重设中的颗粒气体。

IF 2.4 3区物理与天体物理 Q1 Mathematics

Physical review. E Pub Date : 2025-01-01 DOI:10.1103/PhysRevE.111.015405

Anna S Bodrova, Aleksei V Chechkin, Awadhesh Kumar Dubey

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引用次数: 0

摘要

我们研究了指数复位下无力颗粒气体中的颗粒温度。当发生重置事件时，颗粒温度达到初始值，而由于重置事件之间的非弹性碰撞，颗粒温度降低。我们发展了一个理论，并进行了计算机模拟颗粒气体冷却在泊松重设事件的存在。我们还研究了概率密度函数来量化颗粒温度的分布。我们的理论可以帮助我们理解非周期性驱动颗粒系统的行为。

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Granular gases under resetting.

We investigate the granular temperatures in force-free granular gases under exponential resetting. When a resetting event occurs, the granular temperature attains its initial value, whereas it decreases because of the inelastic collisions between the resetting events. We develop a theory and perform computer simulations for granular gas cooling in the presence of Poissonian resetting events. We also investigate the probability density function to quantify the distribution of granular temperatures. Our theory may help us to understand the behavior of nonperiodically driven granular systems.

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来源期刊

Physical review. E 物理-物理：流体与等离子体

CiteScore

4.60

自引率

16.70%

发文量

审稿时长

3.3 months

期刊介绍： Physical Review E (PRE), broad and interdisciplinary in scope, focuses on collective phenomena of many-body systems, with statistical physics and nonlinear dynamics as the central themes of the journal. Physical Review E publishes recent developments in biological and soft matter physics including granular materials, colloids, complex fluids, liquid crystals, and polymers. The journal covers fluid dynamics and plasma physics and includes sections on computational and interdisciplinary physics, for example, complex networks.