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On-line Access: 2021-03-10

Received: 2020-05-02

Revision Accepted: 2020-07-18

Crosschecked: 2021-01-14

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Sajad Jafari


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Journal of Zhejiang University SCIENCE A 2021 Vol.22 No.3 P.235-244


Chimera state in a network of nonlocally coupled impact oscillators

Author(s):  Jerzy Wojewoda, Karthikeyan Rajagopal, Viet-Thanh Pham, Fatemeh Parastesh, Tomasz Kapitaniak, Sajad Jafari

Affiliation(s):  Division of Dynamics, Lodz University of Technology, Lodz 90-924, Poland; more

Corresponding email(s):   sajadjafari83@gmail.com

Key Words:  Mechanical oscillators, Impact oscillator, Coupled network, Nonlocal coupling, Chimera state

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Jerzy Wojewoda, Karthikeyan Rajagopal, Viet-Thanh Pham, Fatemeh Parastesh, Tomasz Kapitaniak, Sajad Jafari. Chimera state in a network of nonlocally coupled impact oscillators[J]. Journal of Zhejiang University Science A, 2021, 22(3): 235-244.

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author="Jerzy Wojewoda, Karthikeyan Rajagopal, Viet-Thanh Pham, Fatemeh Parastesh, Tomasz Kapitaniak, Sajad Jafari",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

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%T Chimera state in a network of nonlocally coupled impact oscillators
%A Jerzy Wojewoda
%A Karthikeyan Rajagopal
%A Viet-Thanh Pham
%A Fatemeh Parastesh
%A Tomasz Kapitaniak
%A Sajad Jafari
%J Journal of Zhejiang University SCIENCE A
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%P 235-244
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%D 2021
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A2000205

T1 - Chimera state in a network of nonlocally coupled impact oscillators
A1 - Jerzy Wojewoda
A1 - Karthikeyan Rajagopal
A1 - Viet-Thanh Pham
A1 - Fatemeh Parastesh
A1 - Tomasz Kapitaniak
A1 - Sajad Jafari
J0 - Journal of Zhejiang University Science A
VL - 22
IS - 3
SP - 235
EP - 244
%@ 1673-565X
Y1 - 2021
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A2000205

chimera state is a peculiar spatiotemporal pattern, wherein the coherence and incoherence coexist in the network of coupled identical oscillators. In this paper, we study the chimera states in a network of impact oscillators with nonlocal coupling. We investigate the effects of the coupling strength and the coupling range on the network behavior. The results reveal the emergence of the chimera state for significantly small values of coupling strength, and higher coupling strength values lead to unbounded motions in the oscillators. We also study the network in the case of excitation failure. We observe that the coupling helps in the maintenance of an oscillatory motion with a lower amplitude in the failed oscillator.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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