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Continuous adjoint approach for the spalart-allmaras model in aerodynamic optimization 

Bueno-Orovio, A.; Castro, C.; Palacios, F.; Zuazua, E. (2012-12-31)
In this paper, the continuous adjoint method to compute shape sensitivities in aerodynamic design with turbulence modeling is described and developed. The focus is on compressible flows described by the Reynolds-averaged ...
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L ∞ variational problems for maps and the Aronsson PDE system 

Katzourakis, N.I. (2012-12-31)
By employing Aronsson's absolute minimizers of L ∞ functionals, we prove that absolutely minimizing maps u:Rn→RN solve a "tangential" Aronsson PDE system. By following Sheffield and Smart (2012) [24], we derive δ ∞ with ...
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Schrödinger operators with boundary singularities: Hardy inequality, Pohozaev identity and controllability results 

Cazacu, C. (2012-12-31)
The aim of this paper is two folded. Firstly, we study the validity of a Pohozaev-type identity for the Schrödinger operator A λ:=-δ-λ/|x| 2, λ∈R, in the situation where the origin is located on the boundary of a smooth ...
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Local Exact Controllability for the One-Dimensional Compressible Navier-Stokes Equation 

Ervedoza, S.; Glass, O.; Guerrero, S.; Puel, J.P. (2012-12-31)
In this paper we deal with the isentropic (compressible) Navier-Stokes equation in one space dimension and we adress the problem of the boundary controllability for this system. We prove that we can drive initial conditions ...
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Approximating travelling waves by equilibria of non-local equations 

Arrieta, J.M.; López-Fernández, M.; Zuazua, E. (2012-12-31)
We consider an evolution equation of parabolic type in R having a travelling wave solution. We study the effects on the dynamics of an appropriate change of variables which transforms the equation into a non-local evolution ...
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Nonlinear weakly curved rod by Γ-Convergence 

Velcic, I. (2012-12-31)
We present a nonlinear model of weakly curved rod, namely the type of curved rod where the curvature is of the order of the diameter of the cross-section. We use an approach analogous to the one for rods and curved rods ...
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Regularity of solutions to a model for solid-solid phase transitions driven by configurational forces 

Zhu, P. (2012-12-31)
In a previous work, we prove the existence of weak solutions to an initial-boundary value problem, with H 1(Ω) initial data, for a system of partial differential equations, which consists of the equations of linear elasticity ...
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Carleman estimate for stochastic parabolic equations and inverse stochastic parabolic problems 

Lü, Q. (2012-12-31)
In this paper, we establish a global Carleman estimate for stochastic parabolic equations. Based on this estimate, we study two inverse problems for stochastic parabolic equations. One is concerned with a determination ...
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A result concerning the global approximate controllability of the Navier-Stokes system in dimension 3 

Guerrero, S.; Imanuvilov, O.Y.; Puel, J.P. (2012-12-31)
In this paper we deal with the three-dimensional Navier-Stokes system, posed in a cube. In this context, we prove a result concerning its global approximate controllability by means of boundary controls which act in some ...
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Null controllability of viscous Hamilton-Jacobi equations 

Porretta, A.; Zuazua, E. (2012-12-31)
We study the problem of null controllability for viscous Hamilton-Jacobi equations in bounded domains of the Euclidean space in any space dimension and with controls localized in an arbitrary open nonempty subset of the ...
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AuthorZuazua, E. (7)Ignat, L.I. (3)Scalas, E. (3)Ersoy, M. (2)Ervedoza, S. (2)Guerrero, S. (2)Li, H. (2)Lü, Q. (2)Palacios, F. (2)Puel, J.P. (2)... másSubjectasymptotic analysis (2)Null controllability (2)A posteriori error estimators (1)Absolute minimizers (1)Acoustic/optic mode (1)Aronsson PDE system (1)Artificial stock market (1)Asymptotic analysis (1)asymptotic stability (1)Backward stochastic heat equation (1)... másFecha
2012 (30)

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