ still worked though so I liked

@5MinutesBlender 3 года назад

We have added chapter links into the tutorial so that one can directly jump to the particular section he needs to watch. In this tutorial, we have discussed two different methods and one improvement technique on top of that. Not sure if the entire thing can be realistically covered within one minute. There are many viewers who are new to Blender, and we constantly receive requests to explain the basics in order to setup a scene. For experienced users, I believe the chapter shortcuts will help. If you have another suggestion, please let us know, we are all ears! And lastly, I am glad that it somehow helped you too :D All the best!