Efficient topology modification and deformation for finite element models using condensation.
Identifieur interne : 005E38 ( Main/Merge ); précédent : 005E37; suivant : 005E39Efficient topology modification and deformation for finite element models using condensation.
Auteurs : Bryan Lee [Australie] ; Dan C. Popescu ; Bhautik Joshi ; Sébastien OurselinSource :
- Studies in health technology and informatics [ 0926-9630 ] ; 2006.
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Abstract
Cuts on deformable organs are a central task in the set of physical operations needed in many surgical simulation environments. Our BioMedIA surgical simulator structures are Finite Element Models, driven by displacements on the touched nodes as opposed to forces. This approach allows for realistic simulation of both deformation and haptic response at real-time rates. The integration of condensation into our system increases its efficiency, and allows for complex interaction on larger meshes than would normally be permitted with available memory. We present an extension of our novel algorithm for cuts in deformable organs, in the context of condensed matrices. We show results from our surgical simulation system with real-time haptic feedback.
PubMed: 16404066
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pubmed:16404066Le document en format XML
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