Coding Challenge #132: Fluid Simulation

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Published on February 12, 2019 9:11:21 PM ● Video Link: https://www.youtube.com/watch?v=alhpH6ECFvQ

Duration: 54:31

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In this video, I follow Mike Ash’s guide to Fluid Simulation and port Jos Stam’s "Real-Time Fluid Dynamics for Games" algorithm and code in Processing (Java). Code: https://thecodingtrain.com/challenges/132-fluid-simulation

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References:
💾 GitHub Issue: https://github.com/CodingTrain/Rainbow-Topics/issues/178
💻 Real-Time Fluid Dynamics for Games: http://www.dgp.toronto.edu/people/stam/reality/Research/pdf/GDC03.pdf
💻 MSAFluid: https://www.memo.tv/msafluid/
💻 Lily Pad: https://github.com/weymouth/lily-pad
📓 Fluid Simulation for Dummies: https://mikeash.com/pyblog/fluid-simulation-for-dummies.html

Videos:
🎥 Why Laminar Flow is AWESOME: https://youtu.be/y7Hyc3MRKno
🎥 What DO we know about turbulence?: https://youtu.be/_UoTTq651dE
🚂 Perlin Noise: https://youtu.be/Qf4dIN99e2w
🔴 Livestream Archive: https://youtu.be/_LyC2l8g0R8

Related Coding Challenges:
🚂 #24 Perlin Noise Flow Field: https://youtu.be/BjoM9oKOAKY
🚂 #102 2D Water Ripple: https://youtu.be/BZUdGqeOD0w
🚂 #103 Fire Effect: https://youtu.be/X0kjv0MozuY

Timestamps:
0:00 Introduction
0:59 Topic suggestion from deardanielxd
3:30 Mike Ash's "Fluid For Dummies" thesis
6:42 Incompressible fluid
8:45 Velocity field
9:12 Density of dye
11:14 Port the code to Processing
15:47 addDensity() function
19:34 Diffuse
23:35 Project
25:52 Advect
30:17 Set bounds
33:05 Mirror velocity in edge layers
36:19 Time set function
38:58 Render the density
44:10 Add fade
46:40 Add perlin noise
48:00 Add Pvector
50:35 Recap and next steps
52:22 Adjustments to code

Editing by Mathieu Blanchette
Animations by Jason Heglund
Music from Epidemic Sound

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#fluidsimulation #turbulentfluidflow #processing