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In open surgery simulations, cuts like incisions and resections introduce irreversible changes to underlying geometry. In such circumstances, updating tetrahedral meshes for sophisticated physical modeling methods like finite elements becomes computationally intensive.
We present an algorithm that does not need to update every time there is an incision. It allows multiple incisions and only performs subdivision after resection. We will show that this leads to lesser subdivisions and increases the interactivity of the simulation.
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