From: kanschat Date: Mon, 30 Apr 2007 20:27:16 +0000 (+0000) Subject: compare different transfer classes X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=77c07cecab01d7a8d35f02c9c96e41e949694099;p=dealii-svn.git compare different transfer classes git-svn-id: https://svn.dealii.org/trunk@14649 0785d39b-7218-0410-832d-ea1e28bc413d --- diff --git a/tests/multigrid/Makefile b/tests/multigrid/Makefile index 5210343b40..4cbe75348f 100644 --- a/tests/multigrid/Makefile +++ b/tests/multigrid/Makefile @@ -22,7 +22,7 @@ default: run-tests ############################################################ tests_x = cycles dof_* count_* boundary_* renumbering_* \ - transfer transfer_select transfer_block_select transfer_block \ + transfer* \ smoother_block # from above list of regular expressions, generate the real set of diff --git a/tests/multigrid/transfer_compare_01.cc b/tests/multigrid/transfer_compare_01.cc new file mode 100644 index 0000000000..d1b90fb83f --- /dev/null +++ b/tests/multigrid/transfer_compare_01.cc @@ -0,0 +1,215 @@ +//---------------------------------------------------------------------------- +// $Id$ +// Version: $Name$ +// +// Copyright (C) 2000 - 2007 by the deal.II authors +// +// This file is subject to QPL and may not be distributed +// without copyright and license information. Please refer +// to the file deal.II/doc/license.html for the text and +// further information on this license. +// +//---------------------------------------------------------------------------- + +// Compare MGTransferPrebuilt, MGTransferBlock and MGTransferSelect + +#include "../tests.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +using namespace std; + +template +void check_block(const FiniteElement& fe) +{ + deallog << fe.get_name() << std::endl; + std::vector selected(fe.n_blocks(), true); + + Triangulation tr; + GridGenerator::hyper_cube(tr); + tr.refine_global(2); + + MGDoFHandler mgdof(tr); + DoFHandler& dof=mgdof; + mgdof.distribute_dofs(fe); + + // Make sure all orderings are the + // same + Point direction; + for (unsigned int d=0;d ndofs(fe.n_blocks()); + DoFTools::count_dofs_per_block(mgdof, ndofs); + std::vector > mg_ndofs(mgdof.get_tria().n_levels()); + MGTools::count_dofs_per_block(mgdof, mg_ndofs); + + MGTransferPrebuilt > transfer; + MGTransferBlock transfer_block; + MGTransferBlockSelect transfer_select; + transfer.build_matrices(mgdof); + transfer_block.build_matrices(dof, mgdof, selected); + transfer_select.build_matrices(dof, mgdof, 0); + + BlockVector u2(mg_ndofs[2]); + BlockVector u1(mg_ndofs[1]); + BlockVector u0(mg_ndofs[0]); + BlockVector v2(mg_ndofs[2]); + BlockVector v1(mg_ndofs[1]); + BlockVector v0(mg_ndofs[0]); + + // Prolongate a constant function + // twice + u0 = 1; + transfer.prolongate(1,u1,u0); + transfer.prolongate(2,u2,u1); + v0 = 1; + transfer_block.prolongate(1,v1,v0); + transfer_block.prolongate(2,v2,v1); + v0.add(-1., u0); + v1.add(-1., u1); + v2.add(-1., u2); + // These outputs are just the + // number of dofs on each level + deallog << "Prolongate " << v0.l2_norm() + << ' ' << v1.l2_norm() + << ' ' << v2.l2_norm() + << std::endl; + + v0 = 1.; + transfer_select.prolongate(1,v1.block(0),v0.block(0)); + transfer_select.prolongate(2,v2.block(0),v1.block(0)); + v0.add(-1., u0); + v1.add(-1., u1); + v2.add(-1., u2); + deallog << "Select " << v0.block(0).l2_norm() + << ' ' << v1.block(0).l2_norm() + << ' ' << v2.block(0).l2_norm() + << std::endl; + + v2 = u2; + u1 = 0.; + u0 = 0.; + transfer.restrict_and_add(2,u1,u2); + transfer.restrict_and_add(1,u0,u1); + v1 = 0.; + v0 = 