Association schemes perspective of microbubble cluster in ultrasonic fields

S. Behnia, M. Yahyavi, R. Habibpourbisafar

Research output: Contribution to journalArticle

Abstract

Dynamics of a cluster of chaotic oscillators on a network are studied using coupled maps. By introducing the association schemes, we obtain coupling strength in the adjacency matrices form, which satisfies Markov matrices property. We remark that in general, the stability region of the cluster of oscillators at the synchronization state is characterized by Lyapunov exponent which can be defined based on the N-coupled map. As a detailed physical example, dynamics of microbubble cluster in an ultrasonic field are studied using coupled maps. Microbubble cluster dynamics have an indicative highly active nonlinear phenomenon, were not easy to be explained. In this paper, a cluster of microbubbles with a thin elastic shell based on the modified Keller-Herring equation in an ultrasonic field is demonstrated in the framework of the globally coupled map. On the other hand, a relation between the microbubble elements is replaced by a relation between the vertices. Based on this method, the stability region of microbubbles pulsations at complete synchronization state has been obtained analytically. In this way, distances between microbubbles as coupling strength play the crucial role. In the stability region, we thus observe that the problem of study of dynamics of N-microbubble oscillators reduce to that of a single microbubble. Therefore, the important parameters of the isolated microbubble such as applied pressure, driving frequency and the initial radius have effective behavior on the synchronization state.

Original languageEnglish
Pages (from-to)45-52
Number of pages8
JournalUltrasonics Sonochemistry
Volume44
DOIs
Publication statusPublished - 2018 Jun

Fingerprint

Microbubbles
Ultrasonics
ultrasonics
Synchronization
synchronism
oscillators
matrix
elastic shells
shell
apexes
exponents
radii
matrices
Pressure

All Science Journal Classification (ASJC) codes

  • Chemical Engineering (miscellaneous)
  • Environmental Chemistry
  • Radiology Nuclear Medicine and imaging
  • Acoustics and Ultrasonics
  • Organic Chemistry
  • Inorganic Chemistry

Cite this

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Association schemes perspective of microbubble cluster in ultrasonic fields. / Behnia, S.; Yahyavi, M.; Habibpourbisafar, R.

In: Ultrasonics Sonochemistry, Vol. 44, 06.2018, p. 45-52.

Research output: Contribution to journalArticle

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