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Volumn 26, Issue 10, 1998, Pages 1217-1237

Domain decomposition for the incompressible Navier-Stokes equations: solving subdomain problems accurately and inaccurately

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; COMPUTATIONAL FLUID DYNAMICS; FINITE VOLUME METHOD; PARALLEL PROCESSING SYSTEMS; PROBLEM SOLVING;

EID: 0032527016     PISSN: 02712091     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1097-0363(19980615)26:10<1217::AID-FLD693>3.0.CO;2-M     Document Type: Article
Times cited : (17)

References (57)
  • 1
    • 0343404656 scopus 로고
    • The ISNaS incompressible Navier-Stokes solver: Invariant discretization
    • A.E. Mynett, P. Wesseling, A. Segal and C.G.M. Kassels, 'The ISNaS incompressible Navier-Stokes solver: invariant discretization', Appl. Sci. Res., 48, 175-191 (1991).
    • (1991) Appl. Sci. Res. , vol.48 , pp. 175-191
    • Mynett, A.E.1    Wesseling, P.2    Segal, A.3    Kassels, C.G.M.4
  • 2
    • 0026809708 scopus 로고
    • A multigrid method for an invariant formulation of the incompressible Navier-Stokes equations in general co-ordinates
    • C.W. Oosterlee and P. Wesseling, 'A multigrid method for an invariant formulation of the incompressible Navier-Stokes equations in general co-ordinates', Comm. Appl. Numer. Methods, 8, 721-725 (1992).
    • (1992) Comm. Appl. Numer. Methods , vol.8 , pp. 721-725
    • Oosterlee, C.W.1    Wesseling, P.2
  • 3
    • 0342622989 scopus 로고
    • Invariant discretization of the incompressible Navier-Stokes equations in general co-ordinates on staggered grids
    • P. Wesseling, A. Segal, J. van Kan, C.W. Oosterlee and C.G.M. Kassels, 'Invariant discretization of the incompressible Navier-Stokes equations in general co-ordinates on staggered grids', Comput. Fluids Dyn. J., 1, 27-33 (1992).
    • (1992) Comput. Fluids Dyn. J. , vol.1 , pp. 27-33
    • Wesseling, P.1    Segal, A.2    Van Kan, J.3    Oosterlee, C.W.4    Kassels, C.G.M.5
  • 5
    • 0029168853 scopus 로고
    • Finite volume computation of incompressible turbulent flows in general co-ordinates on staggered grids
    • M. Zijlema, A. Segal and P. Wesseling, 'Finite volume computation of incompressible turbulent flows in general co-ordinates on staggered grids', Int. j. numer methods fluids, 20, 621-640 (1995).
    • (1995) Int. J. Numer Methods Fluids , vol.20 , pp. 621-640
    • Zijlema, M.1    Segal, A.2    Wesseling, P.3
  • 6
    • 0029257050 scopus 로고
    • Invariant discretization of the k-ε model in general co-ordinates for prediction of turbulent flows in complicated geometries
    • M. Zijlema, A. Segal and P. Wesseling, 'Invariant discretization of the k-ε model in general co-ordinates for prediction of turbulent flows in complicated geometries', Comput. Fluids, 24, 209-225 (1995).
    • (1995) Comput. Fluids , vol.24 , pp. 209-225
    • Zijlema, M.1    Segal, A.2    Wesseling, P.3
  • 7
    • 0027643082 scopus 로고
    • Benchmark solutions for the incompressible Navier-Stokes equations in general co-ordinates on staggered grids
    • C.W. Oosterlee, P. Wesseling, A. Segal and E. Brakkee, 'Benchmark solutions for the incompressible Navier-Stokes equations in general co-ordinates on staggered grids', Int. j. numer. methods fluids, 17, 301-321 (1993).
    • (1993) Int. J. Numer. Methods Fluids , vol.17 , pp. 301-321
    • Oosterlee, C.W.1    Wesseling, P.2    Segal, A.3    Brakkee, E.4
  • 8
    • 0000162763 scopus 로고
    • Springer, Berlin
    • H.A. Schwarz, Gesammelte Mathematische Abhandlungen, vol. 2, Springer, Berlin, 1890, pp. 133-143; first published in Viertelsjahrschrift der Natur forschenden Gesellschaft in Zürich, vol. 15, 1870, pp. 272-286.
