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Water simulation for cell based sandbox games

Christian Lundell
Department of Electrical Engineering, Linkoping University
Linkoping University, 2014

@article{lundell2014water,

   title={Water simulation for cell based sandbox games},

   author={Lundell, Christian},

   year={2014}

}

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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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