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An elastic foil interacting with a uniform flow with its trailing edge clamped, also known as the inverted foil, exhibits a wide range of complex self-induced flapping regimes such as large amplitude flapping (LAF), deformed and flipped…

流体动力学 · 物理学 2019-07-03 P. S. Gurugubelli , R. K. Jaiman

Freckles, one of the common defects in blades used in heavy duty gas turbines, hugely deteriorates blades mechanical properties and liability under service conditions. Thermal-solutal convection theory is a widely adopted formation…

材料科学 · 物理学 2023-06-16 Shuai Wang , Yuliang Jia , Yongzhe Wang , Yongjia Zhang , Lan Ma , Feng Cheng , Yi Zeng , Xu Shen , Yingliu Du , Binghui Ge

Breakjunction experiments allow investigating electronic and spintronic properties at the atomic and molecular scale. These experiments generate by their very nature broad and asymmetric distributions of the observables of interest, and…

介观与纳米尺度物理 · 物理学 2023-09-20 Dylan Dyer , Oliver L. A. Monti

We use the local load sharing fiber bundle model to demonstrate a shielding effect where strong fibers protect weaker ones. This effect exists due to the local stress enhancement around broken fibers in the local load sharing model, and it…

无序系统与神经网络 · 物理学 2019-10-21 Jonas T. Kjellstadli , Eivind Bering , Srutarshi Pradhan , Alex Hansen

We perform high-fidelity, two-dimensional (2D), fluid-structure interaction (FSI) simulations at a Reynolds number of $Re=200$ of uniform flow past an inverted flag (i.e., clamped at its trailing edge). The inverted flag system can exhibit…

流体动力学 · 物理学 2021-05-04 Andres Goza

The smooth operation of supply networks is crucial for the proper functioning of many systems, ranging from biological organisms such as the human blood transport system or plant leaves to man-made systems such as power grids or gas…

物理与社会 · 物理学 2020-01-09 Franz Kaiser , Julius Strake , Dirk Witthaut

The fluid-solid-electric dynamics of a flexible plate covered by interconnected piezoelectric patches in an axial steady flow are investigated using numerical simulations based on a reduced-order model of the fluid loading for slender…

流体动力学 · 物理学 2016-12-19 Y. Xia , O. Doare , S. Michelin

Over the long timescale of many charge/discharge cycles, gas formation can result in large bulging deformations of a Lithium-ion pouch cell, which is a key failure mechanism in batteries. Guided by recent experimental X-ray tomography data…

软凝聚态物质 · 物理学 2024-11-21 Andrea Giudici , Colin Please , Jon Chapman

Transmission line failure in power systems prop-agate non-locally, making the control of the resulting outages extremely difficult. In Part II of this paper, we continue the study of line failure localizability in transmission networks and…

系统与控制 · 电气工程与系统科学 2021-04-27 Linqi Guo , Chen Liang , Alessandro Zocca , Steven H. Low , Adam Wierman

We introduce the study of information leakage through \emph{guesswork}, the minimum expected number of guesses required to guess a random variable. In particular, we define \emph{maximal guesswork leakage} as the multiplicative decrease,…

信息论 · 计算机科学 2024-05-07 Gowtham R. Kurri , Malhar Managoli , Vinod M. Prabhakaran

Fundamental insight into the physics of buoyant gas dispersion from realistic flow geometries is necessary to accurately predict flow structures associated with hydrogen outflow from accidental leaks and the associated flammability…

流体动力学 · 物理学 2019-06-27 Majid Soleimani nia , Peter Oshkai , Ned Djilali

In complex networks, the failure of one or very few nodes may cause cascading failures. When this dynamical process stops in steady state, the size of the giant component formed by remaining un-failed nodes can be used to measure the…

社会与信息网络 · 计算机科学 2015-06-30 Junbiao Liu , Xinyu Jin , Lurong Jiang , Yongxiang Xia , Bo Ouyang , Fang Dong , Yicong Lang , Wenping Zhang

Side-channel attacks that leak sensitive information through a computing device's interaction with its physical environment have proven to be a severe threat to devices' security, particularly when adversaries have unfettered physical…

密码学与安全 · 计算机科学 2021-06-15 Ileana Buhan , Lejla Batina , Yuval Yarom , Patrick Schaumont

We investigate the abrupt breakdown behavior of coupled distribution grids under load growth. This scenario mimics the ever-increasing customer demand and the foreseen introduction of energy hubs interconnecting the different energy…

We introduce a new microscopic model of the outages in transmission power grids. This model accounts for the automatic response of the grid to load fluctuations that take place on the scale of minutes, when the optimum power flow…

物理与社会 · 物理学 2015-03-17 René Pfitzner , Konstantin Turitsyn , Michael Chertkov

Side channels represent a broad class of security vulnerabilities that have been demonstrated to exist in many applications. Because completely eliminating side channels often leads to prohibitively high overhead, there is a need for a…

信息论 · 计算机科学 2020-04-20 Benjamin Wu , Aaron B. Wagner , G. Edward Suh

This paper studies a nonlinear plate equation with internal fractional damping and a time-delay term, driven by a polynomial-type nonlinear source. Such a model arises naturally in the description of viscoelastic and feedback-controlled…

偏微分方程分析 · 数学 2026-02-24 Iqra Kanwal , Jianghao Hao , Muhammad Fahim Aslam , Mauricio Sepúlveda-Cortés

Over the last decade, external seeded free electron lasers (FELs) have achieved significant advancements across various disciplines, progressively establishing themselves as indispensable tools in fields ranging from fundamental science to…

加速器物理 · 物理学 2024-11-18 Li Zeng , Chao Feng , Xiaofan Wang , Huaiqian Yi , Weiqing Zhang

Chapman-Enskog analysis of the lattice Boltzmann method (LBM) is adopted to recover the Navier-Stokes (N-S) equation for the magnetohydrodynamic (MHD) flows driven by external body forces other than the induced Lorentz force. Various…

流体动力学 · 物理学 2025-12-16 Jun Li

The interrelationship between a material's structure and its properties lies at the heart of materials-related research. Finding how the changes of one affect the other is of primary importance in theoretical and computational materials…

介观与纳米尺度物理 · 物理学 2024-06-14 Hao Wang , Kah-Meng Yam , Zhuoling Jiang , Na Guo , Chun Zhang
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