cmiVFX | Blender Advanced Fluid Dynamics

Blender Advanced Fluids
(Using Blender's Fluid Dynamics Engine)

cmiVFX is proud to announce professional grade training for the Blender 3D open source community.

Learn how to create stunning images and animations with software you can download right now for free. cmiVFX extends the open source communities knowledge of Blender's fluid dynamics by organizing and testing it in a production environment.

Blender allows the realistic simulation of fluids as they interact with stationary objects. Be aware that this kind of simulation is very CPU and memory intensive. Before locking your computer for several hours, it is recommended that you do some tests at low resolution.

The implementation uses the Lattice-Boltzmann Method, which is a kind of cellular automaton to simulate the macroscopic behavior of fluids. The method is attractive due to it's simplicity, flexibility and efficiency. Blender has an integrated fluid dynamics solver, which can be used for liquid fluids such as water, oil, and honey.

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Introduction to Blender's Fluids
A quick run-through to get familiar with the interface and available options in the fluid simulator. We explain a little bit on how the simulator works while demonstrating the various fluid types and obstacles
(static and animated).

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Turning on a Faucet
Get the water running. You don't always have the convenience of being provided with models that work well for fluid simulation. See how to deal with simulations that don't behave properly by using proxy obstacles and outflow objects.

SCREENSHOT

Faking Smoke
Blender's fluid simulator is only about water. When combined with the internal node-based compositor, it can also be fairly effective at faking smoke. Adjust the gravity, change some forces, customize the viscosity, give the compressibility a bit of tweak, and - BLAMMO - you've got smoke behavior.

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Waterfall
The fluid simulator is not perfect. Large scale simulations require some finesse to look right. The right combination of fluids, particles, and motion blur can go a long way towards meeting that end. We show you how to get that finesse.

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Turning a Water Mill
Future incarnations of the fluid simulator may be able to apply a force to an obstacle, influencing its position and orientation. However, the current one cannot. We won't let that stop us, though. That corn ain' t gonna grind itself. Let's get that mill spinning!

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Splashing a Logo
It's a classic story. Clients want to play in the water, but they don't want to get wet. With fluid dynamics, that's possible. Splash logos in a variety of ways by adjusting slip, tracer particles, and initial forces.

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Destroying a City
Who hasn't dreamed of doing this? We show you how to mount an oceanic assault on a small metropolis. Overcome some of the issues of scale in the simulator and have a blast tweaking the wave of your destructive storm surge.

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Melting a Character
The other thing people dream of doing! A great example for cartoon animation, we go into what parts of the fluid simulator are and are not influenced by the armature system. Guest star: ManCandy.

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Splashing a Moving Character
If melting him wasn't enough, we have a little more abuse to hand out to the ManCandy character: splashing him as he waits on the sidewalk. Here we show how to use armature animation to influence an obstacle. While perhaps not so great for the character, it's fantastic for animators.

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The Exploding Tub
And now for something you don't see every day: water blasting out of a bathtub. In this example we show you how to use fluid IPO curves to to control the behavior of an inflow object.

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A Molten Logo
With the ability to control the behavior of inflow objects using fluid IPOs, a number of great options become available, especially for custom-animated logos. Here we use those controls in concert with the compositor to pour ourselves a logo.

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Oozing Blood
A quick practical example using the fluid simulator. Animated characters get beat up, stabbed, and shot with a frightening frequency. Using Blender's fluid simulator and adjusting the viscosity and initial force of the fluid, we show you how to make those gruesome acts more believable.

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The Author

Bio:
Jason van Gumster is a co-owner and "Production Monkey" for Hand Turkey Studios, a small animation, illustration, and print design company based in Richmond, Virginia. They produce commercial animation for local clients and offer hands-on Blender training. A Blender user since 1998, Jason has given demonstrations and workshops on Blender in Virginia and North Carolina, as well as at the 2003 and 2006 SIGGRAPH conferences. He has been featured on blendernation.org for his work, his participation in the Red Hat High youth technology camp, and his role as the Blender.org gallery maintainer. Deploy your questions via carrier pigeon to jason@handturkeystudios.com

About Blender
Blender is an Open Source 3D modeling and animation suite that was initially developed by Ton Roosendaal as an in-house tool for the Dutch animation company he co-founded, NeoGeo. A new company, Not a Number, was spun off to develop Blender as commercial software. Three years later, Not a Number was forced closed its doors. However, by that point, Blender had a huge, enthusiastic, and loyal user base. Ton formed the Blender Foundation in 2002 and struck a deal with investors of Not a Number: If the community could raise 100,000 Euro in 6 months, the Foundation could buy the rights to the Blender source and ultimately open source it. That money was raised in 7 weeks. Since then, Blender has been in the hands of the community and has grown in functionality and usability by leaps and bounds. And the story continues... Download blender for free here


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	WHO THIS video IS FOR This video was made for every VFX house around the globe. If your VFX house focuses on Advertising Design, then there are no limits to how many times you will need to use Fluids in production. From Summer Block Busters to Medical Animations, Fluid Dynamics is where its at!


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