Onsager's Conjecture with Physical Boundaries and an Application to the Vanishing Viscosity Limit
Open Access Publications from the University of California

## Onsager's Conjecture with Physical Boundaries and an Application to the Vanishing Viscosity Limit

• Author(s): Bardos, C
• Titi, E
• Wiedemann, E
• et al.
Abstract

We consider the incompressible Euler equations in a bounded domain in three space dimensions. Recently, the first two authors proved Onsager's conjecture for bounded domains, i.e., that the energy of a solution to these equations is conserved provided the solution is H\"older continuous with exponent greater than 1/3, uniformly up to the boundary. In this contribution we relax this assumption, requiring only interior H\"older regularity and continuity of the normal component of the energy flux near the boundary. The significance of this improvement is given by the fact that our new condition is consistent with the possible formation of a Prandtl-type boundary layer in the vanishing viscosity limit.

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