    • (1890) Gesammelte Mathematische Abhandlungen , vol.2 , pp. 133-143
    • Schwarz, H.A.1
  • 10
    • 0000048673 scopus 로고
    • GMRES: A generalized minimal residual algorithm for solving non-symmetric linear systems
    • Y. Saad and M.H. Schultz, 'GMRES: a generalized minimal residual algorithm for solving non-symmetric linear systems', SIAM J. Sci. Stat. Comput., 7, 856-869 (1986).
    • (1986) SIAM J. Sci. Stat. Comput. , vol.7 , pp. 856-869
    • Saad, Y.1    Schultz, M.H.2
  • 11
    • 0031084522 scopus 로고    scopus 로고
    • The influence of interface conditions on convergence of Krylov-Schwarz domain decomposition for the advection-diffusion equation
    • to appear
    • E. Brakkee and P. Wilders, 'The influence of interface conditions on convergence of Krylov-Schwarz domain decomposition for the advection-diffusion equation', J. Sci. Comput. (1997), to appear.
    • (1997) J. Sci. Comput.
    • Brakkee, E.1    Wilders, P.2
  • 12
    • 0009460611 scopus 로고    scopus 로고
    • Ph.D. Dissertation, Faculty of Applied Mathematics and Informatics, Delft University of Technology, Delft, Netherlands
    • E. Brakkee, 'Domain decomposition for the incompressible Navier-Stokes equations', Ph.D. Dissertation, Faculty of Applied Mathematics and Informatics, Delft University of Technology, Delft, Netherlands, 1996.
    • (1996) Domain Decomposition for the Incompressible Navier-Stokes Equations
    • Brakkee, E.1
  • 13
    • 84893396892 scopus 로고
    • Rep. 94-84, Faculty of Technical Mathematics and Informatics, Delft University of Technology, Delft, Available from anonymous submitted to Int. j. numer. methods fluids
    • E. Brakkee and P. Wesseling, 'Schwarz domain decomposition for the incompressible Navier-Stokes equations in general co-ordinates', Rep. 94-84, Faculty of Technical Mathematics and Informatics, Delft University of Technology, Delft, 1994. Available from anonymous ftp://ftp.twi.tudelft.nl/TWI/publications/tech-reports/1994/ DUT-TWI-94-84.ps.gz, submitted to Int. j. numer. methods fluids.
    • (1994) Schwarz Domain Decomposition for the Incompressible Navier-Stokes Equations in General Co-ordinates
    • Brakkee, E.1    Wesseling, P.2
  • 14
    • 0000011239 scopus 로고
    • Variational iterative methods for non-symmetric systems of linear equations
    • S.C. Eisenstat, H.C. Elman and M.H. Schultz, 'Variational iterative methods for non-symmetric systems of linear equations', SIAM J. Numer. Anal., 20, 345-357 (1983).
    • (1983) SIAM J. Numer. Anal. , vol.20 , pp. 345-357
    • Eisenstat, S.C.1    Elman, H.C.2    Schultz, M.H.3
  • 16
    • 33749190078 scopus 로고
    • Numerical calculation of time-dependent viscous incompressible flow of fluid with a free surface
    • F.H. Harlow and J.E. Welch, 'Numerical calculation of time-dependent viscous incompressible flow of fluid with a free surface', Phys. Fluids, 8, 2182-2189 (1965).
    • (1965) Phys. Fluids , vol.8 , pp. 2182-2189
    • Harlow, F.H.1    Welch, J.E.2
  • 17
    • 84968510911 scopus 로고
    • Numerical solution of the Navier-Stokes equations
    • A.J. Chorin, 'Numerical solution of the Navier-Stokes equations', Math. Comput., 22, 745-762 (1968).
    • (1968) Math. Comput. , vol.22 , pp. 745-762
    • Chorin, A.J.1
  • 18
    • 0000674333 scopus 로고
    • A second-order accurate pressure correction method for viscous incompressible flow
    • J.J.I.M. van Kan, 'A second-order accurate pressure correction method for viscous incompressible flow', SIAM J. Sci. Stat. Comput., 7, 870-891 (1986).
