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Rheological modeling with GENERIC and with the Onsager principle.

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Title: Rheological modeling with GENERIC and with the Onsager principle.
Authors: Grmela, Miroslav1 (AUTHOR) miroslav.grmela@polymtl.ca
Source: Journal of Non-Equilibrium Thermodynamics. Apr2026, Vol. 51 Issue 2, p151-160. 10p.
Subjects: Complex fluids, Conservation of mass, Polymer solutions, Principle (Philosophy), Viscoelasticity, Momentum (Mechanics), Energy conservation
Abstract: In this paper we compare three frameworks for modeling flows of complex fluids: (i) local conservations of mass, momentum and energy, (ii) GENERIC, and (iii) Onsager principle. The first is based on the mass, momentum, and energy conservation implied by mechanics, the second on the observed approach (in the state space) of externally unforced fluids to thermodynamic equilibrium states, and the third on the approach (in the space of vector fields) of externally driven fluids to dynamics involving less details. The comparison is illustrated on isothermal polymeric fluids. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Non-Equilibrium Thermodynamics is the property of De Gruyter 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: 193784160
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Rheological modeling with GENERIC and with the Onsager principle.
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  Data: <searchLink fieldCode="AR" term="%22Grmela%2C+Miroslav%22">Grmela, Miroslav</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> miroslav.grmela@polymtl.ca</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Non-Equilibrium+Thermodynamics%22">Journal of Non-Equilibrium Thermodynamics</searchLink>. Apr2026, Vol. 51 Issue 2, p151-160. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Complex+fluids%22">Complex fluids</searchLink><br /><searchLink fieldCode="DE" term="%22Conservation+of+mass%22">Conservation of mass</searchLink><br /><searchLink fieldCode="DE" term="%22Polymer+solutions%22">Polymer solutions</searchLink><br /><searchLink fieldCode="DE" term="%22Principle+%28Philosophy%29%22">Principle (Philosophy)</searchLink><br /><searchLink fieldCode="DE" term="%22Viscoelasticity%22">Viscoelasticity</searchLink><br /><searchLink fieldCode="DE" term="%22Momentum+%28Mechanics%29%22">Momentum (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+conservation%22">Energy conservation</searchLink>
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  Label: Abstract
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  Data: In this paper we compare three frameworks for modeling flows of complex fluids: (i) local conservations of mass, momentum and energy, (ii) GENERIC, and (iii) Onsager principle. The first is based on the mass, momentum, and energy conservation implied by mechanics, the second on the observed approach (in the state space) of externally unforced fluids to thermodynamic equilibrium states, and the third on the approach (in the space of vector fields) of externally driven fluids to dynamics involving less details. The comparison is illustrated on isothermal polymeric fluids. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Non-Equilibrium Thermodynamics is the property of De Gruyter 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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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1515/jnet-2025-0125
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 10
        StartPage: 151
    Subjects:
      – SubjectFull: Complex fluids
        Type: general
      – SubjectFull: Conservation of mass
        Type: general
      – SubjectFull: Polymer solutions
        Type: general
      – SubjectFull: Principle (Philosophy)
        Type: general
      – SubjectFull: Viscoelasticity
        Type: general
      – SubjectFull: Momentum (Mechanics)
        Type: general
      – SubjectFull: Energy conservation
        Type: general
    Titles:
      – TitleFull: Rheological modeling with GENERIC and with the Onsager principle.
        Type: main
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          Name:
            NameFull: Grmela, Miroslav
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          Dates:
            – D: 01
              M: 04
              Text: Apr2026
              Type: published
              Y: 2026
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              Value: 03400204
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              Value: 51
            – Type: issue
              Value: 2
          Titles:
            – TitleFull: Journal of Non-Equilibrium Thermodynamics
              Type: main
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