FluidSim

About

This project is currently under construction.

FluidSim is a particle-based fluid simulation using Smoothed Particle Hydrodynamics (SPH) designed to demonstrate the concepts of fluid dynamics and collision detection in a 2D environment. The simulation utilises a SpatialHashGrid for optimised collision detection, reducing the computational complexity and enhancing the efficiency of the simulation.

Features

• Visualisations:

  • Utilises pygame for dynamic, real-time visual representation of the fluid simulation.

• Real-time 2D Fluid Simulation:

  • Demonstrates fluid movement and interactions in two dimensions.
  • Simulates various fluid behaviors and properties, capturing the essence of fluid dynamics.

• Optimised Collision Detection:

  • Implements a SpatialHashGrid for efficient and effective collision handling.
  • Significantly reduces computational overhead, particularly beneficial for large-scale simulations.

• Advanced Fluid Dynamics:

  • Employs the principles of Smoothed Particle Hydrodynamics (SPH) for realistic fluid motion.
  • Accurately calculates fluid density and pressure gradients for precise particle velocity adjustments.

• Customisable Simulation Parameters:

  • Allows users to modify simulation settings to observe different fluid behaviors.
  • Includes adjustable visual and physical parameters for a diverse range of simulation experiences.

Demo

Smooth Particle Hydrodynamics (SPH)

In this fluid simulation, each particle's velocity vector is determined based on the local fluid density, following the SPH approach. The semi-transparent circles around each particle represent their area of influence, a key aspect of SPH.

Below are two demonstrations:

1. Fluid Under Gravity: Observe how the fluid behaves under the influence of gravity, showcasing non-compressibility and fluid dynamics.

   

2. Fluid in Zero-Gravity: Here, the fluid is simulated without gravity. Particles evenly distribute to maintain a uniform density, filling the available space.

   

References

Müller, Matthias & Charypar, David & Gross, Markus. (2003). Particle-Based Fluid Simulation for Interactive Applications. Fluid Dynamics. 2003. 154-159. Link to Paper