Quinoa all test code coverage report
Current view: top level - PDE/MultiMat - BCFunctions.hpp (source / functions) Hit Total Coverage
Commit: -128-NOTFOUND Lines: 33 167 19.8 %
Date: 2024-11-22 08:51:48 Functions: 2 6 33.3 %
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           Branch data     Line data    Source code
       1                 :            : // *****************************************************************************
       2                 :            : /*!
       3                 :            :   \file      src/PDE/MultiMat/BCFunctions.hpp
       4                 :            :   \copyright 2012-2015 J. Bakosi,
       5                 :            :              2016-2018 Los Alamos National Security, LLC.,
       6                 :            :              2019-2021 Triad National Security, LLC.
       7                 :            :              All rights reserved. See the LICENSE file for details.
       8                 :            :   \brief     Functions specifying boundary conditions.
       9                 :            :   \details   Functions that return boundary state when the interior state at
      10                 :            :              at the boundary location is provided.
      11                 :            : */
      12                 :            : // *****************************************************************************
      13                 :            : #ifndef BCFunctions_h
      14                 :            : #define BCFunctions_h
      15                 :            : 
      16                 :            : #include "FunctionPrototypes.hpp"
      17                 :            : #include "MiscMultiMatFns.hpp"
      18                 :            : 
      19                 :            : namespace inciter {
      20                 :            : 
      21                 :            :   //! \brief Boundary state function providing the left and right state of a
      22                 :            :   //!   face at symmetry boundaries
      23                 :            :   //! \param[in] ncomp Number of scalar components in this PDE system
      24                 :            :   //! \param[in] ul Left (domain-internal) state
      25                 :            :   //! \param[in] fn Unit face normal
      26                 :            :   //! \return Left and right states for all scalar components in this PDE
      27                 :            :   //!   system
      28                 :            :   //! \note The function signature must follow tk::StateFn. For multimat, the
      29                 :            :   //!   left or right state is the vector of conserved quantities, followed by
      30                 :            :   //!   the vector of primitive quantities appended to it.
      31                 :            :   static tk::StateFn::result_type
      32                 :    1818040 :   symmetry( ncomp_t ncomp,
      33                 :            :             const std::vector< EOS >&,
      34                 :            :             const std::vector< tk::real >& ul,
      35                 :            :             tk::real, tk::real, tk::real, tk::real,
      36                 :            :             const std::array< tk::real, 3 >& fn )
      37                 :            :   {
      38                 :    1818040 :     auto nmat = g_inputdeck.get< tag::multimat, tag::nmat >();
      39                 :    1818040 :     const auto& solidx = g_inputdeck.get< tag::matidxmap, tag::solidx >();
      40                 :            : 
      41         [ +  - ]:    1818040 :     [[maybe_unused]] auto nsld = numSolids(nmat, solidx);
      42                 :            : 
      43 [ -  + ][ -  - ]:    1818040 :     Assert( ul.size() == ncomp+nmat+3+nsld*6, "Incorrect size for appended "
         [ -  - ][ -  - ]
      44                 :            :             "internal state vector" );
      45                 :            : 
      46                 :    1818040 :     tk::real rho(0.0);
      47         [ +  + ]:    6077520 :     for (std::size_t k=0; k<nmat; ++k)
      48                 :    4259480 :       rho += ul[densityIdx(nmat, k)];
      49                 :            : 
      50         [ +  - ]:    3636080 :     auto ur = ul;
      51                 :            : 
      52                 :            :     // Internal cell velocity components
      53                 :    1818040 :     auto v1l = ul[ncomp+velocityIdx(nmat, 0)];
      54                 :    1818040 :     auto v2l = ul[ncomp+velocityIdx(nmat, 1)];
      55                 :    1818040 :     auto v3l = ul[ncomp+velocityIdx(nmat, 2)];
      56                 :            :     // Normal component of velocity
      57                 :    1818040 :     auto vnl = v1l*fn[0] + v2l*fn[1] + v3l*fn[2];
      58                 :            :     // Ghost state velocity components
      59                 :    1818040 :     auto v1r = v1l - 2.0*vnl*fn[0];
      60                 :    1818040 :     auto v2r = v2l - 2.0*vnl*fn[1];
      61                 :    1818040 :     auto v3r = v3l - 2.0*vnl*fn[2];
      62                 :            :     // Boundary condition
