# Fluid-Simulation

**Repository Path**: opopi/Fluid-Simulation

## Basic Information

- **Project Name**: Fluid-Simulation
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2026-04-22
- **Last Updated**: 2026-04-22

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# Fluid-Simulation

An Implementation of SPH(Smoothed-particle hydrodynamics) Fluid Simulation in Unity
<br/><br/>
Utilized **Compute Shader** with **GPU instancing** to generate particles.
<br/><br/>
Speed up physics attributes calculation using Grid-based spatial index structure with GPU sorting algorithm.
<br/><br/>
Paper Reference: 
+ https://sph-tutorial.physics-simulation.org/pdf/SPH_Tutorial.pdf
+ https://matthias-research.github.io/pages/publications/sca03.pdf
+ https://web.archive.org/web/20140725014123/https://docs.nvidia.com/cuda/samples/5_Simulations/particles/doc/particles.pdf

Video Reference: https://www.youtube.com/watch?v=rSKMYc1CQHE&t=1692s
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### 2D Fluid Simulation
![2D Fluid Simulation](https://github.com/harlan0103/Fluid-Simulation/blob/main/Outputs/2d_fluid_sim.gif)

### 2D Grid-based spatial index searching
![2D Spatial Grid Search](https://github.com/harlan0103/Fluid-Simulation/blob/main/Outputs/2d_spatial_grid_search.gif)

### 3D Fluid Simulation
![3D Fluid Simulation](https://github.com/harlan0103/Fluid-Simulation/blob/main/Outputs/3d_fluid_sim_01.gif)

### 3D Grid-based spatial index searching
![3D Grid-based spatial index searching](https://github.com/harlan0103/Fluid-Simulation/blob/main/Outputs/3d_grid_based_spatial_index_search.gif)

### 3D Fluid Simulation optimized
![3D Fluid simulation optimized](https://github.com/harlan0103/Fluid-Simulation/blob/main/Outputs/3d_fluid_sim_output.gif)