FORCE schemes on unstructured meshes II: Nonconservative hyperbolic systems. Dumbser, M., Hidalgo, A., Díaz, Manuel J., C., Parés, C., & Toro, E. Comput. Methods Appl. Mech. Engrg., 199(9-12):625–647, 2010.
FORCE schemes on unstructured meshes II: Nonconservative hyperbolic systems [link]Paper  abstract   bibtex   
In this paper we propose a new high order accurate centered path-conservative method on unstructured triangular and tetrahedral meshes for the solution of multi-dimensional non-conservative hyperbolic systems, as they typically arise in the context of compressible multi-phase flows. Our path-conservative centered scheme is an extension of the centered method recently proposed in [40] for conservation laws, to which it reduces if the system matrix is the Jacobian of a flux function. The main advantage in the proposed centered approach compared to upwind methods is that no information about the eigenstructure of the system or Roe averages are needed. The final fully discrete high order accurate formulation in space and time is obtained using the general framework of PNPM schemes proposed in [16], which unifies in one single general family of schemes classical finite volume and discontinuous Galerkin methods. These PNPM methods can also be called reconstructed discontinuous Galerkin schemes, due to the use of the PNPM least-squares reconstruction operator. We show applications of our high order accurate unstructured centered method to the two- and three-dimensional Baer–Nunziato equations of compressible multiphase flows as introduced in [4].
@Article{Dumbser2010,
  author   = {Dumbser, Michael and Hidalgo, A. and Castro D{\'i}az, Manuel J. and Par{\'e}s, Carlos and Toro, E.-F.},
  journal  = {Comput. Methods Appl. Mech. Engrg.},
  title    = {{FORCE} schemes on unstructured meshes {II}: {N}onconservative hyperbolic systems},
  year     = {2010},
  number   = {9-12},
  pages    = {625–647},
  volume   = {199},
  abstract = {In this paper we propose a new high order accurate centered path-conservative method on unstructured triangular and tetrahedral meshes for the solution of multi-dimensional non-conservative hyperbolic systems, as they typically arise in the context of compressible multi-phase flows. Our path-conservative centered scheme is an extension of the centered method recently proposed in [40] for conservation laws, to which it reduces if the system matrix is the Jacobian of a flux function. The main advantage in the proposed centered approach compared to upwind methods is that no information about the eigenstructure of the system or Roe averages are needed. The final fully discrete high order accurate formulation in space and time is obtained using the general framework of PNPM schemes proposed in [16], which unifies in one single general family of schemes classical finite volume and discontinuous Galerkin methods. These PNPM methods can also be called reconstructed discontinuous Galerkin schemes, due to the use of the PNPM least-squares reconstruction operator. We show applications of our high order accurate unstructured centered method to the two- and three-dimensional Baer–Nunziato equations of compressible multiphase flows as introduced in [4].},
  url      = {http://www.sciencedirect.com/science/article/pii/S0045782509003612},
}
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