From: Martin Kronbichler Date: Thu, 7 Sep 2023 18:59:51 +0000 (+0200) Subject: Another test case, currently not converging X-Git-Tag: relicensing~514^2 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F15965%2Fhead;p=dealii.git Another test case, currently not converging --- diff --git a/tests/matrix_free/interpolate_rt_ball.cc b/tests/matrix_free/interpolate_rt_ball.cc new file mode 100644 index 0000000000..7207f6be64 --- /dev/null +++ b/tests/matrix_free/interpolate_rt_ball.cc @@ -0,0 +1,418 @@ +// --------------------------------------------------------------------- +// +// Copyright (C) 2023 by the deal.II authors +// +// This file is part of the deal.II library. +// +// The deal.II library is free software; you can use it, redistribute +// it, and/or modify it under the terms of the GNU Lesser General +// Public License as published by the Free Software Foundation; either +// version 2.1 of the License, or (at your option) any later version. +// The full text of the license can be found in the file LICENSE.md at +// the top level directory of deal.II. +// +// --------------------------------------------------------------------- + + + +// this function tests the correctness of the implementation of matrix-free +// operations in getting the function values, the function gradients, and the +// function Laplacians on a hyperball mesh with various orientations for a +// quadratic function. The test case is without any constraints + +#include +#include +#include + +#include +#include + +#include +#include + +#include +#include + +#include +#include + +#include +#include + +#include + +#include +#include + +#include "../tests.h" + + +template +class CompareFunction : public Function +{ +public: + CompareFunction() + : Function(dim) + {} + + virtual double + value(const Point &p, const unsigned int component) const + { + double value = (1.2 - 0.5 * component) * p[0] * p[0] + 0.4 + component; + for (unsigned int d = 1; d < dim; ++d) + value -= (2.7 - 0.6 * component) * d * p[d] * p[d]; + return value; + } + + virtual Tensor<1, dim> + gradient(const Point &p, const unsigned int component) const + { + Tensor<1, dim> grad; + grad[0] = (1.2 - 0.5 * component) * p[0] * 2; + for (unsigned int d = 1; d < dim; ++d) + grad[d] = -(2.7 - 0.6 * component) * d * p[d] * 2; + return grad; + } +}; + + + +template +class MatrixFreeTest +{ +public: + MatrixFreeTest(const MatrixFree &data_in) + : data(data_in){}; + + MatrixFreeTest(const MatrixFree &data_in, + const Mapping &mapping) + : data(data_in){}; + + virtual ~MatrixFreeTest() + {} + + // make function virtual to allow derived classes to define a different + // function + virtual void + cell(const MatrixFree &data, + Vector &, + const Vector &src, + const std::pair &cell_range) const + { + FEEvaluation fe_eval(data); + + CompareFunction function; + + for (unsigned int cell = cell_range.first; cell < cell_range.second; ++cell) + { + fe_eval.reinit(cell); + fe_eval.read_dof_values(src); + fe_eval.evaluate(EvaluationFlags::values | EvaluationFlags::gradients); + + for (unsigned int j = 0; j < data.n_active_entries_per_cell_batch(cell); + ++j) + for (unsigned int q = 0; q < fe_eval.n_q_points; ++q) + { + Point p; + for (unsigned int d = 0; d < dim; ++d) + p[d] = fe_eval.quadrature_point(q)[d][j]; + for (unsigned int d = 0; d < dim; ++d) + { + cell_errors[0][d] += std::abs(fe_eval.get_value(q)[d][j] - + function.value(p, d)) * + fe_eval.JxW(q)[j]; + for (unsigned int e = 0; e < dim; ++e) + cell_errors[1][d] += + std::abs(fe_eval.get_gradient(q)[d][e][j] - + function.gradient(p, d)[e]) * + fe_eval.JxW(q)[j]; + } + double divergence = 0; + for (unsigned int d = 0; d < dim; ++d) + divergence += function.gradient(p, d)[d]; + cell_errors[2][0] += + std::abs(fe_eval.get_divergence(q)[j] - divergence) * + fe_eval.JxW(q)[j]; + } + } + } + + virtual void + face(const MatrixFree &data, + Vector &, + const Vector &src, + const std::pair &face_range) const + { + FEFaceEvaluation fe_evalm(data, + true); + FEFaceEvaluation fe_evalp( + data, false); + + CompareFunction function; + + for (unsigned int face = face_range.first; face < face_range.second; ++face) + { + fe_evalm.reinit(face); + fe_evalm.read_dof_values(src); + fe_evalm.evaluate(EvaluationFlags::values | EvaluationFlags::gradients | + EvaluationFlags::hessians); + fe_evalp.reinit(face); + fe_evalp.read_dof_values(src); + fe_evalp.evaluate(EvaluationFlags::values | EvaluationFlags::gradients | + EvaluationFlags::hessians); + + for (unsigned int j = 0; j < VectorizedArray::size(); ++j) + { + // skip empty components in VectorizedArray + if (data.get_face_info(face).cells_interior[j] == + numbers::invalid_unsigned_int) + break; + for (unsigned int q = 0; q < fe_evalm.n_q_points; ++q) + { + Point p; + + // interior face + for (unsigned int d = 0; d < dim; ++d) + p[d] = fe_evalm.quadrature_point(q)[d][j]; + for (unsigned int d = 0; d < dim; ++d) + { + facem_errors[0][d] += std::abs(fe_evalm.get_value(q)[d][j] - + function.value(p, d)) * + fe_evalm.JxW(q)[j]; + for (unsigned int e = 0; e < dim; ++e) + { + facem_errors[1][d] += + std::abs(fe_evalm.get_gradient(q)[d][e][j] - + function.gradient(p, d)[e]) * + fe_evalm.JxW(q)[j]; + } + } + double divergence = 0; + for (unsigned int d = 0; d < dim; ++d) + divergence += function.gradient(p, d)[d]; + facem_errors[2][0] += + std::abs(fe_evalm.get_divergence(q)[j] - divergence) * + fe_evalm.JxW(q)[j]; + + // exterior face + for (unsigned int d = 0; d < dim; ++d) + { + facep_errors[0][d] += std::abs(fe_evalp.get_value(q)[d][j] - + function.value(p, d)) * + fe_evalm.JxW(q)[j]; + for (unsigned int e = 0; e < dim; ++e) + facep_errors[1][d] += + std::abs(fe_evalp.get_gradient(q)[d][e][j] - + function.gradient(p, d)[e]) * + fe_evalm.JxW(q)[j]; + } + facep_errors[2][0] += + std::abs(fe_evalp.get_divergence(q)[j] - divergence) * + fe_evalm.JxW(q)[j]; + } + } + } + } + + virtual void + boundary(const MatrixFree &data, + Vector &, + const Vector &src, + const std::pair &face_range) const + { + FEFaceEvaluation fe_evalm(data, + true); + + CompareFunction function; + + for (unsigned int face = face_range.first; face < face_range.second; ++face) + { + fe_evalm.reinit(face); + fe_evalm.read_dof_values(src); + fe_evalm.evaluate(EvaluationFlags::values | EvaluationFlags::gradients | + EvaluationFlags::hessians); + + for (unsigned int j = 0; j < VectorizedArray::size(); ++j) + { + // skip empty components in VectorizedArray + if (data.get_face_info(face).cells_interior[j] == + numbers::invalid_unsigned_int) + break; + for (unsigned int q = 0; q < fe_evalm.n_q_points; ++q) + { + Point p; + for (unsigned int d = 0; d < dim; ++d) + p[d] = fe_evalm.quadrature_point(q)[d][j]; + for (unsigned int d = 0; d < dim; ++d) + { + boundary_errors[0][d] += + std::abs(fe_evalm.get_value(q)[d][j] - + function.value(p, d)) * + fe_evalm.JxW(q)[j]; + for (unsigned int e = 0; e < dim; ++e) + boundary_errors[1][d] += + std::abs(fe_evalm.get_gradient(q)[d][e][j] - + function.gradient(p, d)[e]) * + fe_evalm.JxW(q)[j]; + } + double divergence = 0; + for (unsigned int d = 0; d < dim; ++d) + divergence += function.gradient(p, d)[d]; + boundary_errors[2][0] += + std::abs(fe_evalm.get_divergence(q)[j] - divergence) * + fe_evalm.JxW(q)[j]; + } + } + } + } + + + + static void + print_error(const std::string &text, + const dealii::ndarray &array) + { + deallog << "Error " << std::left << std::setw(6) << text << " values: "; + for (unsigned int d = 0; d < dim; ++d) + deallog << array[0][d] << " "; + deallog << std::endl; + deallog << "Error " << std::left << std::setw(6) << text << " gradients: "; + for (unsigned int d = 0; d < dim; ++d) + deallog << array[1][d] << " "; + deallog << std::endl; + deallog << "Error " << std::left << std::setw(6) << text << " divergence: "; + deallog << array[2][0] << " "; + deallog << std::endl; + } + + void + test_functions(const Vector &src) const + { + for (unsigned int d = 0; d < dim; ++d) + for (unsigned int i = 0; i < 3; ++i) + { + cell_errors[i][d] = 0; + facem_errors[i][d] = 0; + facep_errors[i][d] = 0; + boundary_errors[i][d] = 0; + } + + Vector dst_dummy; + data.loop(&MatrixFreeTest::cell, + &MatrixFreeTest::face, + &MatrixFreeTest::boundary, + this, + dst_dummy, + src); + + print_error("cell", cell_errors); + print_error("face-", facem_errors); + print_error("face+", facep_errors); + print_error("face b", boundary_errors); + deallog << std::endl; + }; + +protected: + const MatrixFree &data; + mutable dealii::ndarray cell_errors, facem_errors, + facep_errors, boundary_errors; +}; + + + +template +void +do_test(const DoFHandler &dof, + const AffineConstraints &constraints) +{ + deallog << "Testing " << dof.get_fe().get_name() << std::endl; + // use this for info on problem + // std::cout << "Number of cells: " << + // dof.get_triangulation().n_active_cells() + // << std::endl; + // std::cout << "Number of degrees of freedom: " << dof.n_dofs() << std::endl; + // std::cout << "Number of constraints: " << constraints.n_constraints() << + // std::endl; + + MappingQ mapping(dof.get_fe().degree); + Vector interpolated(dof.n_dofs()); + VectorTools::interpolate(mapping, dof, CompareFunction(), interpolated); + + constraints.distribute(interpolated); + MatrixFree mf_data; + { + const QGauss<1> quad(dof.get_fe().degree + 1); + typename MatrixFree::AdditionalData data; + data.tasks_parallel_scheme = MatrixFree::AdditionalData::none; + data.mapping_update_flags = update_gradients | update_quadrature_points; + data.mapping_update_flags_boundary_faces = + update_gradients | update_quadrature_points; + data.mapping_update_flags_inner_faces = + update_gradients | update_quadrature_points; + mf_data.reinit(mapping, dof, constraints, quad, data); + } + + MatrixFreeTest mf(mf_data); + mf.test_functions(interpolated); +} + + + +template +void +test() +{ + Triangulation tria; + GridGenerator::hyper_ball(tria, Point(), 1.); + tria.refine_global(1); + + { + FE_RaviartThomasNodal fe(fe_degree - 1); + DoFHandler dof(tria); + dof.distribute_dofs(fe); + + AffineConstraints