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• Author: Mirana
• Date: 4-06-2015, 19:33
4-06-2015, 19:33

### cmiVFX: Houdini Advanced FLIP Fluid Systems

Category: Tutorials / 3D

cmiVFX – Houdini Advanced FLIP Fluid Systems
Duration 2h 1m Project Files Included MP4

This latest release from cmiVFX will take you on a joyride through the world of fluids by exploring beach wave simulations inside Houdini.
This video features mentor Arihant Gupta. Arihant is a Houdini TD at Ryhthm and Hues Studios, which is known for having worked on X-Men, The Lord of the Rings, and a host of other famous films over the years. We’ll be using the Houdini Flip Solver exclusively for this video, and we’ll gain an understanding of Houdini’s Ocean Tools. In addition, we’ll be taking a close look at the foam and spray of these ocean waves. You’ll get a chance to see how changing certain values can affect your simulation drastically, and then we’ll go in depth about the viscosity attribute in Houdini. The simple mathematics behind the viscosity chart will be demonstrated, and we’ll show a few practical examples where you’ll see how we can introduce multiple viscosity values to one single simulation. By the end of these lessons, you’ll have a solid understanding of the FLIP fluids workflow inside Houdini. You’ll be able to create and simulate your very own beach waves and melting bunnies quite easily.

Chapter Descriptions
Introduction
Before we begin, well talk about the project overview and what goals we are going to achieve throughout the course.
Beach Waves

Well start by setting up our FLIP tank for the beach waves. Well make use of Houdinis procedural techniques to get the attributes moving between SOPs and DOPs. Once we get the correct behavior for our waves, well jump onto simulating bubbles, foam and spray elements for it.
What is Viscosity?

This chapter discusses what viscosity is and how it affects our simulation. Well take a look at the viscosity chart and examine the variations that occur between viscosities in different fluid mediums. Well also learn that how we can control our viscosities using custom networks and attributes and how we can add multiple viscosity values to the same simulation.
Viscosity by Color

In this concluding chapter, well see how we can control our viscosity using color groups inside Houdini and well take advantage of Houdinis procedural workflow to understand the basic idea behind these groups. Lastly, well learn how to save these particles as BGEOs and render/light them as points.

Arihant Gupta is a Houdini TD working at Rhythm & Hues Studios. He graduated from Bournemouth University, United Kingdom last year in 2013 where he finished his masters in Digital Effects. When he is not on Houdini, he is an avid photographer.

Project Contents
All cmiVFX videos come with all the training materials you need right from our website. No matter what time of day, your location, or how your feeling, cmiVFX will be there waiting for you!

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