Zobrazeno 1 - 10
of 176
pro vyhledávání: '"George Haller"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Complex behavior in nonlinear dynamical systems often arises from resonances, which enable intricate energy transfer mechanisms among modes that otherwise would not interact. Theoretical, numerical and experimental methods are available to s
Externí odkaz:
https://doaj.org/article/91446ef3e9624f408e2c4767f2999559
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-13 (2022)
Current data-driven modelling techniques perform reliably on linear systems or on those that can be linearized. Cenedese et al. develop a data-based reduced modeling method for non-linear, high-dimensional physical systems. Their models reconstruct a
Externí odkaz:
https://doaj.org/article/604ed48c217245c486e338d0b8b49107
Autor:
Lidia Martínez, Pablo Merino, Gonzalo Santoro, José I. Martínez, Stergios Katsanoulis, Jesse Ault, Álvaro Mayoral, Luis Vázquez, Mario Accolla, Alexandre Dazzi, Jeremie Mathurin, Ferenc Borondics, Enrique Blázquez-Blázquez, Nitzan Shauloff, Rosa Lebrón-Aguilar, Jesús E. Quintanilla-López, Raz Jelinek, José Cernicharo, Howard A. Stone, Victor A. de la Peña O’Shea, Pedro L. de Andres, George Haller, Gary J. Ellis, José A. Martín-Gago
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-8 (2021)
There is an urgent need of cleaner and energy-efficient technologies for future sustainable chemicals and fuels. Here the authors report the gas phase synthesis of long hydrocarbon chains from atomic carbon and molecular hydrogen precursors in an ine
Externí odkaz:
https://doaj.org/article/3850ac7b04494eb2884f9be666dff8f5
Autor:
Mattia Serra, Pratik Sathe, Irina Rypina, Anthony Kirincich, Shane D. Ross, Pierre Lermusiaux, Arthur Allen, Thomas Peacock, George Haller
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-7 (2020)
Every year, hundreds of people die at sea because of vessel accidents, and a key challenge in reducing these fatalities is to make Search and Rescue (SAR) planning more efficient. Here, the authors uncover hidden flow features that attract floating o
Externí odkaz:
https://doaj.org/article/1d72eff0a56245a49dcf8e5f5962d5d8
Publikováno v:
Nonlinear Dynamics, 111 (10)
Nonlinear Dynamics: an international journal of nonlinear dynamics and chaos in engineering systems, 111(10)
Nonlinear Dynamics: an international journal of nonlinear dynamics and chaos in engineering systems, 111(10)
Dynamical systems are often subject to algebraic constraints in conjunction with their governing ordinary differential equations. In particular, multibody systems are commonly subject to configuration constraints that define kinematic compatibility b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::311a9a94b65bb37da20bd04c480c3da3
https://doi.org/10.1007/s11071-023-08300-5
https://doi.org/10.1007/s11071-023-08300-5
Autor:
George Haller
Transport barriers are observed inhibitors of the spread of substances in flows. The collection of such barriers offers a powerful geometric template that frames the main pathways, or lack thereof, in any transport process. This book surveys effectiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::513778191114f7d2f7f0bc6447043111
https://doi.org/10.1017/9781009225199
https://doi.org/10.1017/9781009225199
Publikováno v:
Journal of Fluid Mechanics, 954
Instantaneous features of three-dimensional velocity fields are most directly visualized via streamsurfaces. It is generally unclear, however, which streamsurfaces one should pick for this purpose, given that infinitely many such surfaces pass throug
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47a4969f891320818854d6204a5e1778
https://hdl.handle.net/20.500.11850/593747
https://hdl.handle.net/20.500.11850/593747
Publikováno v:
Nonlinear Dynamics, 111 (9)
We present a fast method for nonlinear data-driven model reduction of dynamical systems onto their slowest nonresonant spectral submanifolds (SSMs). While the recently proposed reduced-order modeling method SSMLearn uses implicit optimization to fit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df3288e5f3e944becd29db26a061e28c
Autor:
Mattia Serra, Pratik Sathe, Irina Rypina, Anthony Kirincich, Shane D. Ross, Pierre Lermusiaux, Arthur Allen, Thomas Peacock, George Haller
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-1 (2020)
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Externí odkaz:
https://doaj.org/article/cf3f506ba52c41eeb781bc5b12a7a4b7
Autor:
George Haller, Shobhit Jain
Publikováno v:
Nonlinear Dynamics, 107 (2)
Invariant manifolds are important constructs for the quantitative and qualitative understanding of nonlinear phenomena in dynamical systems. In nonlinear damped mechanical systems, for instance, spectral submanifolds have emerged as useful tools for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c310f5883ad9129f8db3e598a167a72
https://doi.org/10.1007/s11071-021-06957-4
https://doi.org/10.1007/s11071-021-06957-4