    • (1986) SIAM J. Sci. Stat. Comput. , vol.7 , pp. 870-891
    • Van Kan, J.J.I.M.1
  • 19
    • 0026995615 scopus 로고
    • Some Schwarz methods for symmetric and non-symmetric elliptic problems
    • D.E. Keyes, T.F. Chan, G. Meurant, J.S. Scroggs and R.G. Voigt (eds), SIAM, Philadelphia, PA
    • O.B. Widlund, 'Some Schwarz methods for symmetric and non-symmetric elliptic problems', in D.E. Keyes, T.F. Chan, G. Meurant, J.S. Scroggs and R.G. Voigt (eds), Proc. 5th Int. Symp. on Domain Decomposition Methods for Partial Differential Equations, SIAM, Philadelphia, PA, 1992, pp. 19-36.
    • (1992) Proc. 5th Int. Symp. on Domain Decomposition Methods for Partial Differential Equations , pp. 19-36
    • Widlund, O.B.1
  • 20
    • 84985341546 scopus 로고
    • A comparison of some domain decomposition and ILU preconditioned iterative methods for non-symmetric elliptic problems
    • Xiao-Chuan Cai, W.D. Gropp and D.E. Keyes, 'A comparison of some domain decomposition and ILU preconditioned iterative methods for non-symmetric elliptic problems', Numer. Linear Algebra Appl., 1, 477-504 (1994).
    • (1994) Numer. Linear Algebra Appl. , vol.1 , pp. 477-504
    • Cai, X.-C.1    Gropp, W.D.2    Keyes, D.E.3
  • 22
    • 0042998893 scopus 로고
    • A domain decomposition method for incompressible flow
    • J.C. Strikwerda and C.D. Scarbnick, 'A domain decomposition method for incompressible flow', SIAM J. Sci. Comput., 14, 49-67 (1993).
    • (1993) SIAM J. Sci. Comput. , vol.14 , pp. 49-67
    • Strikwerda, J.C.1    Scarbnick, C.D.2
  • 23
    • 0041647286 scopus 로고
    • A pressure-based composite grid method for the Navier-Stokes equations
    • J.A. Wright and W. Shyy, 'A pressure-based composite grid method for the Navier-Stokes equations', J. Comput. Phys., 107, 225-238 (1993).
    • (1993) J. Comput. Phys. , vol.107 , pp. 225-238
    • Wright, J.A.1    Shyy, W.2
  • 24
    • 0142078028 scopus 로고
    • Experiences with domain decomposition in three dimensions: Overlapping Schwarz methods
    • A. Quarteroni, J. Périaux, Yu.A. Kuznetsov and O.B. Widlund (eds), AMS, Providence, RI
    • W.D. Gropp and B.F. Smith, 'Experiences with domain decomposition in three dimensions: overlapping Schwarz methods', in A. Quarteroni, J. Périaux, Yu.A. Kuznetsov and O.B. Widlund (eds), Proc. 6th Int. Symp. on Domain Decomposition Methods in Science and Engineering, AMS, Providence, RI, 1992, pp. 323-333.
    • (1992) Proc. 6th Int. Symp. on Domain Decomposition Methods in Science and Engineering , pp. 323-333
    • Gropp, W.D.1    Smith, B.F.2
  • 25
    • 0012775712 scopus 로고
    • Some recent results on Schwarz-type domain decomposition algorithms
    • A. Quarteroni, J. Périaux, Yu.A. Kuznetsov and O.B. Widlund (eds), AMS, Providence, RI
    • M. Dryja and O.B. Widlund, 'Some recent results on Schwarz-type domain decomposition algorithms', in A. Quarteroni, J. Périaux, Yu.A. Kuznetsov and O.B. Widlund (eds), Proc. 6th Int. Symp. on Domain Decomposition Methods in Science and Engineering, AMS, Providence, RI, 1992, pp. 53-61.
    • (1992) Proc. 6th Int. Symp. on Domain Decomposition Methods in Science and Engineering , pp. 53-61
    • Dryja, M.1    Widlund, O.B.2
  • 26
    • 0008783714 scopus 로고
    • Iterative solution of elliptic equations with refinement: The two-level case
    • T.F. Chan, R. Glowinski, J. Périaux and O.B. Widlund (eds), SIAM, Philadelphia, PA
    • J. Mandel and S. McCormick, 'Iterative solution of elliptic equations with refinement: the two-level case', in T.F. Chan, R. Glowinski, J. Périaux and O.B. Widlund (eds), Proc. 2nd Int. Symp. on Domain Decomposition Methods, SIAM, Philadelphia, PA, 1989, pp. 81-92.
