Update step-15 results.

diff --git a/doc/doxygen/stylesheet.css b/doc/doxygen/stylesheet.css
index 9e4f9f201f7f4b5bfe14c14277c094cd7f421cb1..cb455ae1c6610b9e3ea3fed5b306de6ee3b9bf67 100644 (file)
--- a/doc/doxygen/stylesheet.css
+++ b/doc/doxygen/stylesheet.css
@@ -57,3 +57,15 @@ div.image img[src="fe_enriched_h-refinement.png"] {
   margin-left: auto;
   margin-right: auto;
 }
+
+/*
+ * environment for aligning pictures in one column.
+ */
+.onecolumn {
+  display: grid;
+  grid-template-columns: 1fr;
+  grid-column-gap: 5%;
+  grid-row-gap: 5%;
+  margin-left: auto;
+  margin-right: auto;
+}

diff --git a/examples/step-15/doc/results.dox b/examples/step-15/doc/results.dox
index b1eba5ec90276621aa7b3c8681b90b6199572911..c06996663116e765b96378a2a1b4c57d395ebe1a 100644 (file)
--- a/examples/step-15/doc/results.dox
+++ b/examples/step-15/doc/results.dox
@@ -32,43 +32,24 @@ One can visualize the solution after each set of five Newton
 iterations, i.e., on each of the meshes on which we approximate the
 solution. This yields the following set of images:
 
-<TABLE WIDTH="100%">
-<tr>
-<td>
-  <img src="https://www.dealii.org/images/steps/developer/step-15.solution-0.png" alt="">
-</td>
-<td>
-  <img src="https://www.dealii.org/images/steps/developer/step-15.solution-1.png" alt="">
-</td>
-</tr>
-
-<tr>
-<td>
-  <img src="https://www.dealii.org/images/steps/developer/step-15.solution-2.png" alt="">
-</td>
-<td>
-  <img src="https://www.dealii.org/images/steps/developer/step-15.solution-3.png" alt="">
-</td>
-</tr>
-
-<tr>
-<td>
-  <img src="https://www.dealii.org/images/steps/developer/step-15.solution-4.png" alt="">
-</td>
-<td>
-  <img src="https://www.dealii.org/images/steps/developer/step-15.solution-5.png" alt="">
-</td>
-</tr>
-
-<tr>
-<td>
-  <img src="https://www.dealii.org/images/steps/developer/step-15.solution-6.png" alt="">
-</td>
-<td>
-  <img src="https://www.dealii.org/images/steps/developer/step-15.solution-7.png" alt="">
-</td>
-</tr>
-</table>
+<div class="twocolumn" style="width: 80%">
+  <div>
+    <img src="https://www.dealii.org/images/steps/developer/step_15_solution_1.png"
+         alt="Solution after zero cycles with countour lines." width="230" height="273">
+  </div>
+  <div>
+    <img src="https://www.dealii.org/images/steps/developer/step_15_solution_2.png"
+         alt="Solution after one cycle with countour lines." width="230" height="273">
+  </div>
+  <div>
+    <img src="https://www.dealii.org/images/steps/developer/step_15_solution_3.png"
+         alt="Solution after two cycles with countour lines." width="230" height="273">
+  </div>
+  <div>
+    <img src="https://www.dealii.org/images/steps/developer/step_15_solution_4.png"
+         alt="Solution after three cycles with countour lines." width="230" height="273">
+  </div>
+</div>
 
 It is clearly visible, that the solution minimizes the surface
 after each refinement. The solution converges to a picture one
@@ -82,10 +63,15 @@ finer the mesh gets.
 The mesh is mostly refined near the boundary, where the solution
 increases or decreases strongly, whereas it is coarsened on
 the inside of the domain, where nothing interesting happens,
-because there isn't much change in the solution. The final solution
-and mesh are shown here:
-
-<img src="https://www.dealii.org/images/steps/developer/step-15.grid.png" alt="">
+because there isn't much change in the solution. The ninth
+solution and mesh are shown here:
+
+<div class="onecolumn" style="width: 60%">
+  <div>
+    <img src="https://www.dealii.org/images/steps/developer/step_15_solution_9.png"
+         alt="Grid and solution of the ninth cycle with contour lines." width="507" height="507">
+  </div>
+</div>
 
 
 

diff --git a/examples/step-15/step-15.cc b/examples/step-15/step-15.cc
index e5682dc6ebf989e334e4bb5bed46eaaec5d3136a..0a02b60caed6ef57a1a41f72f8e8a6eb14becd1a 100644 (file)
--- a/examples/step-15/step-15.cc
+++ b/examples/step-15/step-15.cc
@@ -627,9 +627,6 @@ namespace Step15
     // the origin, created in the same way as shown in step-6. The mesh is
     // globally refined twice followed later on by several adaptive cycles:
     GridGenerator::hyper_ball (triangulation);
-    static const SphericalManifold<dim> boundary;
-    triangulation.set_all_manifold_ids_on_boundary(0);
-    triangulation.set_manifold (0, boundary);
     triangulation.refine_global(2);
 
     // The Newton iteration starts next. During the first step we do not have