      63         [ +  + ]:    6077520 :     for (std::size_t k=0; k<nmat; ++k)
      64                 :            :     {
      65                 :    4259480 :       ur[volfracIdx(nmat, k)] = ul[volfracIdx(nmat, k)];
      66                 :    4259480 :       ur[densityIdx(nmat, k)] = ul[densityIdx(nmat, k)];
      67                 :    4259480 :       ur[energyIdx(nmat, k)] = ul[energyIdx(nmat, k)];
      68         [ -  + ]:    4259480 :       if (solidx[k] > 0) {
      69                 :            :         // Internal inverse deformation tensor
      70                 :            :         std::array< std::array< tk::real, 3 >, 3 > g;
      71         [ -  - ]:          0 :         for (std::size_t i=0; i<3; ++i)
      72         [ -  - ]:          0 :           for (std::size_t j=0; j<3; ++j)
      73                 :          0 :             g[i][j] = ul[deformIdx(nmat,solidx[k],i,j)];
      74                 :            :         // Internal Cauchy stress tensor
      75                 :            :         std::array< std::array< tk::real, 3 >, 3 > s;
      76         [ -  - ]:          0 :         for (std::size_t i=0; i<3; ++i)
      77         [ -  - ]:          0 :           for (std::size_t j=0; j<3; ++j)
      78                 :          0 :             s[i][j] = ul[ncomp+stressIdx(nmat,solidx[k],stressCmp[i][j])];
      79                 :            :         // Make reflection matrix
      80                 :            :         std::array< std::array< tk::real, 3 >, 3 >
      81                 :          0 :         reflectionMat{{{1,0,0}, {0,1,0}, {0,0,1}}};
      82         [ -  - ]:          0 :         for (std::size_t i=0; i<3; ++i)
      83         [ -  - ]:          0 :           for (std::size_t j=0; j<3; ++j)
      84                 :          0 :             reflectionMat[i][j] -= 2*fn[i]*fn[j];
      85                 :            :         // Reflect g
      86         [ -  - ]:          0 :         g = tk::reflectTensor(g, reflectionMat);
      87                 :            :         // Reflect s
      88         [ -  - ]:          0 :         s = tk::reflectTensor(s, reflectionMat);
      89                 :            :         // Copy g and s into ur
      90         [ -  - ]:          0 :         for (std::size_t i=0; i<3; ++i)
      91         [ -  - ]:          0 :           for (std::size_t j=0; j<3; ++j) {
      92                 :          0 :             ur[deformIdx(nmat,solidx[k],i,j)] = g[i][j];
      93                 :          0 :             ur[ncomp+stressIdx(nmat,solidx[k],stressCmp[i][j])] = s[i][j];
      94                 :            :           }
      95                 :            :       }
      96                 :            :     }
      97                 :    1818040 :     ur[momentumIdx(nmat, 0)] = rho * v1r;
      98                 :    1818040 :     ur[momentumIdx(nmat, 1)] = rho * v2r;
      99                 :    1818040 :     ur[momentumIdx(nmat, 2)] = rho * v3r;
     100                 :            : 
     101                 :            :     // Internal cell primitive quantities using the separately reconstructed
     102                 :            :     // primitive quantities. This is used to get ghost state for primitive
     103                 :            :     // quantities
     104                 :            : 
     105                 :            :     // velocity
     106                 :    1818040 :     ur[ncomp+velocityIdx(nmat, 0)] = v1r;
     107                 :    1818040 :     ur[ncomp+velocityIdx(nmat, 1)] = v2r;
     108                 :    1818040 :     ur[ncomp+velocityIdx(nmat, 2)] = v3r;
     109                 :            :     // material pressures
     110         [ +  + ]:    6077520 :     for (std::size_t k=0; k<nmat; ++k)
     111                 :    4259480 :       ur[ncomp+pressureIdx(nmat, k)] = ul[ncomp+pressureIdx(nmat, k)];
     112                 :            : 
     113 [ -  + ][ -  - ]:    1818040 :     Assert( ur.size() == ncomp+nmat+3+nsld*6, "Incorrect size for appended "
         [ -  - ][ -  - ]
     114                 :            :             "boundary state vector" );
     115                 :            : 
     116         [ +  - ]:    3636080 :     return {{ std::move(ul), std::move(ur) }};
     117                 :            :   }
     118                 :            : 
     119                 :            :   //! \brief Boundary state function providing the left and right state of a
     120                 :            :   //!   face at farfield boundaries
     121                 :            :   //! \param[in] ncomp Number of scalar components in this PDE system
     122                 :            :   //! \param[in] ul Left (domain-internal) state
     123                 :            :   //! \param[in] fn Unit face normal
     124                 :            :   //! \return Left and right states for all scalar components in this PDE
     125                 :            :   //!   system
     126                 :            :   //! \details The farfield boudary calculation, implemented here, is
     127                 :            :   //!   based on the characteristic theory of hyperbolic systems.