constraints; + constraints.close(); + deallog.push("L1"); + if (fe_degree > 2) + do_test(dof, constraints); + else + do_test(dof, constraints); + deallog.pop(); + + tria.refine_global(1); + dof.distribute_dofs(fe); + deallog.push("L2"); + if (fe_degree > 2) + do_test(dof, constraints); + else + do_test(dof, constraints); + deallog.pop(); + } +} + + + +int +main() +{ + initlog(); + + deallog << std::setprecision(5); + { + deallog.push("2d"); + test<2, 1>(); + test<2, 2>(); + test<2, 3>(); + test<2, 4>(); + deallog.pop(); + deallog.push("3d"); + test<3, 1>(); + test<3, 2>(); + test<3, 3>(); + deallog.pop(); + } +} diff --git a/tests/matrix_free/interpolate_rt_ball.output b/tests/matrix_free/interpolate_rt_ball.output new file mode 100644 index 0000000000..7541aa2573 --- /dev/null +++ b/tests/matrix_free/interpolate_rt_ball.output @@ -0,0 +1,197 @@ + +DEAL:2d:L1::Testing FE_RaviartThomasNodal<2>(0) +DEAL:2d:L1::Error cell values: 0.76600 0.72535 +DEAL:2d:L1::Error cell gradients: 8.4251 6.3721 +DEAL:2d:L1::Error cell divergence: 4.0337 +DEAL:2d:L1::Error face- values: 4.2318 3.8392 +DEAL:2d:L1::Error face- gradients: 39.111 37.373 +DEAL:2d:L1::Error face- divergence: 26.921 +DEAL:2d:L1::Error face+ values: 3.9437 3.6201 +DEAL:2d:L1::Error face+ gradients: 40.083 33.783 +DEAL:2d:L1::Error face+ divergence: 20.281 +DEAL:2d:L1::Error face b values: 3.2781 2.1558 +DEAL:2d:L1::Error face b gradients: 24.408 13.913 +DEAL:2d:L1::Error face b divergence: 7.4894 +DEAL:2d:L1:: +DEAL:2d:L2::Testing FE_RaviartThomasNodal<2>(0) +DEAL:2d:L2::Error cell values: 0.48352 0.39872 +DEAL:2d:L2::Error cell gradients: 9.2757 6.6556 +DEAL:2d:L2::Error cell divergence: 4.3348 +DEAL:2d:L2::Error face- values: 5.6172 4.5792 +DEAL:2d:L2::Error face- gradients: 90.179 77.171 +DEAL:2d:L2::Error face- divergence: 59.588 +DEAL:2d:L2::Error face+ values: 5.3538 4.5029 +DEAL:2d:L2::Error face+ gradients: 86.410 65.332 +DEAL:2d:L2::Error face+ divergence: 45.670 +DEAL:2d:L2::Error face b values: 1.8273 1.0202 +DEAL:2d:L2::Error face b gradients: 23.810 14.039 +DEAL:2d:L2::Error face b divergence: 5.7176 +DEAL:2d:L2:: +DEAL:2d:L1::Testing FE_RaviartThomasNodal<2>(1) +DEAL:2d:L1::Error cell values: 0.35581 0.39956 +DEAL:2d:L1::Error cell gradients: 5.1255 5.8943 +DEAL:2d:L1::Error cell divergence: 5.9794 +DEAL:2d:L1::Error face- values: 1.7388 2.2056 +DEAL:2d:L1::Error face- gradients: 38.435 44.170 +DEAL:2d:L1::Error face- divergence: 37.888 +DEAL:2d:L1::Error face+ values: 1.5105 1.9910 +DEAL:2d:L1::Error face+ gradients: 29.229 32.776 +DEAL:2d:L1::Error face+ divergence: 32.188 +DEAL:2d:L1::Error face b values: 1.1896 1.3149 +DEAL:2d:L1::Error face b gradients: 11.750 11.262 +DEAL:2d:L1::Error face b divergence: 10.617 +DEAL:2d:L1:: +DEAL:2d:L2::Testing FE_RaviartThomasNodal<2>(1) +DEAL:2d:L2::Error cell values: 0.14354 0.14722 +DEAL:2d:L2::Error cell gradients: 4.1713 4.8369 +DEAL:2d:L2::Error cell divergence: 5.0393 +DEAL:2d:L2::Error face- values: 1.8280 2.2410 +DEAL:2d:L2::Error face- gradients: 69.298 82.221 +DEAL:2d:L2::Error face- divergence: 79.684 +DEAL:2d:L2::Error face+ values: 1.5687 2.0843 +DEAL:2d:L2::Error face+ gradients: 53.012 62.748 +DEAL:2d:L2::Error face+ divergence: 66.862 +DEAL:2d:L2::Error face b values: 0.45449 0.44056 +DEAL:2d:L2::Error face b gradients: 7.7589 7.2442 +DEAL:2d:L2::Error