Search Results - "hyper- diffusion"

Hyper-diffusion on multiplex networks by Ghorbanchian, Reza, Latora, Vito, Bianconi, Ginestra

“… affect their dynamics. Here, we propose hyper-diffusion on multiplex networks, a dynamical process in which diffusion on each single layer is coupled with the diffusion in other layers thanks to the presence of higher…”
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MAGNETIC RECONNECTION, HELICITY DYNAMICS, AND HYPER-DIFFUSION by Guo, Z B, Diamond, P H, Wang, X G

“…We examine the influence of noise and Alfven wave turbulence on magnetic reconnection in a reduced magnetohydrodynamics model. We focus on the dynamics of…”
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MAGNETIC RECONNECTION, HELICITY DYNAMICS, AND HYPER-DIFFUSION by GUO, Z. B, DIAMOND, P. H, WANG, X. G

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Hyper-diffusion on multiplex networks by Ghorbanchian, Reza, Latora, Vito, Bianconi, Ginestra

“… affect their dynamics. Here, we propose hyper-diffusion on multiplex networks, a dynamical process in which diffusion on each single layer is coupled with the diffusion in other layers thanks to the presence of higher…”
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MAGNETIC RECONNECTION, HELICITY DYNAMICS, AND HYPER-DIFFUSION by Guo, Z. B., Diamond, P. H., Wang, X. G.

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Higher Order Fractional Stable Motion: Hyperdiffusion with Heavy Tails by Kawai, Reiichiro

“…We introduce the class of higher order fractional stable motions that can exhibit hyperdiffusive spreading with heavy tails. We define the class as a…”
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A ``horizontal" hyper--diffusion \(3-D\) thermocline planetary geostrophic model: well-posedness and long time behavior by Cao, Chongsheng, Titi, Edriss S, Ziane, Mohammed

“…In this paper we study a three dimensional thermocline planetary geostrophic ``horizontal" hyper--diffusion model of the gyre-scale midlatitude ocean…”
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Super-rotation independent of horizontal diffusion reproduced in a Venus GCM by Sugimoto, Norihiko, Fujisawa, Yukiko, Komori, Nobumasa, Kashimura, Hiroki, Takagi, Masahiro, Matsuda, Yoshihisa

“…) because waves which transport angular momentum are sensitive to them. Here, we investigated how the super-rotation depends on the magnitude of horizontal hyper diffusion using a Venus atmospheric GCM with medium and high resolutions…”
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Asymptotic profiles of mean zonal flows generated by thermal convection of Boussinesq fluid in a rapidly rotating thin spherical shell by Takehiro, Shin-ichi, Sasaki, Youhei, Ishioka, Keiichi, Enomoto, Takeshi, Nakajima, Kensuke, Hayashi, Yoshi-Yuki

“… time of the numerical experiments of a previous study under similar conditions. Calculations were performed for the whole globe, as well as for a one-eighth sector region, with various values of the hyper-diffusion parameters…”
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Enhanced dissipation by circularly symmetric and parallel pipe flows by Feng, Yuanyuan, Mazzucato, Anna L., Nobili, Camilla

“…), we establish enhanced dissipation for the advection-(hyper)diffusion equation and quantify it in terms of rates of decay in time for the solution, suitably projected, with an improved explicit dependence on the diffusivity…”
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The two-and-a-half-dimensional incompressible Hall-MHD system with partial dissipation by Jin, Meilin, Jiu, Quansen

“… We prove the global regularity of a certain system of equations with horizontal or vertical dissipation and magnetic hyper-diffusion for large initial data…”
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Remarks on the global regularity issue of the two-and-a-half-dimensional Hall-magnetohydrodynamics system by Rahman, Mohammad Mahabubur, Yamazaki, Kazuo

“…Whether or not the solution to the 2 1 2 -dimensional Hall-magnetohydrodynamics system starting from any smooth initial data preserves its regularity for all…”
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Crossover From Branched Flow to Anderson Localization in Time‐Fluctuating Random Potentials by Qin, Jianwei, Liu, Yan, Ye, Fangwei

“… by ) in the evolving dimension. The wave dynamics is found initially showing hyper‐diffusion due to enhanced branched flow, but with a further increase in , a coherence…”
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Towards an Unstaggered Finite‐Volume Dynamical Core With a Fast Riemann Solver: 1‐D Linearized Analysis of Dissipation, Dispersion, and Noise Control by Chen, Xi, Lin, Shiann‐Jiann, Harris, Lucas M.

“… cores equipped with hyper‐diffusion or other similar relatively simple diffusion forms…”
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Isotropic High-Order Filter for a Local Domain on the Sphere by Cheong, Hyeong-Bin, Nam, Ye-Jin, Lee, Chung-Hui, Kim, Jae-Jin

“… The equation of high-order filter was based on the implicit hyper-diffusion of 8th-order, which was discretized by the Fourier-finite element method (FFEM…”
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The ICON-1.2 hydrostatic atmospheric dynamical core on triangular grids – Part 1: Formulation and performance of the baseline version by Wan, H., Giorgetta, M. A., Zängl, G., Restelli, M., Majewski, D., Bonaventura, L., Fröhlich, K., Reinert, D., Rípodas, P., Kornblueh, L., Förstner, J.

“…As part of a broader effort to develop next-generation models for numerical weather prediction and climate applications, a hydrostatic atmospheric dynamical…”
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Determining the effective resolution of advection schemes. Part I: Dispersion analysis by Kent, James, Whitehead, Jared P., Jablonowski, Christiane, Rood, Richard B.

“… methods used by dynamical cores. Using a variety of finite-difference schemes, the effect on effective resolution of using explicit diffusion and hyper-diffusion terms is examined…”
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Nonlinear Simulations of Peeling-Ballooning Modes with Parallel Velocity Perturbation by Xia, T. Y., Xu, X. Q., Dudson, B. D., Li, J.

“…The fast‐reconnection simulation of ELMs in high‐confinement mode tokamak discharges with non‐ideal physics effects has been reported by Xu, et al [1] with a…”
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Multigrid treatment of implicit continuum diffusion by Francisquez, M., Zhu, B., Rogers, B.N.

“…Implicit treatment of diffusive terms of various differential orders common in continuum mechanics modeling, such as computational fluid dynamics, is…”
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A comparative study of resistivity models for simulations of magnetic reconnection in the solar atmosphere. II. Plasmoid formation by Færder, Øystein Håvard, Daniel Nóbrega-Siverio, Carlsson, Mats

“… We employed three anomalous resistivity models: (1) the original hyper-diffusion from Bifrost, (2…”
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