From: David Wells <wellsd2@rpi.edu>
Date: Wed, 25 Apr 2018 20:20:39 +0000 (-0400)
Subject: Update step-15 results.
X-Git-Tag: v9.0.0-rc1~107^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=291444b14a76f6603095e1e29e04c4378a071205;p=dealii.git

Update step-15 results.
---

diff --git a/doc/doxygen/stylesheet.css b/doc/doxygen/stylesheet.css
index 9e4f9f201f..cb455ae1c6 100644
--- 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 b1eba5ec90..c069966631 100644
--- 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 e5682dc6eb..0a02b60cae 100644
--- 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