Questions tagged [fluid-sim]
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15 questions
0 votes
0 answers
48 views
Is half edge data structure suitable for internal mesh for simulation purposes?
Is the half-edge data structure convenient for representing the internal mesh or is it just for a surface? I am asking this to make sure the half-edge data structure is a good starting point for ...
- 1
1 vote
0 answers
54 views
How to extract surface of smoothed particle hydrodynamics smoothly?
I'm working on a fluid simulation project where two spheres are simulated using smoothed particle hydrodynamics (SPH). I have generated two sets of particles inside and on the surface of a sphere. You ...
- 11
4 votes
1 answer
79 views
Finite difference wave equation shown in paper is wrong?
I'm trying to produce wave surface animations, and I came across this paper: Fast_Water_Animation_Using_the_Wave_Equation_with_Damping. In the paper they go to provide the following equation: At ...
- 280
3 votes
1 answer
939 views
Rendering Fluid Simulations?
I've read about Lagrangian and Eulerian fluid simulations and here's what I take from their methods: Lagrangian - Simulating fluid particles by calculating displacement for each particle Eulerian - ...
- 33
5 votes
2 answers
378 views
Rigorous and simple explanation for satisfying boundary conditions in Stam and Bridson papers
I read Stable Fluids and the code by Jos Stam and FLUID SIMULATION SIGGRAPH 2007 Course Notes by Robert Bridson. The boundary conditions in the two papers are different in my sight. I don't understand ...
- 85
0 votes
1 answer
376 views
Particle & Fluid Simulation: Where to learn? [closed]
Where can I learn about particle and fluid simulation? Is there a good book available? I want to couple volume rendering with fluid/particle simulation to be able to finally render smoke and ocean ...
- 2,501
8 votes
1 answer
236 views
Conserving Mass in Liquid Simulation
I am trying to implement a 2D version of Foster and Fedkiw's paper, "Practical Animation of Liquids" here: http://physbam.stanford.edu/~fedkiw/papers/stanford2001-02.pdf Mostly everything works, ...
- 81
8 votes
0 answers
777 views
Code runs differently on different hardware
I wrote a 2D fluid-solver in OpenGL (code here) some time back. While it runs flawlessly on my onboard Intel GPU, the simulation very quickly "blows-up" when same code is run using nvidia card : ...
- 81