     128                 :            :   //! \note The function signature must follow tk::StateFn
     129                 :            :   static tk::StateFn::result_type
     130                 :          0 :   farfield( ncomp_t ncomp,
     131                 :            :             const std::vector< EOS >& mat_blk,
     132                 :            :             const std::vector< tk::real >& ul,
     133                 :            :             tk::real, tk::real, tk::real, tk::real,
     134                 :            :             const std::array< tk::real, 3 >& fn )
     135                 :            :   {
     136                 :          0 :     auto nmat = g_inputdeck.get< tag::multimat, tag::nmat >();
     137                 :          0 :     const auto& solidx = g_inputdeck.get< tag::matidxmap, tag::solidx >();
     138                 :            : 
     139                 :            :     // Farfield primitive quantities
     140                 :            :     auto fp =
     141                 :          0 :       g_inputdeck.get< tag::bc >()[0].get< tag::pressure >();
     142                 :            :     auto ft =
     143                 :          0 :       g_inputdeck.get< tag::bc >()[0].get< tag::temperature >();
     144                 :            :     auto fu =
     145         [ -  - ]:          0 :       g_inputdeck.get< tag::bc >()[0].get< tag::velocity >();
     146                 :            :     auto fmat =
     147                 :          0 :       g_inputdeck.get< tag::bc >()[0].get< tag::materialid >() - 1;
     148                 :            : 
     149         [ -  - ]:          0 :     [[maybe_unused]] auto nsld = numSolids(nmat, solidx);
     150                 :            : 
     151 [ -  - ][ -  - ]:          0 :     Assert( ul.size() == ncomp+nmat+3+nsld*6, "Incorrect size for appended "
         [ -  - ][ -  - ]
     152                 :            :             "internal state vector" );
     153                 :            : 
     154         [ -  - ]:          0 :     auto ur = ul;
     155                 :            : 
     156                 :            :     // Internal cell velocity components
     157                 :          0 :     auto v1l = ul[ncomp+velocityIdx(nmat, 0)];
     158                 :          0 :     auto v2l = ul[ncomp+velocityIdx(nmat, 1)];
     159                 :          0 :     auto v3l = ul[ncomp+velocityIdx(nmat, 2)];
     160                 :            : 
     161                 :            :     // Normal velocity
     162                 :          0 :     auto vn = v1l*fn[0] + v2l*fn[1] + v3l*fn[2];
     163                 :            : 
     164                 :            :     // Acoustic speed
     165                 :          0 :     tk::real a(0.0);
     166         [ -  - ]:          0 :     for (std::size_t k=0; k<nmat; ++k)
     167         [ -  - ]:          0 :       if (ul[volfracIdx(nmat, k)] > 1.0e-04)
     168         [ -  - ]:          0 :         a = std::max( a, mat_blk[k].compute< EOS::soundspeed >(
     169                 :          0 :           ul[densityIdx(nmat, k)], ul[ncomp+pressureIdx(nmat, k)],
     170                 :          0 :           ul[volfracIdx(nmat, k)], k ) );
     171                 :            : 
     172                 :            :     // Mach number
     173                 :          0 :     auto Ma = vn / a;
     174                 :            : 
     175                 :          0 :     tk::real alphamin = 1e-12;
     176                 :            : 
     177         [ -  - ]:          0 :     if (Ma <= -1) {  // Supersonic inflow
     178                 :            :       // For supersonic inflow, all the characteristics are from outside.