    • (1989) Proc. 2nd Int. Symp. on Domain Decomposition Methods , pp. 81-92
    • Mandel, J.1    McCormick, S.2
  • 27
    • 84966199070 scopus 로고
    • The construction of preconditioners for elliptic problems by substructuring I
    • J.H. Bramble, J.E. Pasciak and A.H. Schatz, 'The construction of preconditioners for elliptic problems by substructuring I', Math. Comput., 47, 103-134 (1986).
    • (1986) Math. Comput. , vol.47 , pp. 103-134
    • Bramble, J.H.1    Pasciak, J.E.2    Schatz, A.H.3
  • 28
    • 3543038399 scopus 로고
    • Domain decomposition algorithms of Schwarz type, designed for massively parallel computers
    • Department of Informatics, University of Bergen, Bergen
    • P. Bjorstad and M.D. Skogen, 'Domain decomposition algorithms of Schwarz type, designed for massively parallel computers', Report in Informatics 54, Department of Informatics, University of Bergen, Bergen, 1991.
    • (1991) Report in Informatics 54
    • Bjorstad, P.1    Skogen, M.D.2
  • 29
    • 0022092680 scopus 로고
    • A numerical study of various algorithms related to the preconditioned conjugate gradient method
    • C.P. Jackson and P.C. Robinson, 'A numerical study of various algorithms related to the preconditioned conjugate gradient method', Int. j. numer. methods eng., 21, 1315-1338 (1985).
    • (1985) Int. J. Numer. Methods Eng. , vol.21 , pp. 1315-1338
    • Jackson, C.P.1    Robinson, P.C.2
  • 30
    • 0002043434 scopus 로고
    • On the Schwarz alternating method, I
    • R. Glowinski, G.H. Golub, G.A. Meurant and J. Périaux (eds), SIAM, Philadelphia, PA
    • P.L. Lions, 'On the Schwarz alternating method, I', in R. Glowinski, G.H. Golub, G.A. Meurant and J. Périaux (eds), 1st Int. Symp. on Domain Decomposition Methods for Partial Differential Equations, SIAM, Philadelphia, PA, 1988, pp. 1-42.
    • (1988) 1st Int. Symp. on Domain Decomposition Methods for Partial Differential Equations , pp. 1-42
    • Lions, P.L.1
  • 31
    • 0027558806 scopus 로고
    • Solution of the discretized incompressible Navier-Stokes equations with the GMRES method
    • C. Vuik, 'Solution of the discretized incompressible Navier-Stokes equations with the GMRES method', Int. j. numer. methods fluids, 16, 507-523 (1993).
    • (1993) Int. J. Numer. Methods Fluids , vol.16 , pp. 507-523
    • Vuik, C.1
  • 32
    • 0000590719 scopus 로고
    • Generalized Schwarz splittings
    • Wei Pai Tang, 'Generalized Schwarz splittings', SIAM J. Sci. Stat. Comput., 13, 573-595 (1992).
    • (1992) SIAM J. Sci. Stat. Comput. , vol.13 , pp. 573-595
    • Tang, W.P.1
  • 33
    • 0023427316 scopus 로고
    • On conservation at grid interfaces
    • M.J. Berger, 'On conservation at grid interfaces', SIAM J. Numer. Anal., 24, 967-984 (1987).
    • (1987) SIAM J. Numer. Anal. , vol.24 , pp. 967-984
    • Berger, M.J.1
  • 35
    • 0022918065 scopus 로고
    • Iterative methods for the solution of elliptic problems on regions partitioned into substructures
    • P.E. Bjørstad and O.B. Widlund, 'Iterative methods for the solution of elliptic problems on regions partitioned into substructures', SIAM J. Numer. Anal., 23, 1097-1120 (1986).
