dimension than the input ones. Boundary elements around generated
mesh of plus one dimension are additionally created. All created
elements can be automatically grouped. Revolution can be used to create
-a \ref extrusion_struct "structured mesh from scratch".
+a \ref extrusion_struct "structured mesh from scratch".
+See \ref extrusion_page page for general information on Revolution,
+which can be viewed as extrusion along a circular path.
<em>To apply revolution:</em>
<ol>
\image html image92.png
<center><em>"Revolution" button</em></center>
-The following dialog common for line and planar elements will appear:
+The following dialog will appear:
\image html revolution1.png
of following means:
<ul>
<li><b>Select the whole mesh, sub-mesh or group</b> activating this
- checkbox.</li>
+ check-box.</li>
<li>Choose mesh elements with the mouse in the 3D Viewer. It is
possible to select a whole area with a mouse frame.</li>
<li>Input the element IDs directly in <b>Node IDs</b>, <b>Edge
</li>
<li>Specify the \b Axis of revolution:
<ul>
- <li>Specify the cooordinates of the start \b Point of the
+ <li>Specify the coordinates of the start \b Point of the
axis of revolution; either directly or by picking a node
in the Viewer (selection of nodes is activated as you click
the \a Selection button).</li>
<li>Specify the \b Vector of the axis in either of three ways:
<ul>
<li>directly adjust vector components;</li>
- <li>click \a Selection button, chose <em>From Origin to
+ <li>click \a Selection button, choose <em>From Origin to
selected Point</em> in the opened menu and pick a node
in the Viewer; </li>
<li>click \a Selection button, chose <em>Normal to
<ul>
<li> <b>Angle by Step</b> - the elements are revolved by the
specified angle at each step (i.e. for Angle=30 and Number of
- Steps=2, the elements will be extruded by 30 degrees twice for a
- total of 30*2=60)
-\image html revolutionsn2.png "Example of Revolution with Angle by Step"
+ Steps=3, the elements will be extruded by 30 degrees twice for a
+ total of 30*3=90)
+\image html revolutionsn2.png "Example of Revolution with Angle by Step. Angle=30 and Number of Steps=3"
</li>
<li> <b>Total Angle</b> - the elements are revolved by the
specified angle only once and the number of steps defines the
- number of iterations (i.e. for Angle=30 and Number of Steps=2,
- the elements will be revolved by 30/2=15 degrees twice for a
+ number of iterations (i.e. for Angle=30 and Number of Steps=3,
+ the elements will be revolved by 30/3=10 degrees twice for a
total of 30).
-\image html revolutionsn1.png "Example of Revolution with Total Angle"
+\image html revolutionsn1.png "Example of Revolution with Total Angle. Angle=30 and Number of Steps=3"
</li>
</ul>
</li>
- <li>Specify the \b Tolerance for the operation, which is used to
- detect nodes lying on the axis of revolution.
+ <li>Specify the \b Tolerance, which is used to detect nodes lying
+ on the axis of revolution.
</li>
<li>Activate <b>Preview</b> check-box to see the result mesh in
the viewer.
