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    Special methods for fluid-object interactions and space-time computations

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    Author
    Keedy, Ryan M.
    Date
    2004
    Advisor
    Tezduyar, Tayfun E.
    Degree
    Master of Science
    Abstract
    Simulations of complex fluid-object interactions problems in aeronautics demand robust and sophisticated numerical techniques. The proposed B-FOIST is an efficient library-lookup method for predicting the response of an object to a dominant, arbitrary flow field. B-FOIST predicts the trajectory of an object without the need for flow subcomputations, mesh-moving or remeshing. Subsequently, the path of the object can be calculated more quickly and efficiently than traditional mesh-moving methods while producing comparable results. Implementation of the proposed SSTF formulation can improve the efficiency of traditional space-time finite element computations. Many repetitive, unnecessary calculations can be eliminated by reformulating shape function derivatives and re-structuring the element-level matrix/vector calculations. There is the potential for large computational savings depending on the previous structure of the computations.
    Keyword
    Mechanical engineering
    Citation
    Keedy, Ryan M.. "Special methods for fluid-object interactions and space-time computations." (2004) Master’s Thesis, Rice University. http://hdl.handle.net/1911/17695.
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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