期刊
MATHEMATICAL MODELS & METHODS IN APPLIED SCIENCES
卷 26, 期 11, 页码 2071-2109出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S021820251640008X
关键词
Chemotaxis; Navier-Stokes; logistic source; boundedness; large-time behaviour
资金
- Deutsche Forschungsgemeinschaft within the project Analysis of Chemotactic Cross-Diffusion in Complex Frameworks
We consider the coupled chemotaxis Navier-Stokes model with logistic source terms: n(t) + u.del n = Delta n - chi del.(n del c) + kappa n - mu n(2), c(t) + u.del c = Delta c - nc, u(t) + (u.del)u = Delta u + del P + n del Phi + f, del.u = 0 in a bounded, smooth domain Omega subset of R-3 under homogeneous Neumann boundary conditions for n and c and homogeneous Dirichlet boundary conditions for u and with given functions f is an element of L-infinity(Omega x (0,infinity)) satisfying certain decay conditions and Phi is an element of C1+beta((Omega) over bar) for some beta is an element of (0, 1). We construct weak solutions and prove that after some waiting time they become smooth and finally converge to the semi-trivial steady state (kappa/mu, 0, 0).
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