Time-domain immersed-boundary simulation of acoustic propagation between two spherical gas bubbles-Reference-Cited by-同舟云学术

Time-domain immersed-boundary simulation of acoustic propagation between two spherical gas bubbles

Published:2023-09-01 Issue:9 Volume:3 Page:
ISSN:2691-1191
Container-title:JASA Express Letters
language:en
Short-container-title:

Author:

Hou Jiacheng¹,Zheng Zhongquan Charlie¹^ORCID,Allen John S.²

Affiliation:

1. Mechanical and Aerospace Engineering, Utah State University 1 , Logan, Utah 84332, USA

2. Mechanical Engineering, University of Hawai‘i at Mānoa 2 , Honolulu, Hawaii 96822, USA jiacheng.hou@usu.edu , zzheng@usu.edu , alleniii@hawaii.edu

Abstract

Acoustic fields and resonance responses from two spherical gas bubbles are investigated using a time-domain simulation. Interior acoustic fields are obtained simultaneously from the simulation of the entire acoustic field propagation with an immersed-boundary method. The linear resonance responses are obtained and discussed for each of the bubbles with respect to the respective interior gas velocities. Also, these are analyzed in the frequency domain in terms of the coupled interactions. Unlike previous numerical and analytical solutions, the method allows for two bubbles of different sizes and shapes to be in contact with each other, which is representative of applicable underwater scattering targets.

Publisher

Acoustical Society of America (ASA)

Subject

Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics

Link

https://pubs.aip.org/asa/jel/article-pdf/doi/10.1121/10.0020811/18113287/094002_1_10.0020811.pdf

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