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adaptive local mesh refinement

libengine: C++ object-oriented platform for in-cylinder flow and combustion modeling

libengine: C++ object-oriented platform for in-cylinder flow and combustion modeling

... • Mesh management: automatic mesh motion, adaptive local mesh refinement. • Development of new spray sub-models: atomization, droplet-wall interaction models[r] ...

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A survey of high level frameworks in block-structured adaptive mesh refinement packages

A survey of high level frameworks in block-structured adaptive mesh refinement packages

... Similar to BoxLib and Chombo, Enzo uses C++ for the overall code infrastructure and memory management, and typically uses Fortran-90 for computationally-intensive solvers. Within the code, the fundamental object is the ...

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Towards scalable adaptive mesh refinement on future parallel architectures

Towards scalable adaptive mesh refinement on future parallel architectures

... Whilst Berger uses an error estimation based on local truncation error to flag cells [23], we take the approach of Quirk, and instead use a heuristic function to determine which cells to flag [139]. Cells are ...

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The role of Bézier extraction in adaptive isogeometric analysis: Local refinement and hierarchical refinement

The role of Bézier extraction in adaptive isogeometric analysis: Local refinement and hierarchical refinement

... For adaptive refinement, the optimal convergence rate is obtained in the asymptotic limit ...for adaptive refinement is lower than that for uniform refinement because adaptive ...

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Hybrid characteristics: 3D radiative transfer for parallel adaptive mesh refinement hydrodynamics

Hybrid characteristics: 3D radiative transfer for parallel adaptive mesh refinement hydrodynamics

... As in our approach, Heinemann et al. (2005) first obtain all local contributions (which they call “intrinsic”) and add these up to arrive at the total solution. However, in contrast to our method, the ...

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A local adaptive refinement method with multigrid
preconditionning
illustrated by multiphase flows simulations.

A local adaptive refinement method with multigrid preconditionning illustrated by multiphase flows simulations.

... a mesh thickness which become crippling in the case where it is applied to the whole computational ...a local refinement method which allows to dynamically focus on problematic ...of ...

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Adaptive multiresolution or adaptive mesh refinement?  
 A case study for 2D Euler equations

Adaptive multiresolution or adaptive mesh refinement? A case study for 2D Euler equations

... paper, adaptive computations of the two-dimensional compressible Euler equations for a classical Riemann problem are ...two adaptive methods: the adaptive multiresolution (MR) method and the ...

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Towards a 3-dimensional phase-field model of non-isothermal alloy solidification

Towards a 3-dimensional phase-field model of non-isothermal alloy solidification

... quadrilateral mesh structure which is non-conforming, in the sense that we allow hanging nodes, with adaptive refinement based upon an elementwise gradient ...by Adaptive Implicit Multigrid in ...

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Topology Optimization for Continua Considering Global Displacement Constraintment constraint

Topology Optimization for Continua Considering Global Displacement Constraintment constraint

... An adaptive density point refinement approach for continuum topology optimization on the basis of an analysis- mesh separated material density field description based on nodal design variables was ...

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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

An efficient Adaptive Mesh Refinement (AMR) algorithm for the Discontinuous Galerkin method: Applications for the computation of compressible two-phase flows

... computational mesh to an arbitrary level maintaining the gradients of the basis expansion within the ...grid refinement to very high local ...the local refinement of individual ...

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Enabling Efficient Scientific Analytics over Extreme-scale Adaptive Mesh Refinement Data through Effective In Situ Indexing.

Enabling Efficient Scientific Analytics over Extreme-scale Adaptive Mesh Refinement Data through Effective In Situ Indexing.

... the mesh is distributing in equal-size pieces to each process, on each of which local labeling computation is ...uniform mesh distributed across ...identify local connected components; second, ...

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Adaptive refinement of hierarchical T-splines

Adaptive refinement of hierarchical T-splines

... an adaptive local refinement technique for isogeometric analysis based on hierarchical ...allows adaptive refinement of standard hierarchical T-splines and truncated hierarchical ...

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Adaptive mesh refinement in topology optimization

Adaptive mesh refinement in topology optimization

... the mesh in the compliance ...h-adaptive mesh refinement by combining mesh quality and displacement based error ...anisotropic mesh adaptation scheme based on the metric tensors ...

105

Optimal imaging with adaptive mesh refinement in electrical tomography

Optimal imaging with adaptive mesh refinement in electrical tomography

... A local re-triangulation according to the Delaunay criterion (1934) is carried out and subsequent Laplacian mesh smoothing (Freitag 1997) ensures the use of near-equilateral elements (this is termed a ‘high ...

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Adaptive mesh refinement techniques for electrical impedance tomography

Adaptive mesh refinement techniques for electrical impedance tomography

... Electrical impedance tomography (EIT) can provide images with well defined characteristics only when the full nonlinear reconstruction process is constrained by a property of the image such as its local ...

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Adjoint-consistent formulations of slip models for coupled electroosmotic flow systems

Adjoint-consistent formulations of slip models for coupled electroosmotic flow systems

... The adaptive strategy for mesh refinement with respect to the QoI is described in Algo- rithm 1, which has been implemented in libMesh. We show in Figure 5 the horizontal and vertical components of ...

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Comparison of algorithms for non linear inverse 3D electrical tomography reconstruction

Comparison of algorithms for non linear inverse 3D electrical tomography reconstruction

... include mesh refinement techniques. h-refinement—the subdivision of elements in the initial rather coarse mesh—is fast and offers a number of additional advantages, such as maintaining the ...

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Dynamic adaptive mesh refinement of Fluid-structure interaction using immersed boundary method with two-stage corrections

Dynamic adaptive mesh refinement of Fluid-structure interaction using immersed boundary method with two-stage corrections

... a mesh rene- ment technique that is suitable for the interaction of deformable, compressible or incompressible struc- tures with incompressible ows subjected to severe deformations in order to solve FSI ...proper ...

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LSFEM Implementation of MHD Numerical Solver

LSFEM Implementation of MHD Numerical Solver

... and local refinement of the mesh around the discon- tinuities, with the element size corresponding to the re- sistivity-controlled (magnetic) Reynolds ...having mesh around the filamenting ...

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Convergence of Longest Edge n-Section of Triangles

Convergence of Longest Edge n-Section of Triangles

... remarkable mesh quality improvement between certain limits, as recently studied in ...Rivara refinement improves angles, and this improvement has been studied in depth, see [8] where sharper bounds for ...

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