     179                 :            :       // Therefore, we calculate the ghost cell state using the primitive
     180                 :            :       // variables from outside.
     181                 :          0 :       tk::real rho(0.0);
     182         [ -  - ]:          0 :       for (std::size_t k=0; k<nmat; ++k) {
     183         [ -  - ]:          0 :         if (k == fmat)
     184                 :          0 :           ur[volfracIdx(nmat,k)] = 1.0 -
     185                 :          0 :             (static_cast< tk::real >(nmat-1))*alphamin;
     186                 :            :         else
     187                 :          0 :           ur[volfracIdx(nmat,k)] = alphamin;
     188         [ -  - ]:          0 :         auto rhok = mat_blk[k].compute< EOS::density >(fp, ft);
     189                 :          0 :         ur[densityIdx(nmat,k)] = ur[volfracIdx(nmat,k)] * rhok;
     190                 :          0 :         ur[energyIdx(nmat,k)] = ur[volfracIdx(nmat,k)] *
     191         [ -  - ]:          0 :           mat_blk[k].compute< EOS::totalenergy >(rhok, fu[0], fu[1], fu[2], fp);
     192                 :            : 
     193                 :            :         // material pressures
     194                 :          0 :         ur[ncomp+pressureIdx(nmat, k)] = ul[volfracIdx(nmat, k)] * fp;
     195                 :            : 
     196                 :          0 :         rho += ur[densityIdx(nmat,k)];
     197                 :            :       }
     198         [ -  - ]:          0 :       for (std::size_t i=0; i<3; ++i) {
     199                 :          0 :         ur[momentumIdx(nmat,i)] = rho * fu[i];
     200                 :          0 :         ur[ncomp+velocityIdx(nmat, i)] = fu[i];
     201                 :            :       }
     202                 :            : 
     203 [ -  - ][ -  - ]:          0 :     } else if (Ma > -1 && Ma < 0) {  // Subsonic inflow
     204                 :            :       // For subsonic inflow, there is 1 outgoing characteristic and 4
     205                 :            :       // incoming characteristics. Therefore, we calculate the ghost cell state
     206                 :            :       // by taking pressure from the internal cell and other quantities from
     207                 :            :       // the outside.
     208                 :          0 :       tk::real rho(0.0);
     209         [ -  - ]:          0 :       for (std::size_t k=0; k<nmat; ++k) {
     210         [ -  - ]:          0 :         if (k == fmat)
     211                 :          0 :           ur[volfracIdx(nmat,k)] = 1.0 -
     212                 :          0 :             (static_cast< tk::real >(nmat-1))*alphamin;
     213                 :            :         else
     214                 :          0 :           ur[volfracIdx(nmat,k)] = alphamin;
     215                 :          0 :         auto p = ul[ncomp+pressureIdx(nmat,k)] / ul[volfracIdx(nmat,k)];
     216         [ -  - ]:          0 :         auto rhok = mat_blk[k].compute< EOS::density >(p, ft);
     217                 :          0 :         ur[densityIdx(nmat,k)] = ur[volfracIdx(nmat,k)] * rhok;
     218                 :          0 :         ur[energyIdx(nmat,k)] = ur[volfracIdx(nmat,k)] *
     219         [ -  - ]:          0 :           mat_blk[k].compute< EOS::totalenergy >(rhok, fu[0], fu[1], fu[2], p);
     220                 :            : 
     221                 :            :         // material pressures
     222                 :          0 :         ur[ncomp+pressureIdx(nmat, k)] = ul[volfracIdx(nmat, k)] * p;
     223                 :            : 
     224                 :          0 :         rho += ur[densityIdx(nmat,k)];
     225                 :            :       }
     226         [ -  - ]:          0 :       for (std::size_t i=0; i<3; ++i) {
     227                 :          0 :         ur[momentumIdx(nmat,i)] = rho * fu[i];
     228                 :          0 :         ur[ncomp+velocityIdx(nmat, i)] = fu[i];
     229                 :          0 :       }
     230                 :            : 
     231 [ -  - ][ -  - ]:          0 :     } else if (Ma >= 0 && Ma < 1) {  // Subsonic outflow
     232                 :            :       // For subsonic outflow, there is 1 incoming characteristic and 4
     233                 :            :       // outgoing characteristics. Therefore, we calculate the ghost cell state
     234                 :            :       // by taking pressure from the outside and other quantities from the
     235                 :            :       // internal cell.
