Water simulation for cell based sandbox games

Bachelor thesis English OPEN
Lundell, Christian (2014)
  • Publisher: Linköpings universitet, Tekniska högskolan
  • Subject: Computer Games | Fluid Simulation | GPGPU | Navier-Stokes
    arxiv: Physics::Fluid Dynamics

This thesis work presents a new algorithm for simulating fluid based on the Navier-Stokes equations. The algorithm is designed for cell based sandbox games where interactivity and performance are the main priorities. The algorithm enforces mass conservation conservatively instead of enforcing a divergence free velocity field. A global scale pressure model that simulates hydrostatic pressure is used where the pressure propagates between neighboring cells. A prefix sum algorithm is used to only compute work areas that contain fluid.
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