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Well-posedness of a fully-coupled Navier-Stokes/Q-tensor system with inhomogeneous boundary data by Abels, Helmut; Dolzmann, Georg; Liu, YuNing is a scholarly article available to read on EtoBox.

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We prove short-time well-posedness and existence of global weak solutions of the Beris--Edwards model for nematic liquid crystals in the case of a bounded domain with inhomogeneous mixed Dirichlet and Neumann boundary conditions. The system consists of the Navier-Stokes equations coupled with an evolution equation for the $Q$-tensor. The solutions possess higher regularity in time of order one compared to the class of weak solutions with finite energy. This regularity is enough to obtain Lipschitz continuity of the non-linear terms in the corresponding function spaces. Therefore the well-posedness is shown with the aid of the contraction mapping principle using that the linearized system is an isomorphism between the associated function spaces.

Author

Abels, Helmut; Dolzmann, Georg; Liu, YuNing

Published

2013

Language

EN