     236         [ -  - ]:          0 :       for (std::size_t k=0; k<nmat; ++k) {
     237                 :          0 :         ur[energyIdx(nmat, k)] = ul[volfracIdx(nmat, k)] *
     238                 :          0 :         mat_blk[k].compute< EOS::totalenergy >(
     239         [ -  - ]:          0 :           ur[densityIdx(nmat, k)]/ul[volfracIdx(nmat, k)], v1l, v2l, v3l, fp );
     240                 :            : 
     241                 :            :         // material pressures
     242                 :          0 :         ur[ncomp+pressureIdx(nmat, k)] = ul[volfracIdx(nmat, k)] * fp;
     243                 :            :       }
     244                 :            :     }
     245                 :            :     // Otherwise, for supersonic outflow, all the characteristics are from
     246                 :            :     // internal cell. Therefore, we calculate the ghost cell state using the
     247                 :            :     // conservative variables from internal cell (which is what ur is
     248                 :            :     // initialized to).
     249                 :            : 
     250 [ -  - ][ -  - ]:          0 :     Assert( ur.size() == ncomp+nmat+3+nsld*6, "Incorrect size for appended "
         [ -  - ][ -  - ]
     251                 :            :             "boundary state vector" );
     252                 :            : 
     253         [ -  - ]:          0 :     return {{ std::move(ul), std::move(ur) }};
     254                 :            :   }
     255                 :            : 
     256                 :            :   //! \brief Boundary state function providing the left and right state of a
     257                 :            :   //!   face at extrapolation boundaries
     258                 :            :   //! \param[in] ul Left (domain-internal) state
     259                 :            :   //! \return Left and right states for all scalar components in this PDE
     260                 :            :   //!   system
     261                 :            :   //! \note The function signature must follow tk::StateFn. For multimat, the
     262                 :            :   //!   left or right state is the vector of conserved quantities, followed by
     263                 :            :   //!   the vector of primitive quantities appended to it.
     264                 :            :   static tk::StateFn::result_type
     265                 :     106676 :   extrapolate( ncomp_t,
     266                 :            :                const std::vector< EOS >&,
     267                 :            :                const std::vector< tk::real >& ul,
     268                 :            :                tk::real, tk::real, tk::real, tk::real,
     269                 :            :                const std::array< tk::real, 3 >& )
     270                 :            :   {
     271                 :     106676 :     return {{ ul, ul }};
     272                 :            :   }
     273                 :            : 
     274                 :            :   //! \brief Boundary state function providing the left and right state of a
     275                 :            :   //!   face at no-slip wall boundaries
     276                 :            :   //! \param[in] ncomp Number of scalar components in this PDE system
     277                 :            :   //! \param[in] ul Left (domain-internal) state
     278                 :            :   //! \param[in] fn Unit face normal
     279                 :            :   //! \return Left and right states for all scalar components in this PDE
     280                 :            :   //!   system
     281                 :            :   //! \note The function signature must follow tk::StateFn. For multimat, the
     282                 :            :   //!   left or right state is the vector of conserved quantities, followed by
     283                 :            :   //!   the vector of primitive quantities appended to it.
