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Physics.md

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Physics

Library

  • PhysX NVIDIA PhysX SDK
  • JoltPhysics A multi core friendly rigid body physics and collision detection library suitable for games and VR applications.
  • JoltPhysicsUnity Jolt Physics bindings for Unity
  • bullet Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc
  • zeno ZEn NOde system https://zenustech.com/
  • Gaia Gaia Physics Engine
  • ODE Open Dynamics Engine
  • newton-dynamics Newton Dynamics is an integrated solution for real time simulation of physics environments.
  • chrono C++ library for multi-physics simulation
  • reactphysics3d Open source C++ physics engine library in 3D
  • OpenFOAM OpenFOAM Foundation development repository. https://openfoam.org/

Collision Detection

  • reactphysics3d Open source C++ physics engine library in 3D
  • fcl Flexible Collision Library
  • OPCODE Optimized Collision Detection
  • gjk.c Gilbert-Johnson-Keerthi (GJK) collision detection algorithm in 200 lines of clean plain C
  • dyn4j Java Collision Detection and Physics Engine
  • CircleCollision Implementing Different Methods of Circle to Circle Collision Detection using variety of new Technologies: Vulkan Graphics/Compute API, AVX2/AVX-512
  • UnityNativeCollision SAT Collision in C# for Unity3D Burst Compiler
  • parry 2D and 3D collision-detection library for Rust.rs
  • [cpa] (https://github.com/memononen/cpa) Distance, Time-of-Impact, and Closest-Point-of-Approach between Convex 2D Shapes

Fluid

Shallow Water

Eulerian

Lagrangian

  • ParticleSolver CPU and GPU implementations of a particle-based physics simulation based on Macklin et. al's "Unified Particle Physics for Real-Time Application".

  • SPHFluid Interactive 3D Fluid Simulation based on SPH

  • pcisph Predictive-Corrective Smoothed Particle Hydrodynamics (SPH) implementation in 2D for CS4167 final project

  • pysph A framework for Smoothed Particle Hydrodynamics in Python

  • Unity-ECS-Job-System-SPH Implementation of the SPH Algorithm (fluid simulation) in Unity, comparing singlethread and ECS/Job System performances.

  • flut OpenGL SPH fluid simulation and rendering

  • PositionBasedDynamics physically-based simulation of rigid bodies, deformable solids and fluids.

  • PositionBasedFluids CUDA/C++ implementation of several papers in the spirit of developing a small demo similar to Nvidia's FleX framework

  • PBD-Fluid-in-Unity A PBD fluid in unity running on the GPU

  • RealTimeFluidRendering Implementation of the i3D2018 paper "A Narrow-Range Filter for Screen-Space Fluid Rendering".

Hybrid Lagrangian-Eulerian

  • Blender-FLIP-Fluids 👍 FLIP Fluids is a powerful liquid simulation plugin that gives you the ability to create high quality fluid effects all within Blender
  • SPlisHSPlasH physically-based simulation of fluids.
  • GridFluidSim3D A PIC/FLIP fluid simulation based on the methods found in Robert Bridson's "Fluid Simulation for Computer Graphics"
  • blub 3D fluid simulation experiments in Rust, using WebGPU-rs (WIP)
  • RealTimeFluids An open-source repository featuring real-time Eulerian fluid simulation and rendering
  • FluidSimulation WebGL shader for mixed grid-particle fluid simulation
  • Fluid_Simulation Self advection, external force and pressure solve to a velocity field represented by a MaC grid.
  • pyasflip Python implementation of the ASFLIP advection method yunfei.work/asflip/
  • GPUMPM GPU Optimization of Material Point Methods
  • taichi_mpm High-performance moving least squares material point method (MLS-MPM) solver. (ACM Transactions on Graphics, SIGGRAPH 2018)
  • MPM2D 2D Material Point Method
  • uaamg A Fast Unsmoothed Aggregation Algebraic Multigrid Framework for the Large-Scale Simulation of Incompressible Flow

Finite Element

  • mfem Lightweight, general, scalable C++ library for finite element methods. mfem.org
  • FEMcy a finite element solver based on Taichi, being parallel (CPU/GPU), portable and open-source

Cloth

Softbodie

  • Softbodies Softbodies, jiggly items and other slimy stuff in Unity
  • CPDeform [ICLR 2022] Contact Points Discovery for Soft-Body Manipulations with Differentiable Physics
  • Softbody_Physics_UE5 Implementation of the "A Constraint-based Formulation of Stable Neo-Hookean Materials" paper in UE5

Verlet MassSpring

  • KawaiiPhysics Simple fake Physics for UnrealEngine4 & 5
  • verlet-js A simple Verlet physics engine written in javascript
  • FastMassSpring Interactive cloth simulator using the method described in the SIGGRAPH paper "Fast Simulation of Mass-Spring Systems"

Vehicle

  • tork Arcade vehicle physics for Unity

Demo