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Climate change has been a popular topic for a number of years now. Computer Science has contributed to aiding humanity in reducing energy requirements and consequently global warming. Much of this work is through calculators which determine…

计算机与社会 · 计算机科学 2010-06-09 Matt Donato , Seng W. Loke

This paper contains the details of a distributed trust-aware recommendation system. Trust-base recommenders have received a lot of attention recently. The main aim of trust-based recommendation is to deal the problems in traditional…

社会与信息网络 · 计算机科学 2010-11-11 Mohsen Jamali

In many natural and industrial applications, turbulent flows encompass some form of dispersed particles. Although this type of multiphase turbulent flow is omnipresent, its numerical modeling has proven to be a remarkably challenging…

流体动力学 · 物理学 2024-07-02 Xander M. de Wit , Rudie P. J. Kunnen , Herman J. H. Clercx , Federico Toschi

The field of weather and climate science is at a pivotal moment, defined by the dual forces of unprecedented technological advancement. While a shifting research and employment landscape has created career uncertainty, leading to a…

大气与海洋物理 · 物理学 2025-10-27 Gan Zhang , Zhuo Wang , Kevin A Reed , Lucas M Harris

Dynamical Ensemble Equivalence between hydrodynamic dissipative equations and suitable time-reversible dynamical systems has been investigated in a class of dynamical systems for turbulence. The reversible dynamics is obtained from the…

chao-dyn · 物理学 2009-10-30 L. Biferale , D. Pierotti , A. Vulpiani

Our simulation-based experiments are aimed to demonstrate a use case on the feasibility of fulfillment of global energy demand by primarily relying on solar energy through the integration of a longitudinally-distributed grid. These…

计算机与社会 · 计算机科学 2022-06-14 Harsh Vardhan , Neal M Sarkar , Himanshu Neema

Cloud platforms' growing energy demand and carbon emissions are raising concern about their environmental sustainability. The current approach to enabling sustainable clouds focuses on improving energy-efficiency and purchasing carbon…

分布式、并行与集群计算 · 计算机科学 2021-06-17 Noman Bashir , Tian Guo , Mohammad Hajiesmaili , David Irwin , Prashant Shenoy , Ramesh Sitaraman , Abel Souza , Adam Wierman

Simulating atmospheric turbulence is an essential task for evaluating turbulence mitigation algorithms and training learning-based methods. Advanced numerical simulators for atmospheric turbulence are available, but they require evaluating…

光学 · 物理学 2020-06-24 Nicholas Chimitt , Stanley H. Chan

Ultracold atoms provide a platform for analog quantum computer capable of simulating the quantum turbulence that underlies puzzling phenomena like pulsar glitches in rapidly spinning neutron stars. Unlike other platforms like liquid helium,…

We investigate simulated turbulent flow within thermally driven stellar convection zones. Different driving sources are studied, including cooling at the top of the convectively unstable region, as occurs in surface convection zones; and…

太阳与恒星天体物理 · 物理学 2015-05-18 Casey Meakin , David Arnett

A new energy-consistent discretization of the viscous dissipation function in incompressible flows is proposed. It is implied by choosing a discretization of the diffusive terms and a discretization of the local kinetic energy equation and…

流体动力学 · 物理学 2023-07-21 Benjamin Sanderse , Francesc Xavier Trias

We provide a brief overview of recent advances and outstanding issues in simulations of interstellar turbulence, including isothermal models for interior structure of molecular clouds and larger-scale multiphase models designed to simulate…

星系天体物理 · 物理学 2011-05-05 Alexei G. Kritsuk , Sergey D. Ustyugov , Michael L. Norman

This contribution covers the topics presented by the authors at the {\it ``Fundamental Problems of Turbulence, 50 Years after the Marseille Conference 1961"} meeting that took place in Marseille in 2011. It focuses on some of the…

偏微分方程分析 · 数学 2015-06-12 Claude Bardos , Edriss S. Titi

Sediment transport over an erodible sediment bed is studied by particle resolved simulations with a hybrid parallel approach. To overcome the challenges of load imbalance in the traditional domain decomposition method when encountering…

流体动力学 · 物理学 2022-07-27 Zhengping Zhu , Ruifeng Hu , Yinghaonan Lei , Lian Shen , Xiaojing Zheng

Understanding turbulence is the key to our comprehension of many natural and technological flow processes. At the heart of this phenomenon lies its intricate multi-scale nature, describing the coupling between different-sized eddies in…

A Kolmogorov-type cascade of Kelvin waves--the distortion waves on vortex lines--plays a key part in the relaxation of superfluid turbulence at low temperatures. We propose an efficient numeric scheme for simulating the Kelvin wave cascade…

其他凝聚态物理 · 物理学 2010-10-28 Evgeny Kozik , Boris Svistunov

In this paper we explore the relationship between protostellar outflows and turbulence in molecular clouds. Using 3-D numerical simulations we focus on the hydrodynamics of multiple outflows interacting within a parsec scale volume. We…

天体物理学 · 物理学 2011-02-11 Jonathan J. Carroll , Adam Frank , Eric G. Blackman , Andrew J. Cunningham , Alice C. Quillen

Terrestrial-satellite networks are envisioned to play a significant role in the sixth-generation (6G) wireless networks. In such networks, hot air balloons are useful as they can relay the signals between satellites and ground stations.…

信息论 · 计算机科学 2021-05-31 Shu Fu , Jie Gao , Lian Zhao

We propose a new paradigm for emergence of macroscopic flows. The latter are considered as a collective phenomenon created by many agents that exchange abstract information. The information exchange causes agents to change their relative…

混沌动力学 · 物理学 2009-10-27 Alexander Jonathan Vidgop , Itzhak Fouxon

The weak collisionality typical of turbulence in many diffuse astrophysical plasmas invalidates an MHD description of the turbulent dynamics, motivating the development of a more comprehensive theory of kinetic turbulence. In particular, a…

太阳与恒星天体物理 · 物理学 2015-02-17 Gregory G. Howes