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Summary: Real-Time Fluid Dynamics
for Virtual Surgery
Lars Andersson
Master's Thesis
Engineering Physics Program
CHALMERS UNIVERSITY OF TECHNOLOGY
Department of Computer Engineering
GĻoteborg 2005
Abstract
This thesis report documents the work performed to investigate and implement a number of
algorithms for real-time visualization of blood and smoke in the context of virtual surgery
applications. More specifically, the effects that we want to implement are blood squirting
in free space, blood drops running down a surface, blood dissolving in a fluid and smoke
generated by a tissue burning instrument. The work started with a period of initial research
to get a better overview of the subject and the possibilities available. This was followed by
experiments and implementation of the most promising methods. An uncoupled particle
system rendered as a set of spheres is used for the blood splash and drip effects. Blood trails
are rendered directly onto the surface texture. The results are not very realistic visually
or physically, but may still be usable to give the user visual cues about what is going
on in the simulator. The simulation of blood dissolving in a fluid is based on a real-time
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