face b divergence: 6.1239 +DEAL:2d:L2:: +DEAL:2d:L1::Testing FE_RaviartThomasNodal<2>(2) +DEAL:2d:L1::Error cell values: 0.13980 0.17077 +DEAL:2d:L1::Error cell gradients: 3.7272 4.8648 +DEAL:2d:L1::Error cell divergence: 4.9444 +DEAL:2d:L1::Error face- values: 1.3674 1.8556 +DEAL:2d:L1::Error face- gradients: 43.476 58.212 +DEAL:2d:L1::Error face- divergence: 56.234 +DEAL:2d:L1::Error face+ values: 1.0984 1.6891 +DEAL:2d:L1::Error face+ gradients: 29.783 42.660 +DEAL:2d:L1::Error face+ divergence: 46.665 +DEAL:2d:L1::Error face b values: 0.41366 0.37645 +DEAL:2d:L1::Error face b gradients: 5.5217 5.4703 +DEAL:2d:L1::Error face b divergence: 4.2204 +DEAL:2d:L1:: +DEAL:2d:L2::Testing FE_RaviartThomasNodal<2>(2) +DEAL:2d:L2::Error cell values: 0.060321 0.077774 +DEAL:2d:L2::Error cell gradients: 3.5424 4.6692 +DEAL:2d:L2::Error cell divergence: 5.0762 +DEAL:2d:L2::Error face- values: 1.4779 1.9132 +DEAL:2d:L2::Error face- gradients: 85.256 112.58 +DEAL:2d:L2::Error face- divergence: 116.99 +DEAL:2d:L2::Error face+ values: 1.1908 1.7800 +DEAL:2d:L2::Error face+ gradients: 61.373 87.594 +DEAL:2d:L2::Error face+ divergence: 99.172 +DEAL:2d:L2::Error face b values: 0.13182 0.13272 +DEAL:2d:L2::Error face b gradients: 4.2877 4.3459 +DEAL:2d:L2::Error face b divergence: 3.9350 +DEAL:2d:L2:: +DEAL:2d:L1::Testing FE_RaviartThomasNodal<2>(3) +DEAL:2d:L1::Error cell values: 0.083187 0.10755 +DEAL:2d:L1::Error cell gradients: 3.5511 4.7393 +DEAL:2d:L1::Error cell divergence: 5.1233 +DEAL:2d:L1::Error face- values: 1.3081 1.7200 +DEAL:2d:L1::Error face- gradients: 60.495 78.271 +DEAL:2d:L1::Error face- divergence: 78.129 +DEAL:2d:L1::Error face+ values: 1.0234 1.5766 +DEAL:2d:L1::Error face+ gradients: 40.871 60.436 +DEAL:2d:L1::Error face+ divergence: 68.428 +DEAL:2d:L1::Error face b values: 0.17779 0.18097 +DEAL:2d:L1::Error face b gradients: 4.1181 4.1715 +DEAL:2d:L1::Error face b divergence: 4.0317 +DEAL:2d:L1:: +DEAL:2d:L2::Testing FE_RaviartThomasNodal<2>(3) +DEAL:2d:L2::Error cell values: 0.041058 0.052901 +DEAL:2d:L2::Error cell gradients: 3.6350 4.7911 +DEAL:2d:L2::Error cell divergence: 5.2997 +DEAL:2d:L2::Error face- values: 1.3816 1.7638 +DEAL:2d:L2::Error face- gradients: 120.15 153.92 +DEAL:2d:L2::Error face- divergence: 162.33 +DEAL:2d:L2::Error face+ values: 1.0875 1.6414 +DEAL:2d:L2::Error face+ gradients: 85.185 124.79 +DEAL:2d:L2::Error face+ divergence: 143.62 +DEAL:2d:L2::Error face b values: 0.081640 0.081532 +DEAL:2d:L2::Error face b gradients: 4.1275 4.1225 +DEAL:2d:L2::Error face b divergence: 4.0589 +DEAL:2d:L2:: +DEAL:3d:L1::Testing FE_RaviartThomasNodal<3>(0) +DEAL:3d:L1::Error cell values: 1.8429 1.3769 1.2562 +DEAL:3d:L1::Error cell gradients: 25.242 18.035 15.467 +DEAL:3d:L1::Error cell divergence: 8.4549 +DEAL:3d:L1::Error face- values: 12.971 9.8571 10.337 +DEAL:3d:L1::Error face- gradients: 157.73 126.65 135.62 +DEAL:3d:L1::Error face- divergence: 65.605 +DEAL:3d:L1::Error face+ values: 12.925 10.240 8.7290 +DEAL:3d:L1::Error face+ gradients: 174.07 131.18 131.32 +DEAL:3d:L1::Error face+ divergence: 71.384 +DEAL:3d:L1::Error face b values: 11.921 7.4509 4.5886 +DEAL:3d:L1::Error face b gradients: 99.045 69.112 41.259 +DEAL:3d:L1::Error face b divergence: 26.234 +DEAL:3d:L1:: +DEAL:3d:L2::Testing FE_RaviartThomasNodal<3>(0) +DEAL:3d:L2::Error cell values: 