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For over 10 years, we at cmiVFX have been providing valuable lessons in both real-world and experimental techniques that define the very fabric of the Visual Effects Industry. Our training material cannot be found anywhere else because we provide you with knowledge from mentors who have contributed to a number of the world's most famous movies, advertisements, and media. We operate based on your participation. Each and every sale funds new lessons and web development. Come be a part of the vfx community and join with thousands of others who have made cmiVFX their indispensable source for visual effects and computer training. (REGISTER HERE)

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New Releases

Houdini Sand Solver

Houdini Sand Solver

This advanced video will take you through the steps of creating a sand solver in Houdini.

Color Theory For VFX Artists

Color Theory For VFX Artists

Get a head start on your color skills, or watch this as a refresher and see how much information you have been forgetting to use!

Digital Matte Painting Scenarios Volume 1

Digital Matte Painting Scenarios Volume 1

Learn how to travel along the digital matte painting pipeline, focusing on 2d to 3d matte extractions.

Mistika Advanced Channel Keying

Mistika Advanced Channel Keying

"Maynard Keying" is the longest standing technique in compositing. All node-based applications r...

Blender Particle Animation

Blender Particle Animation

A complete guide to particle animation in Blender.

Arnold for Cinema 4D

Arnold for Cinema 4D

Experience a wide variety of valuable techniques and gain an understanding of Arnolds advantages when used with Cinema 4D in this incredible course with cmiVFX Mentor Chris Tedin.

After Effects Text Animation

After Effects Text Animation

Use this course to learn how to create dynamic, attention grabbing text animations quickly and easily in Adobe After Effects.

Arnold for Houdini

Arnold for Houdini

Explore Arnold with Houdini as we cover rendering, sampling, lighting, textures, user data, AOVs, and more.

Fusion Microbe

Fusion Microbe

Explore the process of creating a microbe-style shot in Fusions 3D space.

Houdini Compositing

Houdini Compositing

Learn the secrets of how to take advanced 2D and 3D compositing tricks to a whole new level without ever leaving Houdini!

Fusion HUD Design

Fusion HUD Design

Create a stunning Heads Up Display (HUD) using Blackmagics Fusion. Learn to make effects with Replicate 3D, do some grading, rendering, and more.

Krakatoa in Production Vol 1

Krakatoa in Production Vol 1

Learn how to create and fully control an effect with millions of particles and understand their behavior inside a VFX shot. Its not just about Kraktaoa and Fumes amazing tools, its about how to use them in an effective and creative way inside real VFX shot.

Modo Automotive

Modo Automotive

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Fusion Teleportation

Fusion Teleportation

Explore new techniques in Blackmagics Fusion to create a beautiful teleport-style effect!...

Speedtree Collections With 3D-Coat and Houdini

Speedtree Collections With 3D-Coat and Houdini

By using Collections, we are able to mix and maneuver various types of digital foliage so that it can be used for hero shots!

Tutorial Info - Newest Video

CMIVFX Houdini Sand Solver Large Poster
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Houdini Sand Solver

Another brand new advanced Houdini video from cmiVFX! We've brought back another one of your favorite mentors, Mehdi Salehi. This time we will show you how Houdini can be used for developing a sand solver. This tutorial does not use the “Grain Solver” tool which is available in Houdini 14. Instead we will develop a new tool based on “Flip Object” to simulate sand so Houdini 13 users can also follow this tutorial. By developing and using this solver based on Flip object, you can take advantage of flip simulation speed and you will also have various parameters available so you can control the behavior of flip object and achieve the desired results in a reasonable simulation time. Moreover, in this training video we will show you an excellent method that can be used to turn a low-resolution simulation into high-resolution simulation which will also speed up your workflow. You also can use this method for other simulations like “POP simulations” to convert your low-resolution simulation to high-resolution simulation. All this and more is included in this video. Enjoy!


  • CMIVFX Houdini Sand Solver
  • CMIVFX Houdini Sand Solver
  • CMIVFX Houdini Sand Solver
  • CMIVFX Houdini Sand Solver
  • CMIVFX Houdini Sand Solver
  • CMIVFX Houdini Sand Solver
  • CMIVFX Houdini Sand Solver

Chapter Descriptions

Main Idea and Vectors

In this chapter we will take look at the basic knowledge that you will need to know before continuing the tutorial. This chapter describes the main idea and also provides an introduction to the mathematics of vectors. Don’t worry, it is not an advanced mathematics class!

Getting Started

In this chapter we will start creating the sand solver inside Houdini. We will begin by preparing the required nodes and making the changes that we will need for the next chapter.

Our First Sand Solver

Using the results from previous chapter and also our knowledge from chapter 01, we will continue and finish developing our first sand solver.

More Precise Simulation

In this chapter we complete the solver of previous chapter to have more precise simulation. We will solve the issues of the solver that we developed in previous chapter. The final network and solver are created in this chapter.

Speed and Resolution

It's time to develop a solution to convert the simulation to high-resolution. Simulating in high-resolution is very time consuming, so in this chapter we show how you can convert your low-resolution simulation to high-resolution.

About the Instructor

My name is Mehdi Salehi. I started my journey into the mysterious world of 3D and VFX about 11 years ago and I have worked as CG artist and VFX supervisor for many companies since then. It is my honor to be a member of the cmiVFX family. My Email is msalehi.164@gmail.com and my website is www.vfxhomeland.com. If you have any questions please feel free to contact me.

About cmiVFX Profit Sharing

The cmiVFX profit-sharing model was invented by Chris Maynard (cmiVFX owner and Chief Public Partner) in order to ensure that everyone working with the organization could earn a fair portion of the profits for their time and expertise. Profit sharing has allowed cmiVFX to continue to provide training from true experts while strengthening the VFX community, allowing the artists get what they deserve for their time and expertise. This is how cmiVFX gets the best mentors, and it's why cmiVFX customers don't have to settle with sub-par content or cheap training. cmiVFX literally gets the best teachers out there to create the training, and gives them a fair share of the profits for the life of the product. Chris himself is an artist and mentor as well, so as a customer, you can know without a doubt that every dollar spent at cmiVFX is going straight to hardworking artists that have worked their whole lives to acquire their skill and expertise and to bring you this content.

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!

This video is available today at the cmiVFX Store: www.cmivfx.com

About cmiVFX

cmiVFX is the leader in High Definition Video Training for the Visual Effects Community. Register for free and receive hours of free content at the cmiVFX Video-on-Demand Player. Copyright 2015 cmiVFX | cmiStudios. All rights reserved.

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