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    A non-linear finite element model for the determination of elastic and thermal properties of nanocomposites

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    Author
    Elsbernd, Paul
    Date
    2009
    Advisor
    Spanos, Pol D.
    Degree
    Master of Science
    Abstract
    This thesis presents a non-linear model for the thermal and elastic properties of single-walled carbon nanotube reinforced polymer composites. Finite Element Analysis (1-EA), in conjunction with the Embedded Fiber Method (EFM), is used to calculate the effective stress-strain curve and thermal conductivity of the composite material. First, the geometry of a user-defined volume fraction of nanotubes is randomly generated and their properties are incorporated into the polymer matrix using the EFM. Non-linear FEA is next performed to account for the non-linear properties of the polymer matrix and the carbon nanotubes. Finally, Monte Carlo Analysis of five hundred random microstructures is performed to capture the stochastic nature of the random fiber generation and to derive statistically sound results. The model is validated by comparison with several different experiments reported in the open literature.
    Keyword
    Mechanical engineering; Materials science
    Citation
    Elsbernd, Paul. "A non-linear finite element model for the determination of elastic and thermal properties of nanocomposites." (2009) Master’s Thesis, Rice University. http://hdl.handle.net/1911/61893.
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    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