0.; + transfer_block.restrict_and_add(2,v1,v2); + transfer_block.restrict_and_add(1,v0,v1); + v0.add(-1., u0); + v1.add(-1., u1); + deallog << "Restrict " << v0.l2_norm() + << ' ' << v1.l2_norm() + << std::endl; + + v1 = 0.; + v0 = 0.; + transfer_select.restrict_and_add(2,v1.block(0),v2.block(0)); + transfer_select.restrict_and_add(1,v0.block(0),v1.block(0)); + v0.add(-1., u0); + v1.add(-1., u1); + deallog << "Select " << v0.block(0).l2_norm() + << ' ' << v1.block(0).l2_norm() + << std::endl; + + + // Check copy to mg and back + BlockVector u; + u.reinit (ndofs); + for (unsigned int i=0;i > cached_sizes; + MGLevelObject > v; + MGLevelObject > w; + v.resize(0, tr.n_levels()-1); + w.resize(0, tr.n_levels()-1); + MGTools::reinit_vector_by_blocks(mgdof, v, selected, cached_sizes); + MGTools::reinit_vector_by_blocks(mgdof, w, selected, cached_sizes); + + deallog << "copy to mg"; + transfer.copy_to_mg(mgdof, v, u); + transfer_block.copy_to_mg(mgdof, w, u); + + for (unsigned int l=0; l uu; + uu.reinit(u); + transfer.copy_from_mg_add(mgdof, u, v); + transfer_block.copy_from_mg_add(mgdof, uu, v); + u.print(std::cout, 0, false); + uu.print(std::cout, 0, false); + u.add(-1., uu); + deallog << u.l2_norm() << std::endl; + +} + + +int main() +{ + std::ofstream logfile("transfer_compare_01/output"); + logfile.precision(3); + deallog.attach(logfile); + deallog.depth_console(0); + deallog.threshold_double(1.e-10); + + std::vector factors; + + FE_DGQ<2> q0(0); + FE_DGQ<2> q1(1); + FE_Q<2> cq1(1); + FE_RaviartThomasNodal<2> rt0(0); + FE_RaviartThomasNodal<2> rt1(1); + + FESystem<2> fe0(rt1, 1, q1, 1); + FESystem<2> fe1(rt0, 2, q0, 2); + + check_block(q0); + check_block(cq1); + check_block(rt1); + + check_block(fe0); + check_block(fe1); +} diff --git a/tests/multigrid/transfer_compare_01/cmp/generic b/tests/multigrid/transfer_compare_01/cmp/generic new file mode 100644 index 0000000000..b08f070169 --- /dev/null +++ b/tests/multigrid/transfer_compare_01/cmp/generic @@ -0,0 +1,56 @@ + +DEAL::All +DEAL::FESystem<2>[FE_RaviartThomasNodal<2>(1)-FE_DGQ<2>(1)] +DEAL::selected 0 1 +DEAL::Global dofs: 144 64 +DEAL::Level 0 dofs: 12 4 +DEAL::Level 1 dofs: 40 16 +DEAL::Level 2 dofs: 144 64 +DEAL::u0 12 4 +DEAL::u1 40 16 +DEAL::u2 144 64 +DEAL::u1 572 256 +DEAL::u0 2214 1024 +DEAL:: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 +DEAL:: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 +DEAL::Velocity +DEAL::FESystem<2>[FE_RaviartThomasNodal<2>(1)-FE_DGQ<2>(1)] +DEAL::selected 0 +DEAL::Global dofs: 144 64 +DEAL::Level 0 dofs: 12 4 +DEAL::Level 1 dofs: 40 16 +DEAL::Level 2 dofs: 144 64 +DEAL::u0 12 4 +DEAL::u1 40 0 +DEAL::u2 144 0 +DEAL::u1 572 0 +DEAL::u0 2214 0 +DEAL:: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 +DEAL:: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 +DEAL::Pressure +DEAL::FESystem<2>[FE_RaviartThomasNodal<2>(1)-FE_DGQ<2>(1)] +DEAL::selected 1 +DEAL::Global dofs: 144 64 +DEAL::Level 0 dofs: 12 4 +DEAL::Level 1 dofs: 40 16 +DEAL::Level 2 dofs: 144 64 +DEAL::u0 12 4 +DEAL::u1 0 16 +DEAL::u2 0 64 +DEAL::u1 0 256 +DEAL::u0 0 1024 +DEAL:: 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 +DEAL:: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 +DEAL::FESystem<2>[FE_RaviartThomasNodal<2>(0)^2-FE_DGQ<2>(0)^2] +DEAL::selected 1 3 +DEAL::Global dofs: 40 40 16 16 +DEAL::Level 0 dofs: 4 4 1 1 +DEAL::Level 1 dofs: 12 12 4 4 +DEAL::Level 2 dofs: 40 40 16 16 +DEAL::u0 4 4 1 1 +DEAL::u1 0 12 0 4 +DEAL::u2 0 40 0 16 +DEAL::u1 0 136 0 64 +DEAL::u0 0 400 0 256 +DEAL:: 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 +DEAL:: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56