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    Numerical pathologies in snap-through simulations

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    Author
    Chandra, Yenny; Stanciulescu, Ilinca; Eason, Thomas; Spottswood, Michael
    Date
    2012
    Abstract
    Aircraft structures operating in severe environments may experience snap-through, causing the curvature on part or all of the structure to invert inducing fatigue damage. This paper examines the performance of beam and continuum nonlinear finite element formulations in conjunction with several popular implicit time stepping algorithms to assess the accuracy and stability of numerical simulations of snap-through events. Limitations of the structural elements are identified and we provide examples of interaction between spatial and temporal discretizations that affect the robustness of the overall scheme and impose strict limits on the size of the time step. These limitations need to be addressed in future works in order to develop accurate, robust and efficient simulation methods for response prediction of structures encountering extreme environments.
    Citation
    Chandra, Yenny, Stanciulescu, Ilinca, Eason, Thomas, et al.. "Numerical pathologies in snap-through simulations." Engineering Structures, 34, (2012) Elsevier: 495-504. http://dx.doi.org/10.1016/j.engstruct.2011.10.013.
    Published Version
    http://dx.doi.org/10.1016/j.engstruct.2011.10.013
    Keyword
    snap-through; finite element; curved beam; solid (continuum) elements; structural elements; More... time integrators; numerical pathologies Less...
    Type
    Journal article
    Publisher
    Elsevier
    Citable link to this page
    https://hdl.handle.net/1911/76354
    Rights
    This is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by Elsevier.
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    • Civil and Environmental Engineering Publications [179]
    • Faculty Publications [4988]

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    Home | FAQ | Contact Us | Privacy Notice | Accessibility Statement
    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map