]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
Added the Re=500 results
authorsalgado <salgado@0785d39b-7218-0410-832d-ea1e28bc413d>
Tue, 22 Sep 2009 19:11:13 +0000 (19:11 +0000)
committersalgado <salgado@0785d39b-7218-0410-832d-ea1e28bc413d>
Tue, 22 Sep 2009 19:11:13 +0000 (19:11 +0000)
git-svn-id: https://svn.dealii.org/trunk@19493 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/examples/step-35/doc/Re500t0.png [new file with mode: 0644]
deal.II/examples/step-35/doc/Re500t1.png [new file with mode: 0644]
deal.II/examples/step-35/doc/Re500t10.png [new file with mode: 0644]
deal.II/examples/step-35/doc/Re500t3.png [new file with mode: 0644]
deal.II/examples/step-35/doc/Re500t5.png [new file with mode: 0644]
deal.II/examples/step-35/doc/Re500t8.png [new file with mode: 0644]
deal.II/examples/step-35/doc/results.dox

diff --git a/deal.II/examples/step-35/doc/Re500t0.png b/deal.II/examples/step-35/doc/Re500t0.png
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diff --git a/deal.II/examples/step-35/doc/Re500t1.png b/deal.II/examples/step-35/doc/Re500t1.png
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diff --git a/deal.II/examples/step-35/doc/Re500t10.png b/deal.II/examples/step-35/doc/Re500t10.png
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diff --git a/deal.II/examples/step-35/doc/Re500t3.png b/deal.II/examples/step-35/doc/Re500t3.png
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diff --git a/deal.II/examples/step-35/doc/Re500t5.png b/deal.II/examples/step-35/doc/Re500t5.png
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diff --git a/deal.II/examples/step-35/doc/Re500t8.png b/deal.II/examples/step-35/doc/Re500t8.png
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index 7ae416122f428ebbea85573023ab835706bdafe1..44e42ef9721612bf3f577ab316714c4b8a8a6c34 100644 (file)
@@ -1,6 +1,9 @@
 <a name="results"></a>
 <h1>Results</h1>
 
+<a name="Re100"></a>
+<h2> $Re = 100$ <h2>
+
 We run the code with the following <code>parameter-file.prm</code>, which can be found in the
 same directory as the source:
 @verbatim
@@ -52,18 +55,29 @@ Since the <code>verbose</code> parameter is set to <code>false</code>, we do not
 If we we were to set it to <code>true</code> we would get information on what the program is doing and
 how many steps each iterative process had to make to converge, etc.
 
-A plot of the obtained results for $t=0,1,5,10$ is the following
+A plot of the obtained results for $t=0,1,3,5,8,10$ is the following
 
-@image html visit0001.png
+@image html Re100t0.png
+@image html Re100t1.png
+@image html Re100t3.png
+@image html Re100t5.png
+@image html Re100t8.png
+@image html Re100t10.png
 
-@image html visit0002.png
+The contour lines correspond to the pressure, the color to the voriticity and the arrows to the velocity.
+Here we only show a zoom into a region near the obstacle which is, after all, where the interesting things happen.
 
-@image html visit0003.png
+<a name="Re500"></a>
+<h2> $Re = 500$ <h2>
 
-@image html visit0004.png
+Changing the Reynolds number, $Re$, to in the parameter file to a value of $500$ we obtain the following results.
+@image html Re500t0.png
+@image html Re500t1.png
+@image html Re500t3.png
+@image html Re500t5.png
+@image html Re500t8.png
+@image html Re500t10.png
 
-The contour lines correspond to the pressure, the color to the voriticity and the arrows to the velocity.
-Here we only show a zoom into a region near the obstacle which is, after all, where the interesting things happen.
 
 <a name="extensions"></a>
 <h2> Possible Extensions </h2>
@@ -78,6 +92,10 @@ This program can be extended in the following directions:
   projection methods with variable time step,
   practice shows that they perform very well.
 
+  <li> High Reynolds numbers: As we can see from the results, increasing the Reynolds number changes significantly
+  the behavior of the flow. Using well-known stabilization techniques we could be able to
+  compute the flow in this, or many other problems, when the Reynolds number is very large.
+
   <li> Variable density incompressible flows: There are projection-like methods for the case of incompressible
   flows with variable density. Such flows play a role if fluids of different
   density mix, for example fresh water and salt water, or alcohol and water.

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