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  • RPI SCOREC - Technical Reports
    Sussman et al J Comput Phys 114 1994 146 and Sussman et al J Comput Phys 148 1999 81 124 In this approach the interface is represented as a zero level set of a smooth function The streamline upwind Petrov Galerkin method was used to discretize the governing flow and level set equations The continuum surface force CSF model proposed by Brackbill et al J Comput Phys 100 1992 335

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=435 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    by a physical large eddy simulation model namely the popular dynamic Smagorinsky model or simply dynamic model as well as by a numerical model in the form of the well known streamline upwind Petrov Galerkin stabilization for finite element discretizations of advection diffusion systems The latter is not a physical model as its purpose is to provide sufficient algorithmic dissipation for a stable consistent and convergent numerical method We study

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=437 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    a particular application of a novel state time formulation recently developed by the authors in a more general scope The proposed scheme is constructed with the intent of benefitting from the accuracy and apparent robustness thus far achieved with this algorithm in an integration context This is realized by first setting up the weighted residual equations for the system in a form associated with the application of a time marching

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=441 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    time formulation for dynamic simulation of complex multibody systems which shows potential advantages for exploiting massively parallel computing resources This formulation allows time to be discretized and parameterized so that it can be treated as a variable in a manner similar to the system state variables As a consequence of such a state time discretization scheme the system of governing equations yields to a set of loosely coupled linear quadratic

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=442 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    Meeting American Institute of Aeronautics and Astronautics Abstract The variational multiscale model for large eddy simulation developped by Hughes Mazzei and Jansen has recently been extended to real space calculations within the context of a hierarchical basis Unique attributes of the formulation are that modeling is confined to the effet of a small scale Reynolds stress in contrast with classical LES in which the entire subgrid scale stress is modeled

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=346 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    subgrid scales are represented by a physical large eddy simulation LES model namely the popular dynamic Smagorinsky model or simply dynamic model as well as by a numerical model in the form of the well known streamline upwind Petrov Galerkin SUPG stabilization for finite element discretizations of advection diffusion systems The latter is not a physical model as its purpose is to provide sufficient algorithmic dissipation for a stable consistent

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=348 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    to dynamic model large eddy simulation LES on finite element topologies are proposed and analyzed A number of simulations of decaying isotropic turbulence are performed using the stabilized finite element method of Whiting and Jansen with the purpose of understanding the dependence of the dynamic model on the test filter of choice and the elusive filter width ratio From these numerical experiments a key assumption is extracted leading to the

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=349 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    Adaptive Discontinuous Galerkin Method for the Shallow Water Equations Year 2004 Journal International Journal for Numerical Methods in Fluids Volume in print Pages in print Abstract In this paper we present a Discontinuous Galerkin formulation of the shallow water equations An orthogonal basis is used for the spatial discretization and an explicit Runge Kutta scheme is used for time discretization Some results of second order anisotropic adaptive calculations are presented

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=350 (2015-07-15)
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