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  • RPI SCOREC - Technical Reports
    a model Lennard Jones solid It is observed that tensile compressive strains lead to a reduction enhancement of the lattice thermal conductivity A non hydrostatic strain induces thermal conductivity anisotropy in the material This effect is due to the variation with strain of the stiffness tensor and lattice anharmonicity and therefore of the phonon group velocity and phonon mean free path The effect due to the lattice anharmonicity variation appears

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=335 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    using force feedback Complex high resolution models are computationally expensive Force feedback requires an update frequency of about a kHz which precludes the use of computationally expensive models In this paper we propose a method to circumvent this difficulty by introducing a multiresolution modeling technique where a reasonably coarse global model is locally enhanced using mesh subdivision and smoothening The global model is based on a discretization of the boundary

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=337 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    Abstract An anisotropic adaptive analysis procedure based on a discontinuous Galerkin finite element discretization and local mesh modification of simplex elements is presented The procedure is applied to transient 2 and 3 dimensional problems governed by Euler s equation A smoothness indicator is used to isolate jump features where an aligned mesh metric field in specified The mesh metric field in smooth portions of the domain is controlled by a

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=338 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    Robert M O Bara Bruce E Webster Title Toward Simulation Based Design Year 2003 Abstract This paper discusses the technologies needed to support the application of simulation based design Emphasis is placed on the technical components that must be added to existing CAD and CAE tools to enable the application of simulation based design These components include a sim ulation model manager simulation data manager adaptive control tools and simulation

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=341 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    J E Flaherty Title Simulation Information Structures Year 2003 Abstract This document discusses the information components used in mesh based simulation procedures A set of information structures are outlined to deal with the various informational components and the interactions between

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=342 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    Curved Domains Year 2003 Journal J for Applied Numerical Mathematics Volume 52 Pages 251 271 Abstract This paper considers the technologies needed to support the creation of adaptively constructed meshes for general curved three dimensional domains A brief review of an effective way to integrate mesh generation adaptation with CAD geometries is given A set of procedures that support general h adaptive refinement based on a mesh metric field is

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=343 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    smooth domains these meshes are characterized by having large curved elements over smooth portions of the domain and geometrically graded curved elements to isolate the edge and vertex singularities that are of interest This paper presents a procedure under development for the automatic generation of such meshes for general three dimensional domains defined in solid modeling systems Two key steps in the procedure are the determination of the singular model

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=344 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    Title Adaptive Discontinuous Galerkin Method for the Shallow Water Equations Year 2003 Journal INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS Volume 0 Pages 1 20 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=345 (2015-07-15)
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