Mesh Refinement
Implementation and performance of adaptive mesh refinement in the Ice Sheet System Model (ISSM v4.14)
... fine mesh/grid resolution in ice sheet models to correctly capture fundamental physical processes, such as the evolution of the grounding line, the re- gion where grounded ice starts to ...tive mesh ...
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Multi-Scale Simulations of Magnetic Reconnection Using Particle-in-Cell and Magnetohydrodynamics with Adaptive Mesh Refinement Technique
... Magnetic reconnection is a multi-scale phenomenon, in which micro-scale particle dynamics, macro-scale fluid and magnetic structure are important. A magnetohydrody- namics (MHD) simulation is efficient for treating macro- ...
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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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Hybrid characteristics: 3D radiative transfer for parallel adaptive mesh refinement hydrodynamics
... We present several test problems demonstrating the feasibility of our method for performing high resolution three-dimensional ra- diation hydrodynamics calculations that span a large range of scales. Initial performance ...
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QUALITATIVE ANALYSIS OF MESH REFINEMENT METHODS ON NON-CONVEX DOMAINS
... are mesh based approaches, a domain decomposition into triangular elements is a essential process in order to produce a good representation of the target ...Balance refinement methods. We present some ...
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Tree-based mesh-refinement GPU-accelerated tsunami simulator for real-time operation
... tree-based mesh-refinement method is implemented based on distance from the coast and focal areas to gen- erate a memory-efficient domain with resolutions of up to 50 ...
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Towards scalable adaptive mesh refinement on future parallel architectures
... The subject of this thesis is the use of mini-applications to improve ap- plication performance and evaluate future hardware. We focus on optimising and porting a code with Adaptive Mesh Refinement (AMR), ...
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Adaptive mesh refinement for computational aeroacoustics
... adaptive mesh refinement (AMR) attracts interests mainly due to its potential of reducing both the computational and storage cost over an equivalent static uniform mesh, as it increases grid ...
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Tutorials on Adaptive multiresolution for mesh refinement applied to fluid dynamics and reactive media problems
... Adaptive Mesh Refinement (AMR) (Berger et al [4–6]) demonstrated that a set of locally refined grids can be used in regions where steep gradients of high truncation errors are ...
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Evolving a puncture black hole with fixed mesh refinement
... through mesh refine- ment boundaries in the ...the mesh refinement interfaces handle a strong dynamical potential on timescales t > ...near refinement boundaries in the course of realistic ...
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Resident block structured adaptive mesh refinement on thousands of graphics processing units
... adaptive mesh refinement (AMR) is a technique that can be used when solving partial differential equations to reduce the number of cells necessary to achieve the required accuracy in areas of ...finer ...
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Adaptive mesh refinement techniques for electrical impedance tomography
... Typically, refinement is required at interfaces between regions with differing ...adaptive mesh refinement (AMR) in modelling heart current sources (Johnson and MacLeod 1994)—a topic related to ...
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An efficient Adaptive Mesh Refinement (AMR) algorithm for the Discontinuous Galerkin method: Applications for the computation of compressible two-phase flows
... Adaptive Mesh Refinement (AMR) approach on hybrid unstructured grids for the Discontinuous Galerkin (DG) method (ForestDG) has been ...computational mesh by a hierarchical structure consisting of ...
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Optimal imaging with adaptive mesh refinement in electrical tomography
... adaptive mesh refinement to the 2D problem so that the local scale of the mesh is always matched to the scale of the image ...the mesh discretization. The avoidance of unnecessary mesh ...
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Enabling Efficient Scientific Analytics over Extreme-scale Adaptive Mesh Refinement Data through Effective In Situ Indexing.
... On the parallel front of CCL research, especially in shared memory environment, the re- search challenges center around both load balancing and reducing communication. For exam- ple, two parallel CCL methods are proposed ...
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Mimicking mesh refinement to construct initial data for a binary black hole system
... Depending on the relative puncture mass a transform may be sought which concentrates collocation points closer to both black holes simultaneously or possibly towards one black hole and a[r] ...
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Block-structured Adaptive Mesh Refinement - Theory, Implementation and Application
... describe refinement regions geometrically and subgrids with the same refinement factor in all space directions and also in time are generated according to ...the refinement technique of Section ...
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Parallel block structured adaptive mesh refinement on graphics processing units
... Using the object-oriented interface of SAMRAI we develop a set of routines and data structures that allow patch-based data to reside on and be manipulated by the GPU. Using these extensions we write a GPU-based AMR ...
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A new methodology for anisotropic mesh refinement based upon error gradients
... Reuse See Attached Takedown If you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing [email protected] including the URL of the[r] ...
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Comparison of COBRA-EN and COBRA-CTF Simulation Predictions to Benchmark Data for Representative Boiling Water Reactor Conditions.
... 7X24 mesh refinement case labeled “With ...7x24 mesh refinement case labeled “Test 1” include modifications to node lengths near the second and seventh grid ...
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