    • (1986) SIAM J. Numer. Anal. , vol.23 , pp. 1097-1120
    • Bjørstad, P.E.1    Widlund, O.B.2
  • 41
    • 0026964009 scopus 로고
    • Domain decomposition algorithms of Schwarz type, designed for massively parallel computers
    • D.E. Keyes, T.F. Chan, G. Meurant, J.S. Scroggs and R.G. Voigt (eds), SIAM, Philadelphia, PA
    • P. Bjørstad and M.D. Skogen, 'Domain decomposition algorithms of Schwarz type, designed for massively parallel computers', in D.E. Keyes, T.F. Chan, G. Meurant, J.S. Scroggs and R.G. Voigt (eds), Proc. 5th Int. Symp. on Domain Decomposition Methods for Partial Differential Equations, SIAM, Philadelphia, PA, 1992, pp. 362-375.
    • (1992) Proc. 5th Int. Symp. on Domain Decomposition Methods for Partial Differential Equations , pp. 362-375
    • Bjørstad, P.1    Skogen, M.D.2
  • 42
    • 0029425967 scopus 로고
    • New insights in GMRES-like methods with variable preconditioners
    • C. Vuik, 'New insights in GMRES-like methods with variable preconditioners', J. Comput. Appl. Math., 61, 189-204 (1995).
    • (1995) J. Comput. Appl. Math. , vol.61 , pp. 189-204
    • Vuik, C.1
  • 43
    • 0000954680 scopus 로고
    • A flexible inner-outer preconditioned GMRES algorithm
    • Y. Saad, 'A flexible inner-outer preconditioned GMRES algorithm', SIAM J. Sci. Stat. Comput., 14, 461-469 (1993).
    • (1993) SIAM J. Sci. Stat. Comput. , vol.14 , pp. 461-469
    • Saad, Y.1
  • 44
    • 0009396288 scopus 로고
    • The Neumann-Dirichlet domain decomposition method with inexact solvers on the subdomains
    • C. Börgers, 'The Neumann-Dirichlet domain decomposition method with inexact solvers on the subdomains' Numer. Math., 55, 123-136 (1989).
    • (1989) Numer. Math. , vol.55 , pp. 123-136
    • Börgers, C.1
  • 45
    • 0003039594 scopus 로고
    • A class of first order factorization methods
    • I. Gustafsson, 'A class of first order factorization methods', BIT, 18, 142-156 (1978).
    • (1978) BIT , vol.18 , pp. 142-156
    • Gustafsson, I.1
  • 46
    • 0024961178 scopus 로고
    • Parallel conjugate gradient-like algorithms for solving sparse non-symmetric linear systems on a vector multiprocessor
    • R. di Brozolo and Y. Robert, 'Parallel conjugate gradient-like algorithms for solving sparse non-symmetric linear systems on a vector multiprocessor', Parallel Comput., 11, 223-239 (1989).
    • (1989) Parallel Comput. , vol.11 , pp. 223-239
    • Di Brozolo, R.1    Robert, Y.2
  • 47
    • 0027005290 scopus 로고
    • The parallel block preconditioned conjugate gradient algorithms
    • D.E. Keyes, T.F. Chan, G. Meurant, J.S. Scroggs and R.G. Voigt (eds), SIAM, Philadelphia, PA
    • Wang Jin-xiau, 'The parallel block preconditioned conjugate gradient algorithms', in D.E. Keyes, T.F. Chan, G. Meurant, J.S. Scroggs and R.G. Voigt (eds), Proc. 5th Int. Symp. on Domain Decomposition Methods for Partial Differential Equations, SIAM, Philadelphia, PA, 1992, pp. 339-345.
    • (1992) Proc. 5th Int. Symp. on Domain Decomposition Methods for Partial Differential Equations , pp. 339-345
    • Wang, J.-X.1
  • 48
    • 0042192598 scopus 로고
    • Nested Krylov methods and preserving the orthogonality
    • N. Duane Melson, T.A. Manteuffel and S.F. McCormick (eds), NASA Conf. Publ. 3224, part 1, NASA Langley Research Center, Hampton, VA
    • E. de Sturler and D.R. Fokkema, 'Nested Krylov methods and preserving the orthogonality', in N. Duane Melson, T.A. Manteuffel and S.F. McCormick (eds), 6th Copper Mountain Conf. on Multigrid Methods, NASA Conf. Publ. 3224, part 1, NASA Langley Research Center, Hampton, VA, 1993, pp. 111-125.
