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Related papers: Velocity Selection in 3D Dendrites: Phase Field Co…

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Recent works have shown how the electrical properties of graphene nanoribbons (GNRs) show a size-dependence in terms of resistivity, charge neutrality point (CNP) and band structure once their widths drop below approximately 50 nm. It has…

Mesoscale and Nanoscale Physics · Physics 2026-02-16 Colm Durkan , Xiao Liu , Ed Saunders

Three-dimensional interconnected nanowire networks have recently attracted notable attention for the fabrication of new devices for energy harvesting/storage, sensing, catalysis, magnetic and spintronic applications and for the design of…

The peculiar velocity function of clusters of galaxies is determined using an accurate sample of cluster velocities based on Tully-Fisher distances of Sc galaxies (Giovanelli et al 1995b). In contrast with previous results based on samples…

Astrophysics · Physics 2009-10-28 Neta A. Bahcall , Siang Peng Oh

When sand flows out of a funnel onto a surface, a three dimensional pile that is stabilized by friction grows taller as it spreads. Here we investigate an idealized two dimensional analogue: spreading of a pile of monodisperse oil droplets…

Soft Condensed Matter · Physics 2022-12-20 Johnathan Hoggarth , Jean-Christophe Ono-dit-Biot , Kari Dalnoki-Veress

We study the characteristics of the QCD phase transitions in dense hadronic matter using the Skyrme model constructed on S^3. We find numerically the localized solutions on $S^3$ using the extended Skyrme model which implements correctly…

High Energy Physics - Phenomenology · Physics 2009-09-25 Joon Ha Kim , Sooman Yee , Hyun Kyu Lee

We analyze features that resemble type i spicules in two different 3D numerical simulations in which we include horizontal magnetic flux emergence in a computational domain spanning the upper layers of the convection zone to the lower…

Solar and Stellar Astrophysics · Physics 2011-02-11 J. Martinez-Sykora , V. Hansteen , B. De Pontieu , M. Carlsson

Spiking neural networks (SNNs) have closer dynamics to the brain than current deep neural networks. Their low power consumption and sample efficiency make these networks interesting. Recently, several deep convolutional spiking neural…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Shahriar Rezghi Shirsavar , Mohammad-Reza A. Dehaqani

Dendritic crystal growth in a pure undercooled melt is simulated quantitatively in three dimensions using a phase-field approach. The full non-axisymmetric morphology of the steady-state dendrite tip and $\sigma^*$ are determined as a…

patt-sol · Physics 2009-10-30 Alain Karma , Wouter-Jan Rappel

Given the high potential for applications utilizing the unique properties of single-walled carbon nanotubes (SWCNTs), there is considerable enthusiasm for addressing the challenges associated with synthesizing SWCNTs with specific…

Computational Physics · Physics 2025-11-06 Ikuma Kohata , Ryo Yoshikawa , Kaoru Hisama , Christophe Bichara , Keigo Otsuka , Shigeo Maruyama

Deep convolutional neural networks (ConvNets) of 3-dimensional kernels allow joint modeling of spatiotemporal features. These networks have improved performance of video and volumetric image analysis, but have been limited in size due to…

Computer Vision and Pattern Recognition · Computer Science 2017-06-13 David Budden , Alexander Matveev , Shibani Santurkar , Shraman Ray Chaudhuri , Nir Shavit

We use a combined phase-field/lattice-Boltzmann scheme [D. Medvedev, K. Kassner, Phys. Rev. E {\bf 72}, 056703 (2005)] to simulate non-facetted crystal growth from an undercooled melt in external flows. Selected growth parameters are…

Materials Science · Physics 2009-11-11 Dmitry Medvedev , Thomas Fischaleck , Klaus Kassner

The molecular dynamics method, based on an empirical potential energy surface, was used to study the effect of catalyst particle size on the growth mechanism and structure of single-walled carbon nanotubes (SWNTs). The temperature for…

Materials Science · Physics 2009-11-11 Feng Ding , Arne Rosen , Kim Bolton

In recent years, Convolutional Neural Networks (CNN) have proven to be efficient analysis tools for processing point clouds, e.g., for reconstruction, segmentation and classification. In this paper, we focus on the classification of edges…

We present a mathematical formulation of a multiscale model for solidification with convective flow in the liquid phase. The model is an extension of the dendritic needle network approach for crystal growth in a binary alloy. We propose a…

Materials Science · Physics 2019-04-17 D. Tourret , M. M. Francois , A. J. Clarke

This paper presents a frequency-velocity convolutional neural network (CNN) for rapid, non-invasive 2D shear wave velocity (Vs) imaging of near-surface geo-materials. Operating in the frequency-velocity domain allows for significant…

Machine Learning · Computer Science 2022-07-21 Aser Abbas , Joseph P. Vantassel , Brady R. Cox , Krishna Kumar , Jodie Crocker

The colloidal synthesis of large thin two-dimensional (2D) nanosheets is fascinating but challenging, since the growth along the lateral and vertical dimensions need to be controlled independently. In-plane anisotropy in 2D nanosheets is…

Materials Science · Physics 2019-03-15 Fu Li , Mohammad Mehdi Ramin Moayed , Eugen Klein , Rostyslav Lesyuk , Christian Klinke

Spiking Neural Networks (SNNs) represent the forefront of neuromorphic computing, promising energy-efficient and biologically plausible models for complex tasks. This paper weaves together three groundbreaking studies that revolutionize SNN…

Neural and Evolutionary Computing · Computer Science 2024-07-10 Biswadeep Chakraborty , Saibal Mukhopadhyay

Spiking neural networks (SNNs) communicate via discrete spikes in time rather than continuous activations. Their event-driven nature offers advantages for temporal processing and energy efficiency on resource-constrained hardware, but…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Karol C. Jurzec , Tomasz Szydlo , Maciej Wielgosz

In today's world, a vast amount of data is being generated by edge devices that can be used as valuable training data to improve the performance of machine learning algorithms in terms of the achieved accuracy or to reduce the compute…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Aditya Rajagopal , Christos-Savvas Bouganis

Spiking Neural Networks (SNNs) have gained popularity due to their high energy efficiency. Prior works have proposed various methods for training SNNs, including backpropagation-based methods. Training SNNs is computationally expensive…

Signal Processing · Electrical Eng. & Systems 2024-11-18 Sai Sanjeet , Bibhu Datta Sahoo , Keshab K. Parhi
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