Počet záznamů: 1
On convergence of approximate solutions to the compressible Euler system
- 1.0532187 - MÚ 2021 RIV CH eng J - Článek v odborném periodiku
Feireisl, Eduard - Hofmanová, M.
On convergence of approximate solutions to the compressible Euler system.
Annals of PDE. Roč. 6, č. 2 (2020), č. článku 11. ISSN 2524-5317. E-ISSN 2199-2576
Grant CEP: GA ČR(CZ) GA18-05974S
Institucionální podpora: RVO:67985840
Klíčová slova: compressible Euler system * convergence * defect measure * weak solution
Obor OECD: Pure mathematics
Způsob publikování: Open access
https://doi.org/10.1007/s40818-020-00086-8
We consider a sequence of approximate solutions to the compressible Euler system admitting uniform energy bounds and/or satisfying the relevant field equations modulo an error vanishing in the asymptotic limit. We show that such a sequence either (i) converges strongly in the energy norm, or (ii) the limit is not a weak solution of the associated Euler system. This is in sharp contrast to the incompressible case, where (oscillatory) approximate solutions may converge weakly to solutions of the Euler system. Our approach leans on identifying a system of differential equations satisfied by the associated turbulent defect measure and showing that it only has a trivial solution.
Trvalý link: http://hdl.handle.net/11104/0310768
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Počet záznamů: 1