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    Wang Landau algorithm for entropic sampling of arch based microstates in the volume ensemble of static granular packings

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    Wang Landau algorithm for entropic sampling of arch based microstates in the volume ensemble of static granular packings.pdf (376.0Kb)
    Date
    2015
    Author
    Slobinsky, Demian
    Pugnaloni, Luis
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    Abstract
    We implement the Wang-Landau algorithm to sample with equal probabilities the static configurations of a model granular system. The "non-interacting rigid arch model" used is based on the description of static configurations by means of splitting the assembly of grains into sets of stable arches. This technique allows us to build the entropy as a function of the volume of the packing for large systems. We make a special note of the details that have to be considered when defining the microstates and proposing the moves for the correct sampling in these unusual models. We compare our results with previous exact calculations of the model made at moderate system sizes. The technique opens a new opportunity to calculate the entropy of more complex granular models.
    URI
    http://hdl.handle.net/20.500.12272/2799
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    • FRLP - I+D+i - GRUTN - GMG - TRABAJOS DE INVESTIGACIÓN

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    Repositorio Institucional Abierto UTN basado en

    DSpace software copyright © 2002-2015  Duraspace
    Contact Us | Send Feedback
    @mire NV@mire NV@mire NV