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Abstract
This work presents a self-contained continuum formulation for coupled chemical, mechanical, and thermal contact interactions. The formulation is very general and, hence, admits arbitrary geometry, deformation, and material behavior. All model equations are derived rigorously from the balance laws of mass, momentum, energy, and entropy in the framework of irreversible thermodynamics, thus exposing all the coupling present in the field equations and constitutive relations. In the process, the conjugated kinematic and kinetic variables for mechanical, thermal, and chemical contact are identified, and the analogies between mechanical, thermal, and chemical contact are highlighted. Particular focus is placed on the thermodynamics of chemical bonding distinguishing between exothermic and endothermic contact reactions. Distinction is also made between long-range, non-touching surface interactions and short-range, touching contact. For all constitutive relations, examples are proposed and discussed comprehensively with particular focus on their coupling. Finally, three analytical test cases are presented that illustrate the thermo-chemo-mechanical contact coupling and are useful for verifying computational models. Although the main novelty is the extension of existing contact formulations to chemical contact, the presented formulation also sheds new light on thermo-mechanical contact, because it is consistently derived from basic principles using only a few assumptions.
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Authors (3)
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Thang X. Duong dr
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Kranthi K. Mandadapu
Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1177/10812865211032723
- License
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
MATHEMATICS AND MECHANICS OF SOLIDS
no. online first,
pages 1 - 35,
ISSN: 1081-2865 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Sauer R., Duong T. X., Mandadapu K. K.: A chemo-mechano-thermodynamical contact theory for adhesion, friction, and (de)bonding reactions// MATHEMATICS AND MECHANICS OF SOLIDS -Vol. online first, (2021), s.1-35
- DOI:
- Digital Object Identifier (open in new tab) 10.1177/10812865211032723
- Verified by:
- Gdańsk University of Technology
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