     284                 :            :   static tk::StateFn::result_type
     285                 :          0 :   noslipwall( ncomp_t ncomp,
     286                 :            :               const std::vector< EOS >&,
     287                 :            :               const std::vector< tk::real >& ul,
     288                 :            :               tk::real, tk::real, tk::real, tk::real,
     289                 :            :               const std::array< tk::real, 3 >& fn )
     290                 :            :   {
     291                 :          0 :     auto nmat = g_inputdeck.get< tag::multimat, tag::nmat >();
     292                 :          0 :     const auto& solidx = g_inputdeck.get< tag::matidxmap, tag::solidx >();
     293                 :            : 
     294         [ -  - ]:          0 :     [[maybe_unused]] auto nsld = numSolids(nmat, solidx);
     295                 :            : 
     296 [ -  - ][ -  - ]:          0 :     Assert( ul.size() == ncomp+nmat+3+nsld*6, "Incorrect size for appended "
         [ -  - ][ -  - ]
     297                 :            :             "internal state vector" );
     298                 :            : 
     299                 :          0 :     tk::real rho(0.0);
     300         [ -  - ]:          0 :     for (std::size_t k=0; k<nmat; ++k)
     301                 :          0 :       rho += ul[densityIdx(nmat, k)];
     302                 :            : 
     303         [ -  - ]:          0 :     auto ur = ul;
     304                 :            : 
     305                 :            :     // Internal cell velocity components
     306                 :          0 :     auto v1l = ul[ncomp+velocityIdx(nmat, 0)];
     307                 :          0 :     auto v2l = ul[ncomp+velocityIdx(nmat, 1)];
     308                 :          0 :     auto v3l = ul[ncomp+velocityIdx(nmat, 2)];
     309                 :            :     // Ghost state velocity components
     310                 :          0 :     auto v1r = -v1l;
     311                 :          0 :     auto v2r = -v2l;
     312                 :          0 :     auto v3r = -v3l;
     313                 :            :     // Boundary condition
     314         [ -  - ]:          0 :     for (std::size_t k=0; k<nmat; ++k)
     315                 :            :     {
     316                 :          0 :       ur[volfracIdx(nmat, k)] = ul[volfracIdx(nmat, k)];
     317                 :          0 :       ur[densityIdx(nmat, k)] = ul[densityIdx(nmat, k)];
     318                 :          0 :       ur[energyIdx(nmat, k)] = ul[energyIdx(nmat, k)];
     319         [ -  - ]:          0 :       if (solidx[k] > 0) {
     320                 :            :         // Internal inverse deformation tensor
     321                 :            :         std::array< std::array< tk::real, 3 >, 3 > g;
     322         [ -  - ]:          0 :         for (std::size_t i=0; i<3; ++i)
     323         [ -  - ]:          0 :           for (std::size_t j=0; j<3; ++j)
     324                 :          0 :             g[i][j] = ul[deformIdx(nmat,solidx[k],i,j)];
     325                 :            :         // Internal Cauchy stress tensor
     326                 :            :         std::array< std::array< tk::real, 3 >, 3 > s;
     327         [ -  - ]:          0 :         for (std::size_t i=0; i<3; ++i)
     328         [ -  - ]:          0 :           for (std::size_t j=0; j<3; ++j)
     329                 :          0 :             s[i][j] = ul[ncomp+stressIdx(nmat,solidx[k],stressCmp[i][j])];
     330                 :            :         // Make reflection matrix
     331                 :            :         std::array< std::array< tk::real, 3 >, 3 >
     332                 :          0 :         reflectionMat{{{1,0,0}, {0,1,0}, {0,0,1}}};
     333         [ -  - ]:          0 :         for (std::size_t i=0; i<3; ++i)
     334         [ -  - ]:          0 :           for (std::size_t j=0; j<3; ++j)
     335                 :          0 :             reflectionMat[i][j] -= 2*fn[i]*fn[j];
     336                 :            :         // Reflect g
     337         [ -  - ]:          0 :         g = tk::reflectTensor(g, reflectionMat);
     338                 :            :         // Reflect s
     339         [ -  - ]:          0 :         s = tk::reflectTensor(s, reflectionMat);
     340                 :            :         // Copy g and s into ur
     341         [ -  - ]:          0 :         for (std::size_t i=0; i<3; ++i)
     342         [ -  - ]:          0 :           for (std::size_t j=0; j<3; ++j) {
     343                 :          0 :             ur[deformIdx(nmat,solidx[k],i,j)] = g[i][j];
     344                 :          0 :             ur[ncomp+stressIdx(nmat,solidx[k],stressCmp[i][j])] = s[i][j];
     345                 :            :           }
     346                 :            :       }
     347                 :            :     }
     348                 :          0 :     ur[momentumIdx(nmat, 0)] = rho * v1r;
     349                 :          0 :     ur[momentumIdx(nmat, 1)] = rho * v2r;
     350                 :          0 :     ur[momentumIdx(nmat, 2)] = rho * v3r;
