Parallel Adaptive Mesh Refinement
Parallel adaptive mesh refinement for large-eddy simulations of turbulent flows
... the refinement criteria developed seems to refine the areas needed to solve the smallest flow structures on most of the turbulent problems around bluff ...AMR mesh has shown to be able to preserves well the ...
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Hybrid characteristics: 3D radiative transfer for parallel adaptive mesh refinement hydrodynamics
... The aim of this work is to create a characteristics-based ra- diative transfer method that can handle multiple sources of ion- izing radiation in AMR enabled simulations to be run on dis- tributed memory parallel ...
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Lightweight task offloading exploiting MPI wait times for parallel adaptive mesh refinement.
... (static) refinement, our diffusion manages to compensate for any illbalancing that results from the ...geometric mesh construction plus a very good domain decomposition ...the mesh continues to ...
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Parallel Adaptive Mesh Refinement for High-Order Finite-Volume Schemes in Computational Fluid Dynamics
... Over the last several decades, CFD has been employed on more and more challenging tasks and dependance on the tools continues to grow. In order to perform accurate simulations, engineers and researchers must first cre- ...
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Towards scalable adaptive mesh refinement on future parallel architectures
... problem remain covered with the finest resolution cells. To adapt the grid, a re- gridding procedure is used. Regridding begins by tagging cells for refinement, and clustering these tagged cells into a large, ...
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Parallel cell projection rendering of adaptive mesh refinement data
... chine (PVM) framework. MPI is commonly used in AMR sim- ulations, thus making our framework more compatible with other applications, including numerical simulation. Furthermore, MPI is the de facto standard for ...
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Parallel block structured adaptive mesh refinement on graphics processing units
... If the two patches involved in the copy operation are located on different nodes the required data must be transferred using MPI. Supporting MPI is essential for any modern scientific code, and by including the necesary ...
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A Cache-Aware Approach to Adaptive Mesh Refinement in Parallel Stencil-based Solvers
... III. R ELATED W ORK To the best of our knowledge, this is the first work to consider the impact of patch shape on the parallel performance of AMR-based solvers for Elliptic PDEs. Many software libraries, such as ...
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Relativistic MHD with Adaptive Mesh Refinement
... sharp features that require high resolutions. The accretion test problem demonstrates the AMR capabilities with a curved space background and an excision region. The first problem is a one-dimensional blast wave problem ...
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MiniAMR - A miniapp for Adaptive Mesh Refinement
... a parallel octree meshing framework starts with an initial par- tition of octree nodes across processes and adaptively modifies it by refining and coarsening the tree nodes during the course of the ...of ...
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Adaptive mesh refinement in topology optimization
... Figure 4.9: Von Mises stress field for the compliant mechanism design with no stress constraint. 4.6 Conclusions We present a high resolution topology optimization framework that accommodates more than three million ...
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Parallel local mesh refinement for Code Saturne
... the refinement we are using templates which refine only tetrahedra with faces with one or all error ...final mesh is created by adding all the unrefined elements and all the children of the transition ...
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Visualization Tools for Adaptive Mesh Refinement Data
... grids, numerical values in a chosen format, subregions, animations, volumet- ric renderings, contour plots, line graphs and 2D vector fields using arrow glyphs. Amrvis works with 2D and 3D data, requires no specialized ...
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A new parallelization scheme for adaptive mesh refinement
... This is illustrated in the left panel of Fig. 8 for the simple case of 2 levels. The first iteration on both levels is performed in parallel. The finer level has to do one more iteration to arrive at the same time ...
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Adaptive mesh refinement method for CFD applications
... of mesh elements on each parallel subdomain and the assignment of a global identifier ...correct mesh distribution for the in-house unstructured CFD ...good mesh quality on the subdivided ...
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Adaptive multiresolution or adaptive mesh refinement? A case study for 2D Euler equations
... (Adaptive Mesh Refinement in Object-oriented C++) system that implements the Berger-Collela AMR algorithm [6] generically in C++ and is free of charge for scientific use ...
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Multilevel sparse approximate inverse preconditioners for adaptive mesh refinement
... Introduction Adaptive Mesh Refinement (AMR) was proposed by Berger and Oliger in 1984 to solve hyperbolic partial differential equations (PDEs) with discontinuous coefficients, shocks, and steep gradients ...
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Block-structured Adaptive Mesh Refinement - Theory, Implementation and Application
... for refinement are simply replaced by finer ones and the numerical solution is advanced on the entire grid ...the mesh topology the memory access during computation is highly irregular and the performance ...
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Adaptive mesh refinement method. Part 2: Application to tsunamis propagation
... Adaptive mesh refinement ...a parallel finite volume scheme on adaptive unstructured meshes for multi di- mensional Saint-Venant system is ...The adaptive mesh ...
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Parallel generalized Delaunay mesh refinement
... ACKNOWLEDGMENTS F irst and foremost, I am grateful to my advisor Professor Nikos Chrisochoides for all the ways he supported me for the last six years. His wisdom, patience, and encour agement have made the writing of ...
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