07 October 2012

Realistic Fluid Movements

What does a yoghurt look like over time? The food industry will soon be able to answer this question using a new fluid simulation tool developed by the Department of Computer Science (DIKU) at the University of Copenhagen as part of a broad partnership with other research institutions. An epoch-making shift in the way we simulate the physical world is now a reality. Results come from a five-year collaboration between the University of Copenhagen, the Technical University of Denmark (DTU). The new fluid simulation tool can boast of being very similar to physical reality. The method distinguishes itself significantly from known simulation methods which use mesh structures where the vertices are locked in a fixed position. 


In the new method, the mesh structure is replaced by a dynamic structure where the vertices move one at a time. This makes it possible to take account of the fluid’s physical properties more precisely and to see how different types of fluids interact with one another. The method also ensures such a high degree of detail that even very thin structures become visible. With previous statistical methods, it is often a problem that the simulated object’s edges and structures become blurred, and that its precise physical properties are hard to recreate. The new dynamic simulation method paves the way for countless applications. But for the time being, the method cannot be used by games developers because the simulation is extremely time-consuming as the vertices are moved one at a time.

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