</li>
</ol>
To apply this algorithm when you define your mesh, select <b>Body
- Fitting</b> in the list of 3D algorithms and add <b>Body Fitting Parameters</b> hypothesis. The following dialog will appear:
+ Fitting</b> in the list of 3D algorithms and add <b>Body Fitting
+ Parameters</b> hypothesis. The following dialog will appear:
<br>
\anchor cartesian_hyp_anchor
This dialog allows to define
<ul>
<li>\b Name of the algorithm. </li>
-
<li> Minimal size of a cell truncated by the geometry boundary. If the
size of a truncated grid cell is \b Threshold times less than a
initial cell size, then a mesh element is not created. </li>
-
<li> <b> Implement Edges </b> check-box activates incorporation of
geometrical edges in the mesh.
\image html cartesian_implement_edge.png "Implement Edges switched off to the left and on to the right"
- <li> <b>Definition mode</b> allows choosing how Cartesian structured grid is defined. Location of nodes along each grid axis is defined individually:
+ <li> <b>Definition mode</b> allows choosing how Cartesian structured
+ grid is defined. Location of nodes along each grid axis is defined
+ individually:
<ul>
<li> You can specify the \b Coordinates of grid nodes. \b Insert button
- inserts a node at \b Step distance(negative or positive) from the
+ inserts a node at \b Step distance (negative or positive) from the
selected node. \b Delete button removes the selected node. Double
click on a coordinate in the list enables its edition.
\b Note that node coordinates are measured along directions of
System.</li>
<li> You can define the \b Spacing of a grid as an algebraic formula
<em>f(t)</em> where \a t is a position along a grid axis
- normalized at [0.0,1.0]. The whole range of geometry can be
- divided into sub-ranges with their own spacing formulas to apply;
- \a t varies between 0.0 and 1.0 within each sub-range. \b Insert button
+ normalized at [0.0,1.0]. <em>f(t)</em> must be non-negative
+ at 0. <= \a t <= 1. The whole extent of geometry can be
+ divided into ranges with their own spacing formulas to apply;
+ \a t varies between 0.0 and 1.0 within each \b Range. \b Insert button
divides a selected range into two. \b Delete button adds the
selected sub-range to the previous one. Double click on a range in
the list enables edition of its right boundary. Double click on a
</li> </ul>
</li>
- <li> <b> Fixed Point</b> group allows defining an exact location of a grid node in the direction defined by spacing. The following cases are possible:
-<ul>
-<li>If all three directions are defined by spacing, there will be a mesh node at the <b> Fixed Point</b>. </li>
-<li>If two directions are defined by spacing, there will be at least a link between mesh nodes passing through the <b> Fixed Point</b>.</li>
-<li> If only one direction is defined by spacing, there will be at least an element facet passing through the <b> Fixed Point</b>.</li>
-<li>If no directions are defined by spacing, <b> Fixed Point</b> is disabled.</li>
-</ul>
-</li>
+ <li> <b> Fixed Point</b> group allows defining an exact location of
+ a grid node in the direction defined by spacing. The following cases
+ are possible:
+ <ul>
+ <li>If all three directions are defined by spacing, there will
+ be a mesh node at the <b> Fixed Point</b>. </li>
+ <li>If two directions are defined by spacing, there will be at
+ least a link between mesh nodes passing through the <b> Fixed
+ Point</b>.</li>
+ <li> If only one direction is defined by spacing, there will be
+ at least an element facet passing through the <b> Fixed
+ Point</b>.</li>
+ <li>If no directions are defined by spacing, <b> Fixed Point</b>
+ is disabled.</li>
+ </ul>
+ </li>
<li> <b> Directions of Axes</b> group allows setting the directions of grid axes.
<ul>
