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Mechanics and thermodynamics: A link between the two theories

Year: 2026

Type: article

Abstract: In this note, we analyze the relationships that should govern the use of thermodynamics in fluid mechanics in a way that we believe is understandable to mathematicians. We also aim to better define the reasons why mechanics and thermodynamics must be correctly linked by showing that the principle of virtual work expressed using a specific internal energy is perfectly suited to fluid mechanics problems, provided that a well-chosen internal energy is proposed.

Source: Applications in Engineering Science

DOI: 10.1016/j.apples.2026.100297

Author: Henri Gouin

Institutions: Centre National de la Recherche Scientifique, Aix-Marseille Université, Institut Universitaire des Systèmes Thermiques Industriels

Language: English

Topic: Fluid dynamics and aerodynamics studies

Subfield: Computational Mechanics

Field: Engineering

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,420

OpenAlex ID: W7125250708

FWCI:

Cites: 9

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