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A hybrid radiative transfer and statistical energy analysis theory for point-coupled subsystems.

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Title: A hybrid radiative transfer and statistical energy analysis theory for point-coupled subsystems.
Authors: Theyssen, J.1 (AUTHOR) jannik.theyssen@gmail.com, Totaro, N.1 (AUTHOR), Maxit, L.1 (AUTHOR), Le Bot, A.2 (AUTHOR)
Source: Journal of the Acoustical Society of America. May2026, Vol. 159 Issue 5, p4657-4667. 11p.
Subjects: Statistical energy analysis, Radiative transfer, Noise, Vibration (Mechanics), Energy transfer
Abstract: This article presents a hybrid theory in sound and vibration, unifying statistical energy analysis (SEA) and radiative energy transfer theory for point-coupled two-dimensional subsystems excited by stationary random forces. It is designed to bridge the gap between the domains in which the vibrational field is diffuse and where it is not a result of a high damping. The theory extends the applicability of SEA beyond its traditional range, addressing limitations posed by nonhomogeneous energy distribution and point coupling between subsystems. The reformulation of the radiative transfer equation for point-coupled subsystems is a central focus, providing a solution to the singularity issue in the energy kernel. A test case of two plates coupled by a spring demonstrates the efficiency of the hybrid model, showing good agreement with reference calculations. [ABSTRACT FROM AUTHOR]
Copyright of Journal of the Acoustical Society of America is the property of American Institute of Physics and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 194178308
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: A hybrid radiative transfer and statistical energy analysis theory for point-coupled subsystems.
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  Data: <searchLink fieldCode="AR" term="%22Theyssen%2C+J%2E%22">Theyssen, J.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> jannik.theyssen@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Totaro%2C+N%2E%22">Totaro, N.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Maxit%2C+L%2E%22">Maxit, L.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Le+Bot%2C+A%2E%22">Le Bot, A.</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+the+Acoustical+Society+of+America%22">Journal of the Acoustical Society of America</searchLink>. May2026, Vol. 159 Issue 5, p4657-4667. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Statistical+energy+analysis%22">Statistical energy analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Radiative+transfer%22">Radiative transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Noise%22">Noise</searchLink><br /><searchLink fieldCode="DE" term="%22Vibration+%28Mechanics%29%22">Vibration (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+transfer%22">Energy transfer</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This article presents a hybrid theory in sound and vibration, unifying statistical energy analysis (SEA) and radiative energy transfer theory for point-coupled two-dimensional subsystems excited by stationary random forces. It is designed to bridge the gap between the domains in which the vibrational field is diffuse and where it is not a result of a high damping. The theory extends the applicability of SEA beyond its traditional range, addressing limitations posed by nonhomogeneous energy distribution and point coupling between subsystems. The reformulation of the radiative transfer equation for point-coupled subsystems is a central focus, providing a solution to the singularity issue in the energy kernel. A test case of two plates coupled by a spring demonstrates the efficiency of the hybrid model, showing good agreement with reference calculations. [ABSTRACT FROM AUTHOR]
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  Group: Ab
  Data: <i>Copyright of Journal of the Acoustical Society of America is the property of American Institute of Physics and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1121/10.0043869
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      – Code: eng
        Text: English
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        PageCount: 11
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    Subjects:
      – SubjectFull: Statistical energy analysis
        Type: general
      – SubjectFull: Radiative transfer
        Type: general
      – SubjectFull: Noise
        Type: general
      – SubjectFull: Vibration (Mechanics)
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      – SubjectFull: Energy transfer
        Type: general
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      – TitleFull: A hybrid radiative transfer and statistical energy analysis theory for point-coupled subsystems.
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              M: 05
              Text: May2026
              Type: published
              Y: 2026
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