     351                 :            : 
     352                 :            :     // Internal cell primitive quantities using the separately reconstructed
     353                 :            :     // primitive quantities. This is used to get ghost state for primitive
     354                 :            :     // quantities
     355                 :            : 
     356                 :            :     // velocity
     357                 :          0 :     ur[ncomp+velocityIdx(nmat, 0)] = v1r;
     358                 :          0 :     ur[ncomp+velocityIdx(nmat, 1)] = v2r;
     359                 :          0 :     ur[ncomp+velocityIdx(nmat, 2)] = v3r;
     360                 :            :     // material pressures
     361         [ -  - ]:          0 :     for (std::size_t k=0; k<nmat; ++k)
     362                 :          0 :       ur[ncomp+pressureIdx(nmat, k)] = ul[ncomp+pressureIdx(nmat, k)];
     363                 :            : 
     364 [ -  - ][ -  - ]:          0 :     Assert( ur.size() == ncomp+nmat+3+nsld*6, "Incorrect size for appended "
         [ -  - ][ -  - ]
     365                 :            :             "boundary state vector" );
     366                 :            : 
     367         [ -  - ]:          0 :     return {{ std::move(ul), std::move(ur) }};
     368                 :            :   }
     369                 :            : 
     370                 :            :   //----------------------------------------------------------------------------
     371                 :            :   // Boundary Gradient functions
     372                 :            :   //----------------------------------------------------------------------------
     373                 :            : 
     374                 :            :   //! \brief Boundary gradient function copying the left gradient to the right
     375                 :            :   //!   gradient at a face
     376                 :            :   //! \param[in] dul Left (domain-internal) state
     377                 :            :   //! \return Left and right states for all scalar components in this PDE
     378                 :            :   //!   system
     379                 :            :   //! \note The function signature must follow tk::StateFn. For multimat, the
     380                 :            :   //!   left or right state is the vector of gradients of primitive quantities.
     381                 :            :   static tk::StateFn::result_type
     382                 :          0 :   noOpGrad( ncomp_t,
     383                 :            :             const std::vector< EOS >&,
     384                 :            :             const std::vector< tk::real >& dul,
     385                 :            :             tk::real, tk::real, tk::real, tk::real,
     386                 :            :             const std::array< tk::real, 3 >& )
     387                 :            :   {
     388                 :          0 :     return {{ dul, dul }};
     389                 :            :   }
     390                 :            : 
     391                 :            :   //! \brief Boundary gradient function for the symmetry boundary condition
     392                 :            :   //! \param[in] ncomp Number of variables whos gradients are needed
     393                 :            :   //! \param[in] dul Left (domain-internal) gradients
     394                 :            :   //! \return Left and right states for all scalar components in this PDE
     395                 :            :   //!   system
     396                 :            :   //! \note The function signature must follow tk::StateFn. For multimat, the
     397                 :            :   //!   left or right state is the vector of gradients of primitive quantities.
     398                 :            :   static tk::StateFn::result_type
     399                 :          0 :   symmetryGrad( ncomp_t ncomp,
     400                 :            :                 const std::vector< EOS >&,
     401                 :            :                 const std::vector< tk::real >& dul,
     402                 :            :                 tk::real, tk::real, tk::real, tk::real,
     403                 :            :                 const std::array< tk::real, 3 >& )
     404                 :            :   {
     405 [ -  - ][ -  - ]:          0 :     Assert(dul.size() == 3*ncomp, "Incorrect size of boundary gradient vector");
         [ -  - ][ -  - ]
     406                 :            : 
     407         [ -  - ]:          0 :     auto dur = dul;
     408                 :            : 
     409         [ -  - ]:          0 :     for (std::size_t i=0; i<3*ncomp; ++i)
     410                 :          0 :       dur[i] = -dul[i];
     411                 :            : 
     412         [ -  - ]:          0 :     return {{ std::move(dul), std::move(dur) }};
     413                 :            :   }
     414                 :            : 
     415                 :            : } // inciter::
     416                 :            : 
     417                 :            : #endif // BCFunctions_h

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