Results 11 to 20 of about 148,702 (317)

Multiscale computing [PDF]

open access: yesProceedings of the National Academy of Sciences, 2001
Multiscale computing (MSC) involves the computation, manipulation, and analysis of information at different resolution levels. Widespread use of MSC algorithms and the discovery of important relationships between different approaches to implementation were catalyzed, in part, by the recent interest in wavelets.
M, Kobayashi, T, Irino, W, Sweldens
openaire   +2 more sources

A Multiscale Deformation Representation

open access: yesSIAM Journal on Imaging Sciences, 2023
Motivated by Tadmor et al.'s work ([31]) dedicated to multiscale image representation using hierarchical (BV, L 2) decompositions, we propose transposing their approach to the case of registration, task which consists in determining a smooth deformation aligning the salient constituents visible in an image into their counterpart in another.
Debroux, Noémie   +2 more
openaire   +3 more sources

Proper generalized decomposition of time-multiscale models [PDF]

open access: yes, 2011
Models encountered in computational mechanics could involve many time scales. When these time scales cannot be separated, one must solve the evolution model in the entire time interval by using the finest time step that the model implies.
CHINESTA SORIA, Francisco   +8 more
core   +1 more source

Shape classification via image-based multiscale description [PDF]

open access: yes, 2011
We introduce a new multiscale Fourier-based object description in 2-D space using a low-pass Gaussian filter (LPGF) and a high-pass Gaussian filter (HPGF), separately.
Mark S. Nixon   +3 more
core   +1 more source

Data-driven magneto-elastic predictions with scalable classical spin-lattice dynamics

open access: yesnpj Computational Materials, 2021
A data-driven framework is presented for building magneto-elastic machine-learning interatomic potentials (ML-IAPs) for large-scale spin-lattice dynamics simulations.
Svetoslav Nikolov   +7 more
doaj   +1 more source

Image-based Multiscale Shape Description using Gaussian Filter [PDF]

open access: yes, 2008
In shape recognition, a multiscale description provides more information about the object, increases discrimination power and immunity to noise. In this paper, we develop a new multiscale Fourier-based object description in 2-D space using a low-pass ...
Cem Direkoglu   +3 more
core   +1 more source

Hybrid continuum–molecular modelling of multiscale internal gas flows [PDF]

open access: yes, 2013
We develop and apply an efficient multiscale method for simulating a large class of low-speed internal rarefied gas flows. The method is an extension of the hybrid atomistic–continuum approach proposed by Borg et al.
Reese, Jason M.   +3 more
core   +1 more source

Multiscale Problems [PDF]

open access: yes, 2011
An Introduction to Periodic Homogenization (Alain Damlamian) The Periodic Unfolding Method in Homogenization (Alain Damlamian) Homogenization of Navier - Stokes Equations (Gabriel Nguetseng & Lazarus Signing) Homogenization of a Class of Imperfect Transmission Problems (Patricia Donato) Decompositions of Displacements of Thin Structures (Georges Griso)
Alain Damlamian   +2 more
openaire   +1 more source

Coarse-grained modeling of multiscale diffusions : the p-variation estimates [PDF]

open access: yes, 2010
We study the problem of estimating parameters of the limiting equation of a multiscale diffusion in the case of averaging and homogenization, given data from the corresponding multiscale system.
Papavasiliou, Anastasia   +1 more
core   +1 more source

Multiscale theory

open access: yesJournal of Non-Equilibrium Thermodynamics, 2023
Abstract Boltzmann kinetic equation is put into the form of an abstract time evolution equation representing links connecting autonomous mesoscopic dynamical theories involving varying amount of details. In the chronological order we present results that led to the abstract time equation evolution in both state space and the space of ...
openaire   +2 more sources

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