Haut PDF Simulations of control for Navier-Stokes equations
Simulations of control for Navier-Stokes equations
... areas of science, we aim to drive a system (biological, chemical, physical, ...problem of controlling the wake of an incompressible fluid past an obstacle (in 2D), by blowing–suction localised on the ...
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Efficient solving strategies for incompressible Navier-Stokes equations for large scale simulations using the open source software Feel++
... V. Chabannes*, C. Prud’homme**, M. Szopos** and R. TARABAY** * Laboratoire Jean Kuntzmann, Université Joseph Fourier, France ** Institut de Recherche Mathématique Avancée, Université de Strasbourg, France Keywords: ...
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On stochastic modified 3D Navier-Stokes equations with anisotropic viscosity
... We use instead the control method introduced in [20] for the 2D Navier-Stokes equation; see also [26], [15], [13] and [24], where this method has been used for the stochastic 2D NavierSt[r] ...
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Stabilization and Best Actuator Location for the Navier--Stokes Equations
... decomposition of L 2 vector fields, is not consistent with the mixed boundary conditions considered in those papers (compare with ...reduction of the shedding of vortices behind a circular cylinder ...
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Inlet and Outlet Open Boundary Conditions for Incompressible Navier-Stokes Equations
... robustness of the OBCs, even if the grid size is not fine enough to produce relevant ...chosen of order 10 3 for 3D ...direction of the ...example of an expected f low driven by the ...
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Stabilization and Best Actuator Location for the Navier--Stokes Equations
... plan of the current paper is as ...approximation of system (1.5). The projected dynamical system of small dimension, needed to determine feedback control laws, is derived in section ...
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Splitting up method for the 2D stochastic Navier-Stokes equations
... well-posedeness of the solution in various functional ...multiple of the Stokes operator is kept with the stochastic integral or ...the control of the norms of the approximating ...
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Local exact controllability for the 1-d compressible Navier-Stokes equations
... be of particular ...the control problem by introducing an additional source term taking into account the initial data so that the problem reduces to go from 0 to ...introduction of the variables ...
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A forward-backward probabilistic algorithm for the incompressible Navier-Stokes equations
... means of the Feynman-Kac ...expectation of a diffusion process, and a stochastic algorithm to compute estimations is deduced from its probabilistic ...system of FBSDEs due to ...incompressible ...
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Remarks on the Cauchy problem for the axisymmetric Navier-Stokes equations
... existence of a unique global solution, which converges to zero in L 1 norm as t → ...proof of local well-posedness follows exactly the same lines as in the two-dimensional case, and our approach emphasizes ...
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A Galerkin-free model reduction approach for the Navier–Stokes equations
... University of Karlsruhe and ETH-Ecole Polytechnique de ...variety of high-order numerical schemes and turbulence modeling such as LES, URANS, RANS-LES hybrid turbulence modeling, especially DDES (Delayed ...
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Optimal shape control of airfoil in compressible gas flow governed by Navier-Stokes equations
... technique for shape sensitivity analysis of work functional Beside the existence of an optimal obstacle for the work, lift and drag shape optimization problems [6], it is important for ...
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Phase transition in time-reversible Navier-Stokes equations
... numerical simulations; dynamical ensembles equivalence ...behaviors of macroscopic observables arising from time-reversible microscopic dy- namics is the central long-standing theme of non- ...
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Global existence of solutions for the coupled Vlasov and Navier-Stokes equations
... Presentation of the model Let us consider a constant T > 0 and set T 3 = R 3 /Z 3 ...interaction of a (monodispersed) spray of particles with a Newtonian, viscous, and incompressible ...evolution ...
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Shape Holomorphy of the stationary Navier-Stokes Equations *
... families of PDEs has been identified in [8]: the holomorphic dependence of the solution on the PDE parameters with quantitative control on the size of the domain of analytic ...
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Space-time separated representation for solving Navier-Stokes equations
... SPACE-TIME SEPARATED REPRESENTATION FOR SOLVING NAVIER-STOKES EQUATIONS G-T. Xu ?,1 , M. Visonneau 2 , A. Leygue 3 and F. Chinesta 4 1 LHEEA & GeM, Ecole Centrale Nantes 44321 France, ...
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FVCA8 benchmark for the Stokes and Navier-Stokes equations with the TrioCFD code – benchmark session
... summary of Refs. [6, 7, 9]. The FEV method can be viewed as a modification of the Crouzeix-Raviart element ...local equations are integrated over the control volumes. The control ...
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Layer-averaged Euler and Navier-Stokes equations
... surface Navier-Stokes or Euler equations, the simulations of geophysical flows are often carried out with shallow water type models of reduced ...Indeed, for vertically ...
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On convergence criteria for incompressible Navier-Stokes equations with Navier boundary conditions and physical slip rates
... the Navier boundary condition, but, as we have just mentioned, a boundary integral appears and it is not clear that we can control ...convergence of Navier-Stokes solutions to Euler ...
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Proper general decomposition (PGD) for the resolution of Navier–Stokes equations
... parameter of the problem). Thus, if M degrees of freedom are used to discretize each variable, the total number of unknowns involved in the solution is Q N M instead of the M N degrees ...
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