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    High order discontinuous Galerkin methods for simulating miscible displacement process in porous media with a focus on minimal regularity

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    Author
    Li, Jizhou
    Date
    2015-04-20
    Advisor
    Riviere, Beatrice M.
    Degree
    Doctor of Philosophy
    Abstract
    In my thesis, I formulate, analyze and implement high order discontinuous Galerkin methods for simulating miscible displacement in porous media. The analysis concerning the stability and convergence under the minimal regularity assumption is established to provide theoretical foundations for using discontinuous Galerkin discretization to solve miscible displacement problems. The numerical experiments demonstrate the robustness and accuracy of the proposed methods. The performance study for large scale simulations with highly heterogeneous porous media suggests strong scalability which indicates the efficiency of the numerical algorithm. The simulations performed using the algorithms for physically unstable flow show that higher order methods proposed in thesis are more suitable for simulating such phenomenon than the commonly used cell-center finite volume method.
    Keyword
    discontinuous Galerkin methods; miscible displacement; reservoir simulations; high performance computing; high order methods; More... viscous fingering; algebraic multigrid; domain decomposition Less...
    Citation
    Li, Jizhou. "High order discontinuous Galerkin methods for simulating miscible displacement process in porous media with a focus on minimal regularity." (2015) PhD diss., Rice University. http://hdl.handle.net/1911/88087.
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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