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相关论文: Abrupt transition in a sandpile model

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Two primary types of numerical instabilities often occur in low-order finite element method (FEM) analyses of thermo-hydro-mechanical (THM) phenomena: (1) pressure oscillations arising improper interpolation of pressure and displacement…

地球物理 · 物理学 2024-06-12 Zi-Qi Tang , Xi-Wen Zhou , Yin-Fu Jin , Zhen-Yu Yin , Qi Zhang

The Abelian Sandpile Model is a cellular automaton whose discrete dynamics reaches an out-of-equilibrium steady state resembling avalanches in piles of sand. The fundamental moves defining the dynamics are encoded by the toppling rules. The…

统计力学 · 物理学 2012-09-25 Sergio Caracciolo , Guglielmo Paoletti , Andrea Sportiello

We have previously discussed the diffusion limited problem of the bounded one-dimensional multitrap system where no external fiel is included and pay special attention to the transmission of the diffusing particles through the system of…

经典物理 · 物理学 2009-11-10 D. Bar

A lattice model for active matter is studied numerically, showing that it displays wettings transitions between three distinctive phases when in contact with an impenetrable wall. The particles in the model move persistently, tumbling with…

软凝聚态物质 · 物理学 2017-09-13 Néstor Sepúlveda , Rodrigo Soto

Continual learning aims to incrementally acquire new concepts in data streams while resisting forgetting previous knowledge. With the rise of powerful pre-trained models (PTMs), there is a growing interest in training incremental learning…

机器学习 · 计算机科学 2024-11-05 Linglan Zhao , Xuerui Zhang , Ke Yan , Shouhong Ding , Weiran Huang

The dissipation rates of the basic second-order moments are the key parameters playing a vital role in turbulence modelling and controlling turbulence energetics and spectra and turbulent fluxes of momentum and heat. In this paper, we use…

流体动力学 · 物理学 2025-01-30 Evgeny Kadantsev , Evgeny Mortikov , Andrey Glazunov , Nathan Kleeorin , Igor Rogachevskii

The contact process is a stochastic process which exhibits a continuous, absorbing-state phase transition in the Directed Percolation (DP) universality class. In this work, we consider a contact process with a bias in conjunction with an…

统计力学 · 物理学 2013-05-20 A. Costa , R. A. Blythe , M. R. Evans

We continue the investigation of kinetic models of a system in contact via stochastic interactions with several spatially homogeneous thermal reservoirs at different temperatures. Considering models different from those investigated in…

数学物理 · 物理学 2017-04-18 Eric A. Carlen , Raffaelle Esposito , Joel L. Lebowitz , Rossana Marra , Clement Mouhot

We present numerical studies of first-order and continuous filling transitions, in wedges of arbitrary opening angle $\psi$, using a microscopic fundamental measure density functional model with short-ranged fluid-fluid forces and…

统计力学 · 物理学 2015-06-11 Alexandr Malijevský , Andrew O. Parry

The formation and migration of disconnections (line defects constrained to the grain boundary (GB) plane with both dislocation and step character) control many of the kinetic and dynamical properties of GBs and the polycrystalline materials…

材料科学 · 物理学 2020-12-16 Kongtao Chen , David J. Srolovitz , Jian Han

We study operations on fixpoint equation systems (FES) over arbitrary complete lattices. We investigate under which conditions these operations, such as substituting variables by their definition, and swapping the ordering of equations,…

计算机科学中的逻辑 · 计算机科学 2024-08-07 Thomas Neele , Jaco van de Pol

This paper presents a novel methodology for fast simulation and analysis of transient heat transfer. The proposed methodology is suitable for real-time applications owing to (i) establishing the solution method from the viewpoint of…

计算工程、金融与科学 · 计算机科学 2021-12-30 Jinao Zhang , Sunita Chauhan

Our understanding of various states of matter usually relies on the assumption of thermodynamic equilibrium. However, the transitions between different phases of matter can be strongly affected by non-equilibrium phenomena. Here we…

量子气体 · 物理学 2013-05-03 Alexander L. Gaunt , Richard J. Fletcher , Robert P. Smith , Zoran Hadzibabic

Complex systems can convert energy imparted by nonequilibrium forces to regulate how quickly they transition between long lived states. While such behavior is ubiquitous in natural and synthetic systems, currently there is no general…

统计力学 · 物理学 2021-04-28 Benjamin Kuznets-Speck , David T. Limmer

Singularities in macroscopic systems at discontinuous phase transitions are replaced in finite systems by sharp but continuous changes. Both the energy differences between metastable and stable phases and the energy barriers separating…

统计力学 · 物理学 2009-11-13 Alexander Patashinski , Mark Ratner

We investigate the dynamical and structural properties of absorbing phase transitions (APTs) within granular systems. Specifically, we examine a model for vibrofluidized systems of spherical grains, which undergo a transition from a state…

软凝聚态物质 · 物理学 2025-12-24 Raphael Maire , Andrea Plati , Frank Smallenburg , Giuseppe Foffi

A previously developed modeling procedure for large eddy simulations (LESs) is extended to allow physical space implementations for inhomogeneous flows. The method is inspired by the well-established theoretical analyses and numerical…

流体动力学 · 物理学 2022-10-28 Guangrui Sun , J. Andrzej Domaradzki

Our recent study on the Bethe lattice reported that a discontinuous percolation transition emerges as the number of occupied links increases and each node rewires its links to locally suppress the growth of neighboring clusters. However,…

无序系统与神经网络 · 物理学 2026-01-19 Young Sul Cho

The paradox of the energy transition is that the low marginal costs of new renewable energy sources (RES) drag electricity prices down and discourage investments in flexible productions that are needed to compensate for the lack of…

物理与社会 · 物理学 2018-06-18 Laurent Pagnier , Philippe Jacquod

In this paper, a thermodynamically consistent phase-field model is proposed to describe the mass transport and reaction processes of multiple species in a fluid. A key feature of this model is that reactions between different species occur…

数值分析 · 数学 2025-03-24 Zhaoyang Wang , Huaxiong Huang , Ping Lin , Shixin Xu