{ "id": "2103.05388", "version": "v1", "published": "2021-03-09T12:14:31.000Z", "updated": "2021-03-09T12:14:31.000Z", "title": "Global weak solution of 3D-NSE with exponential damping", "authors": [ "Jamel Benameur" ], "comment": "24 pages", "categories": [ "math.AP" ], "abstract": "In this paper we prove the global existence of incompressible Navier-Stokes equations with damping $\\alpha (e^{\\beta |u|^2}-1)u$, where we use Friedrich method and some new tools. The delicate problem in the construction of a global solution, is the passage to the limit in exponential nonlinear term. To solve this problem, we use a polynomial approximation of the damping part and a new type of interpolation between $L^\\infty(\\mathbb{R}^+,L^2(\\mathbb{R}^3))$ and the space of functions $f$ such that $(e^{\\beta|f|^2}-1)|f|^2\\in L^1(\\mathbb{R}^3)$. Fourier analysis and standard techniques are used.", "revisions": [ { "version": "v1", "updated": "2021-03-09T12:14:31.000Z" } ], "analyses": { "subjects": [ "35Q30", "76N10", "G.1.8" ], "keywords": [ "global weak solution", "exponential damping", "exponential nonlinear term", "global existence", "fourier analysis" ], "note": { "typesetting": "TeX", "pages": 24, "language": "en", "license": "arXiv", "status": "editable" } } }