    • (1993) 6th Copper Mountain Conf. on Multigrid Methods , pp. 111-125
    • De Sturler, E.1    Fokkema, D.R.2
  • 49
    • 3543029414 scopus 로고
    • IBLU preconditioners for massively parallel computers
    • D.E. Keyes and J. Xu (eds), October 27-30, 1993, The Pennsylvania State University, AMS, Providence, RI
    • E. de Sturler, 'IBLU preconditioners for massively parallel computers', in D.E. Keyes and J. Xu (eds), Domain Decomposition Methods in Science and Engineering (Proc. 7th Int. Conf. on Domain Decomposition, October 27-30, 1993, The Pennsylvania State University), AMS, Providence, RI, 1995, pp. 395-400.
    • (1995) Domain Decomposition Methods in Science and Engineering (Proc. 7th Int. Conf. on Domain Decomposition) , pp. 395-400
    • De Sturler, E.1
  • 50
    • 0023965795 scopus 로고
    • Measurements of the mean force on a particle near a boundary in turbulent flow
    • D. Hall, 'Measurements of the mean force on a particle near a boundary in turbulent flow', J. Fluid Mech., 187, 451-466 (1988).
    • (1988) J. Fluid Mech. , vol.187 , pp. 451-466
    • Hall, D.1
  • 52
    • 0029656374 scopus 로고    scopus 로고
    • Fast iterative solvers for the discretized incompressible Navier-Stokes equations
    • C. Vuik, 'Fast iterative solvers for the discretized incompressible Navier-Stokes equations', Int. j. numer. methods fluids, 22, 195-210 (1996).
    • (1996) Int. J. Numer. Methods Fluids , vol.22 , pp. 195-210
    • Vuik, C.1
  • 53
    • 84966225158 scopus 로고
    • An iterative solution method for linear systems of which the coefficient matrix is a symmetric M-matrix
    • J.A. Meijerink and H.A. Van der Vorst, 'An iterative solution method for linear systems of which the coefficient matrix is a symmetric M-matrix', Math. Comput., 31, 148-162 (1977).
    • (1977) Math. Comput. , vol.31 , pp. 148-162
    • Meijerink, J.A.1    Van Der Vorst, H.A.2
  • 54
    • 0001276831 scopus 로고
    • On the eigenvalue distribution of a class of preconditioning methods
    • O. Axelsson and G. Lindskog, 'On the eigenvalue distribution of a class of preconditioning methods', Numer. Math., 48, 479-498 (1986).
    • (1986) Numer. Math. , vol.48 , pp. 479-498
    • Axelsson, O.1    Lindskog, G.2
  • 55
    • 0002003127 scopus 로고
    • Iterative solution methods for certain sparse linear systems with a non-symmetric matrix arising from pde-problems
    • H.A. van der Vorst, 'Iterative solution methods for certain sparse linear systems with a non-symmetric matrix arising from pde-problems', J. Comput. Phys., 44, 1-19 (1981).
    • (1981) J. Comput. Phys. , vol.44 , pp. 1-19
    • Van Der Vorst, H.A.1
  • 56
    • 3543040847 scopus 로고
    • A parallel domain decomposition algorithm for the incompressible Navier-Stokes equations
    • L. Dekker, W. Smit and J.C. Zuidervaart (eds), Elsevier, Amsterdam
    • E. Brakkee and A. Segal, 'A parallel domain decomposition algorithm for the incompressible Navier-Stokes equations', in L. Dekker, W. Smit and J.C. Zuidervaart (eds), Massively Parallel Processing Applications and Development, Elsevier, Amsterdam, 1994, pp. 743-752.
    • (1994) Massively Parallel Processing Applications and Development , pp. 743-752
    • Brakkee, E.1    Segal, A.2
  • 57
    • 0029532194 scopus 로고
    • A parallel domain decomposition algorithm for the incompressible Navier-Stokes equations
    • E. Brakkee, A. Segal and C.G.M. Kassels, 'A parallel domain decomposition algorithm for the incompressible Navier-Stokes equations', Simul. Pract. Theory, 3, 185-205 (1995).
    • (1995) Simul. Pract. Theory , vol.3 , pp. 185-205
    • Brakkee, E.1    Segal, A.2    Kassels, C.G.M.3


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