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November  2012, 11(6): 2371-2391. doi: 10.3934/cpaa.2012.11.2371

## Compactness of discrete approximate solutions to parabolic PDEs - Application to a turbulence model

 1 Université de Provence, CMI, Marseille, France 2 Institut de Radioprotection et de Sûret, France

Received  October 2010 Revised  November 2010 Published  April 2012

In this paper, we prove an adaptation of the classical compactness Aubin-Simon lemma to sequences of functions obtained through a sequence of discretizations of a parabolic problem. The main difficulty tackled here is to generalize the classical proof to handle the dependency of the norms controlling each function $u^{(n)}$ of the sequence with respect to $n$. This compactness result is then used to prove the convergence of a numerical scheme combining finite volumes and finite elements for the solution of a reduced turbulence problem.
Citation: T. Gallouët, J.-C. Latché. Compactness of discrete approximate solutions to parabolic PDEs - Application to a turbulence model. Communications on Pure & Applied Analysis, 2012, 11 (6) : 2371-2391. doi: 10.3934/cpaa.2012.11.2371
##### References:
 [1] P. Bénilan, L. Boccardo, T. Gallouët, R. Gariepy, M. Pierre and J.-L. Vazquez, An $L^1$-theory of existence and uniqueness of solutions of nonlinear elliptic equations,, Annali della Scuola Normale Superiora di Pisa, 22 (1955), 240.   Google Scholar [2] L. Boccardo and T. Gallouët, Non-linear elliptic and parabolic equations involving measure data,, Journal of Functional Analysis, 87 (1989), 149.  doi: 10.1016/0022-1236(89)90005-0.  Google Scholar [3] P. G. Ciarlet, "Handbook of Numerical Analysis Volume II: Finite Elements Methods, Basic Error Estimates for Elliptic Problems,", Handbook of Numerical Analysis, (1991), 17.   Google Scholar [4] G. Cimatti, Existence of weak solutions for the nonstationary problem of the Joule heating of a conductor,, Annali di Matematica Pura ed Applicata, 162 (1992), 33.  doi: 10.1007/BF01759998.  Google Scholar [5] S. Clain, "Analyse mathématique et numérique d'un modèle de chauffage par induction,", EPFL, (1994).   Google Scholar [6] M. Crouzeix and P.-A. Raviart, Conforming and nonconforming finite element methods for solving the stationary Stokes equations I,, Revue Fran\ccaise d'Automatique, R-3 (1973), 33.   Google Scholar [7] R. Eymard, T . Gallouët and R. Herbin, Finite volume methods,, in, (2000), 713.   Google Scholar [8] R. Eymard, T. Gallouët and R. Herbin, Discretisation of heterogeneous and anisotropic diffusion problems on general nonconforming meshes - SUSHI: a scheme using stabilization and hybrid interfaces,, IMA Journal of Numerical Analysis, 30 (2009), 1009.  doi: 10.1093/imanum/drn084.  Google Scholar [9] T. Gallouët, R. Herbin and J.-C. Latché, A convergent finite element-finite volume scheme for the compressible Stokes problem. Part I: the isothermal case,, Mathematics of Computation, 267 (2009), 1333.  doi: 10.1090/S0025-5718-09-02216-9.  Google Scholar [10] T. Gallouët, A. Larcher and J.-C. Latché, Convergence of a finite volume scheme for the convection-diffusion equation with $L^1$ data,, Mathematics of Computation, ().   Google Scholar [11] A. Larcher and J.-C. Latché, Convergence analysis of a finite element - finite volume scheme for a RANS turbulence model,, submitted., ().   Google Scholar [12] R. Lewandowski, The mathematical analysis of the coupling of a turbulent kinetic energy equation to the Navier-Stokes equation with an eddy viscosity,, Nonlinear Analysis, 28 (1997), 393.  doi: 10.1016/0362-546X(95)00149-P.  Google Scholar [13] J. L. Lions, "Quelques méthodes de résolution des problèmes aux limites non linéaires,", Dunod, (1969).   Google Scholar [14] R. Rannacher and S. Turek, Simple nonconforming quadrilateral Stokes element,, Numerical Methods for Partial Differential Equations, 8 (1992), 97.  doi: 10.1002/num.1690080202.  Google Scholar [15] J. Simon, Compact sets in the space $L^p(0,T;B)$,, Annali di Matematica Pura ed Applicata, 146 (1987), 65.  doi: 10.1007/BF01762360.  Google Scholar [16] R. Temam, "Navier-Stokes Equations,", Studies in mathematics and its applications, (1977).   Google Scholar

