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The effect of localized friction on the disruption of self-similarity.

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Title: The effect of localized friction on the disruption of self-similarity.
Authors: Noormohammadi, Asghar1,2 (AUTHOR), Barron, Ronald2,3 (AUTHOR), Balachandar, Ram2,4 (AUTHOR) asghar.noormohammadi@uwaterloo.ca
Source: Physics of Fluids. Sep2026, Vol. 38 Issue 9, p1-13. 13p.
Subject Terms: *Friction, *Scale invariance (Statistical physics), *Physics
Abstract: The present study demonstrates the absence of self-similarity formation in the distribution of mean concentration fields. An examination in both the physical and spectral spaces revealed that the convection−diffusion mechanism and the development of short- and long-range dispersion play a minimal role in influencing the nature of self-similarity. The friction concentration is considered as the key factor in determining the emergence of self-similarity. It is observed that as the rate of change of friction concentration fields tends to zero, the mean concentration fields stabilize into self-similar patterns more effectively. [ABSTRACT FROM AUTHOR]
Database: Academic Search Index
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  Data: The effect of localized friction on the disruption of self-similarity.
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  Data: <searchLink fieldCode="AR" term="%22Noormohammadi%2C+Asghar%22">Noormohammadi, Asghar</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Barron%2C+Ronald%22">Barron, Ronald</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Balachandar%2C+Ram%22">Balachandar, Ram</searchLink><relatesTo>2,4</relatesTo> (AUTHOR)<i> asghar.noormohammadi@uwaterloo.ca</i>
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  Data: <searchLink fieldCode="JN" term="%22Physics+of+Fluids%22">Physics of Fluids</searchLink>. Sep2026, Vol. 38 Issue 9, p1-13. 13p.
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  Data: *<searchLink fieldCode="DE" term="%22Friction%22">Friction</searchLink><br />*<searchLink fieldCode="DE" term="%22Scale+invariance+%28Statistical+physics%29%22">Scale invariance (Statistical physics)</searchLink><br />*<searchLink fieldCode="DE" term="%22Physics%22">Physics</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: The present study demonstrates the absence of self-similarity formation in the distribution of mean concentration fields. An examination in both the physical and spectral spaces revealed that the convection−diffusion mechanism and the development of short- and long-range dispersion play a minimal role in influencing the nature of self-similarity. The friction concentration is considered as the key factor in determining the emergence of self-similarity. It is observed that as the rate of change of friction concentration fields tends to zero, the mean concentration fields stabilize into self-similar patterns more effectively. [ABSTRACT FROM AUTHOR]
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        Value: 10.1063/5.0339909
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      – Code: eng
        Text: English
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        PageCount: 13
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      – SubjectFull: Friction
        Type: general
      – SubjectFull: Scale invariance (Statistical physics)
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            – D: 01
              M: 09
              Text: Sep2026
              Type: published
              Y: 2026
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              Value: 9
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