FXPHD - HOU104 - Houdini contexts
https://www.fxphd.com/details/571/

Learning Houdini can seem like a daunting task, especially if it's the first time you are using procedural workflows. The many different ways in which one effect can be achieved combined with the vast amount of nodes and low-level manipulation of 3D geometry that Houdini offers is very hard to understand in the beginning. If you want to build a strong foundation not only in learning the software but also in understanding how to work procedurally, this is the course for you.

FXPHD - HOU145 - Impact Based Particle Setups in Houdini

http://www.fxphd.com/details/602/

One of the key components of epic movie magic happens in the thousands upon thousands of particles emitting in destruction scenes. It might be a collapsing building, a car impact, broken trees and leaves, or an impact on the ground. The eyes of the audience will gather the excitement, sense of motion, and tertiary detail from the large arrays of particles being emitted from an impact.