show all references

##### References:
 [1] P. Bénilan, L. Boccardo, T. Gallouët, R. Gariepy, M. Pierre and J.-L. Vazquez, An $L^1$-theory of existence and uniqueness of solutions of nonlinear elliptic equations,, Annali della Scuola Normale Superiora di Pisa, 22 (1955), 240.   Google Scholar [2] L. Boccardo and T. Gallouët, Non-linear elliptic and parabolic equations involving measure data,, Journal of Functional Analysis, 87 (1989), 149.  doi: 10.1016/0022-1236(89)90005-0.  Google Scholar [3] P. G. Ciarlet, "Handbook of Numerical Analysis Volume II: Finite Elements Methods, Basic Error Estimates for Elliptic Problems,", Handbook of Numerical Analysis, (1991), 17.   Google Scholar [4] G. Cimatti, Existence of weak solutions for the nonstationary problem of the Joule heating of a conductor,, Annali di Matematica Pura ed Applicata, 162 (1992), 33.  doi: 10.1007/BF01759998.  Google Scholar [5] S. Clain, "Analyse mathématique et numérique d'un modèle de chauffage par induction,", EPFL, (1994).   Google Scholar [6] M. Crouzeix and P.-A. Raviart, Conforming and nonconforming finite element methods for solving the stationary Stokes equations I,, Revue Fran\ccaise d'Automatique, R-3 (1973), 33.   Google Scholar [7] R. Eymard, T . Gallouët and R. Herbin, Finite volume methods,, in, (2000), 713.   Google Scholar [8] R. Eymard, T. Gallouët and R. Herbin, Discretisation of heterogeneous and anisotropic diffusion problems on general nonconforming meshes - SUSHI: a scheme using stabilization and hybrid interfaces,, IMA Journal of Numerical Analysis, 30 (2009), 1009.  doi: 10.1093/imanum/drn084.  Google Scholar [9] T. Gallouët, R. Herbin and J.-C. Latché, A convergent finite element-finite volume scheme for the compressible Stokes problem. Part I: the isothermal case,, Mathematics of Computation, 267 (2009), 1333.  doi: 10.1090/S0025-5718-09-02216-9.  Google Scholar [10] T. Gallouët, A. Larcher and J.-C. Latché, Convergence of a finite volume scheme for the convection-diffusion equation with $L^1$ data,, Mathematics of Computation, ().   Google Scholar [11] A. Larcher and J.-C. Latché, Convergence analysis of a finite element - finite volume scheme for a RANS turbulence model,, submitted., ().   Google Scholar [12] R. Lewandowski, The mathematical analysis of the coupling of a turbulent kinetic energy equation to the Navier-Stokes equation with an eddy viscosity,, Nonlinear Analysis, 28 (1997), 393.  doi: 10.1016/0362-546X(95)00149-P.  Google Scholar [13] J. L. Lions, "Quelques méthodes de résolution des problèmes aux limites non linéaires,", Dunod, (1969).   Google Scholar [14] R. Rannacher and S. Turek, Simple nonconforming quadrilateral Stokes element,, Numerical Methods for Partial Differential Equations, 8 (1992), 97.  doi: 10.1002/num.1690080202.  Google Scholar [15] J. Simon, Compact sets in the space $L^p(0,T;B)$,, Annali di Matematica Pura ed Applicata, 146 (1987), 65.  doi: 10.1007/BF01762360.  Google Scholar [16] R. Temam, "Navier-Stokes Equations,", Studies in mathematics and its applications, (1977).   Google Scholar
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