ORIGINAL ARTICLE
The weak Stokes problem associated with a flow through a profile cascade in -framework
Tomáš Neustupa,
Corresponding Author
Tomáš Neustupa
Czech Technical University, Faculty of Mechanical Engineering, Praha 2, Czech Republic
Correspondence
Czech Technical University, Faculty of Mechanical Engineering, Karlovo nám. 13, 121 35 Praha 2, Czech Republic.
Email: [email protected]
Search for more papers by this authorTomáš Neustupa,
Corresponding Author
Tomáš Neustupa
Czech Technical University, Faculty of Mechanical Engineering, Praha 2, Czech Republic
Correspondence
Czech Technical University, Faculty of Mechanical Engineering, Karlovo nám. 13, 121 35 Praha 2, Czech Republic.
Email: [email protected]
Search for more papers by this authorAbstract
We study the weak steady Stokes problem, associated with a flow of a Newtonian incompressible fluid through a spatially periodic profile cascade, in the -setup. The mathematical model used here is based on the reduction to one spatial period, represented by a bounded 2D domain Ω. The corresponding Stokes problem is formulated using three types of boundary conditions: the conditions of periodicity on the “lower” and “upper” parts of the boundary, the Dirichlet boundary conditions on the “inflow” and on the profile and an artificial “do nothing”-type boundary condition on the “outflow.” Under appropriate assumptions on the given data, we prove the existence and uniqueness of a weak solution in and its continuous dependence on the data. We explain the sense in which the “do nothing” boundary condition on the “outflow” is satisfied.
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