The requirement of real time performance, crucial to multimodal surgical simulations, imposes severe demands in terms of computational efficiency. A physics-based meshfree computational technique known as the Point-Associated Finite Field (PAFF) approach has been developed to circumvent many outstanding problems associated with traditional mesh-based computational schemes and has been applied in this paper to the modeling of geometrically nonlinear tissue deformations. The technique is based on a novel combination of multiresolution approach coupled with a fast reanalysis scheme in which the response predicted by an underlying linear PAFF model is enhanced in the local neighborhood of the surgical tool-tip by a nonlinear model. We present performance comparisons of PAFF with traditional finite element models.
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ASME 2007 Summer Bioengineering Conference
June 20–24, 2007
Keystone, Colorado, USA
Conference Sponsors:
- Bioengineering Division
ISBN:
0-7918-4798-5
PROCEEDINGS PAPER
Real Time Techniques for Nonlinear Tissue Deformation in Surgical Simulation
Suvranu De,
Suvranu De
Rensselaer Polytechnic Institute, Troy, NY
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Yi-Je Lim
Yi-Je Lim
Energid Technologies, Cambridge, MA
Search for other works by this author on:
Suvranu De
Rensselaer Polytechnic Institute, Troy, NY
Yi-Je Lim
Energid Technologies, Cambridge, MA
Paper No:
SBC2007-172518, pp. 299-300; 2 pages
Published Online:
March 12, 2014
Citation
De, S, & Lim, Y. "Real Time Techniques for Nonlinear Tissue Deformation in Surgical Simulation." Proceedings of the ASME 2007 Summer Bioengineering Conference. ASME 2007 Summer Bioengineering Conference. Keystone, Colorado, USA. June 20–24, 2007. pp. 299-300. ASME. https://doi.org/10.1115/SBC2007-172518
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