1.3891 1.0210 0.95375 +DEAL:3d:L2::Error cell gradients: 33.030 22.592 19.619 +DEAL:3d:L2::Error cell divergence: 10.132 +DEAL:3d:L2::Error face- values: 19.343 14.320 14.446 +DEAL:3d:L2::Error face- gradients: 392.29 286.46 283.01 +DEAL:3d:L2::Error face- divergence: 156.90 +DEAL:3d:L2::Error face+ values: 19.734 15.160 13.949 +DEAL:3d:L2::Error face+ gradients: 418.42 302.38 297.37 +DEAL:3d:L2::Error face+ divergence: 168.21 +DEAL:3d:L2::Error face b values: 8.2201 5.3245 3.6886 +DEAL:3d:L2::Error face b gradients: 119.61 81.596 53.200 +DEAL:3d:L2::Error face b divergence: 24.468 +DEAL:3d:L2:: +DEAL:3d:L1::Testing FE_RaviartThomasNodal<3>(1) +DEAL:3d:L1::Error cell values: 1.1615 1.0843 1.2103 +DEAL:3d:L1::Error cell gradients: 18.490 15.134 15.206 +DEAL:3d:L1::Error cell divergence: 14.588 +DEAL:3d:L1::Error face- values: 6.8276 4.7251 6.8680 +DEAL:3d:L1::Error face- gradients: 141.86 108.58 131.14 +DEAL:3d:L1::Error face- divergence: 101.48 +DEAL:3d:L1::Error face+ values: 5.9713 6.0931 6.7026 +DEAL:3d:L1::Error face+ gradients: 131.50 119.62 118.85 +DEAL:3d:L1::Error face+ divergence: 112.83 +DEAL:3d:L1::Error face b values: 3.8486 4.4996 4.0159 +DEAL:3d:L1::Error face b gradients: 70.612 56.268 48.614 +DEAL:3d:L1::Error face b divergence: 39.209 +DEAL:3d:L1:: +DEAL:3d:L2::Testing FE_RaviartThomasNodal<3>(1) +DEAL:3d:L2::Error cell values: 0.46499 0.38144 0.43855 +DEAL:3d:L2::Error cell gradients: 13.575 11.045 12.602 +DEAL:3d:L2::Error cell divergence: 12.129 +DEAL:3d:L2::Error face- values: 6.5588 4.4357 6.5926 +DEAL:3d:L2::Error face- gradients: 238.60 175.06 237.70 +DEAL:3d:L2::Error face- divergence: 214.00 +DEAL:3d:L2::Error face+ values: 5.7699 5.6976 6.2465 +DEAL:3d:L2::Error face+ gradients: 215.48 204.34 213.10 +DEAL:3d:L2::Error face+ divergence: 226.34 +DEAL:3d:L2::Error face b values: 1.9464 1.6908 1.5795 +DEAL:3d:L2::Error face b gradients: 49.010 39.276 37.868 +DEAL:3d:L2::Error face b divergence: 28.000 +DEAL:3d:L2:: +DEAL:3d:L1::Testing FE_RaviartThomasNodal<3>(2) +DEAL:3d:L1::Error cell values: 0.37828 0.32881 0.38922 +DEAL:3d:L1::Error cell gradients: 10.134 8.9301 11.299 +DEAL:3d:L1::Error cell divergence: 11.491 +DEAL:3d:L1::Error face- values: 3.8008 2.5231 4.4875 +DEAL:3d:L1::Error face- gradients: 122.69 87.225 147.32 +DEAL:3d:L1::Error face- divergence: 132.72 +DEAL:3d:L1::Error face+ values: 3.1532 3.5726 3.9086 +DEAL:3d:L1::Error face+ gradients: 94.017 115.09 119.21 +DEAL:3d:L1::Error face+ divergence: 145.70 +DEAL:3d:L1::Error face b values: 1.5283 1.3653 1.4527 +DEAL:3d:L1::Error face b gradients: 28.290 24.217 27.985 +DEAL:3d:L1::Error face b divergence: 22.873 +DEAL:3d:L1:: +DEAL:3d:L2::Testing FE_RaviartThomasNodal<3>(2) +DEAL:3d:L2::Error cell values: 0.15947 0.13646 0.18046 +DEAL:3d:L2::Error cell gradients: 9.1649 7.9294 10.660 +DEAL:3d:L2::Error cell divergence: 12.366 +DEAL:3d:L2::Error face- values: 4.0172 2.6015 4.7501 +DEAL:3d:L2::Error face- gradients: 237.82 163.03 286.37 +DEAL:3d:L2::Error face- divergence: 299.49 +DEAL:3d:L2::Error face+ values: 3.2666 3.7201 4.0280 +DEAL:3d:L2::Error face+ gradients: 188.38 218.02 236.01 +DEAL:3d:L2::Error face+ divergence: 311.63 +DEAL:3d:L2::Error face b values: 0.58416 0.51535 0.64034 +DEAL:3d:L2::Error face b gradients: 22.761 20.071 25.067 +DEAL:3d:L2::Error face b divergence: 25.294 +DEAL:3d:L2::