Results 21 to 30 of about 5,501 (303)
A simple Cartesian scheme for compressible multimaterials [PDF]
, 2014 We present a simple numerical method to simulate the interaction of two non-miscible compressible materials separated by an interface. The media considered may have significantly different physical properties and constitutive laws, describing for example
GORSSE, Yannick +3 more
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Parallel implementation of the grid-characteristic method in the case of explicit contact boundaries [PDF]
Компьютерные исследования и моделирование, 2018 We consider an application of the Message Passing Interface (MPI) technology for parallelization of the program code which solves equation of the linear elasticity theory.
Andrey M. Ivanov +1 more
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Guiding center simulations on curvilinear grids*
ESAIM: Proceedings and Surveys, 2016 Semi-Lagrangian guiding center simulations are performed on sinusoidal perturbations of cartesian grids, and on deformed polar grid with different boundary conditions.
Hamiaz Adnane +3 more
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Planar potential flow on Cartesian grids
Journal of Fluid Mechanics, 2022 Potential flow has many applications, including the modelling of unsteady flows in aerodynamics. For these models to work efficiently, it is best to avoid Biot–Savart interactions. This work presents a grid-based treatment of potential flows in two dimensions and its use in a vortex model for simulating unsteady aerodynamic flows.
Diederik Beckers, Jeff D. Eldredge
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Graphs and Combinatorics, 2020 Graph burning is a discrete-time process on graphs, where vertices are sequentially burned, and burned vertices cause their neighbours to burn over time. We consider extremal properties of this process in the new setting where the underlying graph is also changing at each time-step.
Bonato, Anthony +2 more
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An analytical and numerical analysis of several locally conformal FDTD schemes [PDF]
, 1999 The virtues of the finite-difference time-domain (FDTD) method for the electromagnetic analysis of arbitrary complex metal and dielectric structures are well known.
Schneider, JB, Railton, CJ
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A C2-Continuous Control-Volume Technique Based on Cartesian Grids and Two-Node Integrated-RBF Elements for Second-Order Elliptic Problems [PDF]
, 2011 This paper presents a new control-volume discretisation method, based on Cartesian grids and integrated-radial-basis-function elements (IRBFEs), for the solution of second-order elliptic problems in one and two dimensions.
Mai-Duy, N. +5 more
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Embedding Features in a Cartesian Grid
, 2009 Grid-based mesh generation methods have been available for many years and can provide a reliable method for meshing arbitrary geometries with hexahedral elements. The principal use for these methods has mostly been limited to biological-type models where topology that may incorporate sharp edges and curve definitions are not critical.
Steven J. Owen, Jason F. Shepherd
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On NUFFT-based gridding for non-Cartesian MRI [PDF]
Journal of Magnetic Resonance, 2007 For MRI with non-Cartesian sampling, the conventional approach to reconstructing images is to use the gridding method with a Kaiser-Bessel (KB) interpolation kernel. Recently, Sha et al. [L. Sha, H. Guo, A.W. Song, An improved gridding method for spiral MRI using nonuniform fast Fourier transform, J. Magn. Reson.
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, 2011 This paper describes a new numerical procedure, based on point collocation, integrated multiquadric functions and Cartesian grids, for the discretisation of the stream-function formulation for flows of a Newtonian fluid in multiply-connected domains ...
Mai-Duy, N. +7 more
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