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A boundary control problem for vorticity minimization in time-dependent 2D Navier-Stokes equations

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We deal with a boundary control problem for the vorticity minimization, in which the flow is governed by the time-dependent two dimensional incompressible Navier-Stokes equations. We derive a mathematical formulation and a process for an appropriate control along the portion of the boundary to minimize the vorticity motion due to the flow in the fluid domain. After showing the existence of an optimal solution, we derive the optimality system for which optimal solutions may be determined. The differentiability of the state solution in regard to the control parameter shall be conjunct with the necessary conditions for the optimal solutions.

Abstract

We deal with a boundary control problem for the vorticity minimization, in which the flow is governed by the time-dependent two dimensional incompressible Navier-Stokes equations. We derive a mathematical formulation and a process for an appropriate control along the portion of the boundary to minimize the vorticity motion due to the flow in the fluid domain. After showing the existence of an optimal solution, we derive the optimality system for which optimal solutions may be determined. The differentiability of the state solution in regard to the control parameter shall be conjunct with the necessary conditions for the optimal solutions.

참고문헌 (13)

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  4. R. Dautray, "Analysis and Numerical Methods for Science and Technology" (1993), Springer-Verlag
  5. A. V. Fursikov, "Boundary vlue problems and optimal boundary control for the Navier-Stokes system: The two-dimensional case", SIAM J. Cont. Optim., 36(3), pp.852~894 (1998)
  6. V. Girault, "The Finite Element Method for Navier-Stokes Equations: Theory and Algorithms" (1986), Springer-Verlag
  7. M. Gunzburger, "The velocity tracking problem for Navier-Stokes ows with boundary control", SIAM J. Cont. Optim., 39(2), pp.594~634 (2000)
  8. 김홍철, "On a vorticity minimization problem for the stationary 2D Stokes equations", 대한수학회지, 43(1), pp.45~63 (2006), 대한수학회
  9. 김홍철, "A BOUNDARY CONTROL PROBLEM FOR THE TIME-DEPENDENT 2D NAVIER{STOKES EQUATIONS", 강원경기수학회지, 16(1), pp.57~84 (2008), 강원경기수학회
  10. O. Ladyzhenskaya, "The Mathematical Theory of Viscous Incompressible Flow" (1963), Goldon and Breach
  11. J.-L. Lions, "Quelques methodes de resolution des problemes aux limites non lineaires" (1968), Dunod
  12. R. E. Showalter, "Elec-tronic Monographs in Di erential Equations" (1994), San Marcos
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