https://github.com/emmanuelmess/firstcollisiontimesteprarefiedgassimulator

This simulator computes all possible intersections for a very small timestep for a particle model
https://github.com/emmanuelmess/firstcollisiontimesteprarefiedgassimulator

cpp20 cuda simulator

Last synced: 11 days ago
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This simulator computes all possible intersections for a very small timestep for a particle model

• Host: GitHub
• URL: https://github.com/emmanuelmess/firstcollisiontimesteprarefiedgassimulator
• Owner: EmmanuelMess
• Created: 2022-08-05T01:01:01.000Z (over 2 years ago)
• Default Branch: master
• Last Pushed: 2023-01-09T04:44:58.000Z (about 2 years ago)
• Last Synced: 2024-11-15T10:55:14.289Z (2 months ago)
• Topics: cpp20, cuda, simulator
• Language: Cuda
• Homepage:
• Size: 1.02 MB
• Stars: 1
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# First-collision timestep rarefied gas simulator

This simulator computes all possible intersections, then checks which of those possible intersections is soonest to

occur, and does some checks, the simulator then runs for time for enough time for the collision to occur. Once the 

intersection occurs, the whole process runs again.

The idea is that CUDA allows this to go very fast, by computing a lot of data in parallel (all segments and

intersections), this method of simulation is very presice as intesections are computed analitically, not 

in steps.

## Architecture

The general arch is in [architecture.md](https://github.com/EmmanuelMess/FirstCollisionTimestepRarefiedGasSimulator/blob/master/architecture.md).

# Image



# Some refrences and thanks

* [Colliding balls](https://garethrees.org/2009/02/17/physics/): An explanation for the basic idea, but without much implementation info.

* [EasyBMP](https://github.com/izanbf1803/EasyBMP): EasyBMP is an easy to use library to generate BMP images with a simple structure to prototype any project with image generation requirement.

* [cuda-api-wrappers](https://github.com/eyalroz/cuda-api-wrappers): Thin, unified, C++-flavored wrappers for the CUDA APIs 

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