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    Asynchronous Preconditioners for Efficient Solving of Non-linear Deformations

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    Date
    2010
    Author
    Courtecuisse, Hadrien ORCID
    Allard, Jérémie
    Duriez, Christian
    Cotin, Stéphane
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    Abstract
    In this paper, we present a set of methods to improve numerical solvers, as used in real-time non-linear deformable models based on implicit integration schemes. The proposed approach is particularly beneficial to simulate nonhomogeneous objects or ill-conditioned problem at high frequency. The first contribution is to desynchronize the computation of a preconditioner from the simulation loop.We also exploit today's heterogeneous parallel architectures: the graphic processor performs the mechanical computations whereas the CPU produces efficient preconditioners for the simulation. Moreover, we propose to take advantage of a warping method to limit the divergence of the preconditioner over time. Finally, we validate our work with several preconditioners on different deformable models. In typical scenarios, our method improves significantly the performances of the perconditioned version of the conjugate gradient.
    BibTeX
    @inproceedings {10.2312:PE:vriphys:vriphys10:059-068,
    booktitle = {Workshop in Virtual Reality Interactions and Physical Simulation "VRIPHYS" (2010)},
    editor = {Kenny Erleben and Jan Bender and Matthias Teschner},
    title = {{Asynchronous Preconditioners for Efficient Solving of Non-linear Deformations}},
    author = {Courtecuisse, Hadrien and Allard, Jérémie and Duriez, Christian and Cotin, Stéphane},
    year = {2010},
    publisher = {The Eurographics Association},
    ISBN = {978-3-905673-78-4},
    DOI = {10.2312/PE/vriphys/vriphys10/059-068}
    }
    URI
    http://dx.doi.org/10.2312/PE/vriphys/vriphys10/059-068
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    Eurographics Association copyright © 2013 - 2023 
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    Theme by @mire NV
    System hosted at  Graz University of Technology.
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