A virtual node algorithm for changing mesh topology during simulation
ACM SIGGRAPH 2004 Papers
A virtual node algorithm for changing mesh topology during simulation
SIGGRAPH '05 ACM SIGGRAPH 2005 Courses
Arbitrary cutting of deformable tetrahedralized objects
SCA '07 Proceedings of the 2007 ACM SIGGRAPH/Eurographics symposium on Computer animation
Enrichment textures for detailed cutting of shells
ACM SIGGRAPH 2009 papers
A level set method for ductile fracture
Proceedings of the 12th ACM SIGGRAPH/Eurographics Symposium on Computer Animation
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One of the most important task in surgical simulation is the ability to cut volumetric organs. Several algorithms have lready been described but none of them can actually maintain specific and important topological property of the mesh called manifoldness . In this article we define the notion of manifoldness and we explain why it is important to preserve it. We propose a new algorithm that maintains manifoldness and that implements very simple cut strategy: the removing of soft tissue material, which is an efficient way to simulate the action of an ultrasound cautery. Finally we present experimental results which show the efficiency of this algorithm in a surgery simulation system.