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fbtwitterlinkedinvimeoflicker grey 14rssslideshare1
Tse, Brian; Barrow, Alaistair; Quinn, Barry; Harwin, William S. (2015)
Languages: English
Types: Unknown
Subjects:

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ACM Ref: ComputingMethodologies_COMPUTERGRAPHICS
Using haptic interfaces to assist the training of skills within the curriculum of undergraduate dentists provides a unique opportunity to advance rendering algorithms and engineering of haptic devices. In this paper we use the dental context to explore a rendering technique called smoothed particle hydrodynamics (SPH) as a potential method to train students on appropriate techniques for insertion of filling material into a previously prepared (virtual) dental cavity. The paper also considers how problems of haptic rendering might be implemented on a Graphical Processing Unit (GPU) that operates in the haptics control loop. The filling simulation used 3000 particles to represent the cavity boundary (approx. 1400 particles), tool (approx. 42 particles) and filling material (approx. 1600 particles), running at an average of 447Hz. Novel smoothing function in SPH was developed and its flexibility is presented.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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    • [2] Mathieu Desbrun and Marie-paule Gascuel. Smoothed Particles: A new paradigm for animating highly deformable bodies. In In Computer Animation and Simulation 96 (Proceedings of EG Workshop on Animation and Simulation, pages 61-76. Springer-Verlag, 1996.
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    • [5] Micky Kelager. Lagrangian fluid dynamics using smoothed particle hydrodynamics, 2006.
    • [6] G. R. Liu and Liu M. B. Smoothed Particle Hydrodynamics - a meshfree particle method. World Scientific Publishing Co. Pte. Ltd., 2003.
    • [7] L. B Lucy. A numerical approach to the testing of the fission hypothesis. Astronomical Journal, 82:1013-1024, 1977.
    • [8] J.J. Monaghan. Notes [on] smoothed particle hydrodynamics IPAM. Technical report, IPAM Institute for Pure & Applied Mathematics, UCLA, March 2005.
    • [9] Matthias Mu¨ller, David Charypar, and Markus Gross. Particle-based fluid simulation for interactive applications. In Proceedings of the 2003 ACM SIGGRAPH/Eurographics symposium on Computer animation, SCA '03, pages 154-159, Aire-la-Ville, Switzerland, Switzerland, 2003. Eurographics Association.
    • [10] Brian Tse, William Harwin, Alastair Barrow, Barry Quinn, Jonathan San Diego, and Margaret Cox. Design and development of a haptic dental training system: haptel. In Proceedings of the 2010 international conference on Haptics - generating and perceiving tangible sensations:
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