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  • RPI SCOREC - Technical Reports
    and discretization tools Unfortunately it is still difficult to interchange or interoperate tools developed by different communities to experiment with various technologies or to develop new capabilities To address these difficulties we have developed component interfaces designed to support the information flow of mesh based PDE simulations We describe this information flow and discuss typical roles and services provided by the geometry mesh and field components of the simulation Based

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=516 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    efficiently compute key flow quantities especially near wall quantities like wall shear stress The new adaptive approach uses local mesh modification procedures in a manner that maintains layered and graded elements near the walls which are popularly known as boundary layer or semi structured meshes with highly anisotropic elements of mixed topologies The technique developed is well suited for viscous flow applications where exact knowledge of the mesh resolution over

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=517 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    the initiation growth and the potential of leading to severe occlusions of a diseased artery The Immersed Finite Element Method is adopted for this study to conveniently incorporate various geometrical shapes of arteries without remeshing Our computational results provide detailed quantitative analysis on the blood flow pattern wall shear stress particle residence time and oscillatory shear index The analysis of these parameters leads to a better understanding of blood clot

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=528 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    formed in the upstream part of the Al lines Strains along the downstream part of the lines were smaller and more scattered Numerical analysis using the Eshelby model and finite element method FEM calculations suggest that the moving of atoms during EM in these near bamboo Al lines is dominated by top and or bottom interface diffusion which differs from the reported results for nonbamboo polycrystalline Al conductor lines where

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=537 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    material under consideration is modeled with a finite element analysis A large number of elements per grain more than 1000 are used to capture well the intragranular heterogeneous response The polycrystal model is analyzed with three different sets of initial orientations A compression test is used to calibrate the material model and a macroscale simulation of the compression test is used to define the deformation history applied to the model

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=538 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    to the general mesh based operations 4 such as mesh entity creation deletion adjacency and geometric classification iterators arbitrary attachable data to mesh entities etc the distributed mesh data structure must support i efficient communication between entities duplicated over multiple processors ii migration of mesh entities between processors and iii dynamic load balancing Issues associatedwith supporting parallel adaptive analysis on a given unstructured mesh include dynamic mesh load balancing techniques

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=454 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    billions of degrees of freedom and solved on massively parallel computers with thousands of processors Historically scientists and engineers have applied these models simulation programs to solve problems on a single physical scale However in recent years it has become clear that to continue to make advances in the areas of nanotechnology and biotechnology and to develop new products and treatments based on those advances scientists and engineers must be

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=455 (2015-07-15)
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  • RPI SCOREC - Technical Reports
    2007 Journal Engineering with Computers Volume 1 Pages 1 13 Abstract The pre processing stage of finite element analysis of the Navier Stokes equations is becoming increasingly important as the desire for more general boundary conditions as well as applications to parallel computers increases The set up of general boundary conditions and communication structures for parallel computations should be accomplished during the pre processing phase of the analysis if possible

    Original URL path: http://www.scorec.rpi.edu/reports/view_report.php?id=457 (2015-07-15)
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