mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
synced 2024-12-26 01:10:35 +05:00
docs revised
This commit is contained in:
eap
parent
5dd3b79b00
commit
4f3f2d1610
@ -337,7 +337,8 @@ parameter of the hypotheses depending on edge direction.
|
||||
geometrical model in the 3D Viewer, which can help to understand the
|
||||
location of a set of edges within the model.
|
||||
|
||||
<b>Propagation chains</b> group allows splitting opposite edges of quadrilateral faces
|
||||
<b>Propagation chains</b> group allows defining <b>Reversed Edges</b>
|
||||
for splitting opposite edges of quadrilateral faces
|
||||
in a logically uniform direction. When this group is
|
||||
activated, the list is filled with propagation chains found within the
|
||||
model. When a chain is selected in the list its edges are
|
||||
|
||||
@ -15,15 +15,15 @@ The choice of a hypothesis depends on the selected algorithm.
|
||||
Hypotheses are created during creation and edition of
|
||||
\ref constructing_meshes_page "meshes" and
|
||||
\ref constructing_submeshes_page "sub-meshes".
|
||||
Once created a hypotheses can be reused during creation and
|
||||
edition of other meshes and sub-meshes. All created hypotheses and
|
||||
algorithms are present in the Object Browser in \a Hypotheses and
|
||||
\a Algorithms folders correspondingly. It is possible to open a dialog
|
||||
to modify the parameters of a hypothesis from its context menu.
|
||||
This menu also provides \b Unassign command that will unassign the hypothesis from all
|
||||
meshes and sub-meshes using it.
|
||||
Modification of any parameter of a hypothesis and its unassignment lead
|
||||
to automatic removal of elements generated using it.
|
||||
Once created a hypotheses can be reused during creation and edition of
|
||||
other meshes and sub-meshes. All created hypotheses and algorithms are
|
||||
present in the Object Browser in \a Hypotheses and \a Algorithms
|
||||
folders correspondingly. It is possible to open a dialog to modify the
|
||||
parameters of a hypothesis from its context menu. This menu also
|
||||
provides \b Unassign command that will unassign the hypothesis from
|
||||
all meshes and sub-meshes using it. Modification of any parameter of a
|
||||
hypothesis and its unassignment leads to automatic removal of elements
|
||||
generated using it.
|
||||
|
||||
In \b MESH there are the following Basic Hypotheses:
|
||||
<ul>
|
||||
|
||||
@ -36,7 +36,8 @@ using the same hypothesis assigned to only one edge.<br>
|
||||
Thus you define a sub-mesh on the edge where you define 1D meshing
|
||||
parameters and the \b Propagation hypothesis. These local meshing
|
||||
parameters will be propagated via opposite sides of quadrangles to the
|
||||
whole geometry, or to an edge with other local meshing parameters.
|
||||
whole geometry, and this propagation stops at an edge with other local
|
||||
meshing parameters.
|
||||
|
||||
This hypothesis can be taken into account by
|
||||
\ref a1d_algos_anchor "Wire Discretization" and
|
||||
@ -168,8 +169,13 @@ for more information about quadratic meshes.
|
||||
This additional hypothesis can be used together with 2D triangulation algorithms.
|
||||
It allows 2D triangulation algorithms to build quadrangular meshes.
|
||||
|
||||
This hypothesis cannot be used with "Quadrangle (Mapping)" meshing algorithm,
|
||||
since \ref hypo_quad_params_anchor "Quadrangle parameters"
|
||||
hypothesis has a restriction: the total quantity of
|
||||
segments on all four sides of the face must be even (divisible by 2).
|
||||
Usage of this hypothesis with "Quadrangle (Mapping)" meshing algorithm
|
||||
is obsolete since introducing
|
||||
\ref hypo_quad_params_anchor "Quadrangle parameters" hypothesis.
|
||||
Usage of this hypothesis with "Quadrangle (Mapping)" meshing algorithm
|
||||
corresponds to specifying "Quadrangle Preference" transition type of
|
||||
\ref hypo_quad_params_anchor "Quadrangle parameters" hypothesis.
|
||||
\note "Quadrangle Preference" transition type can be used only if the
|
||||
total quantity of segments on all sides of the face is even (divisible
|
||||
by 2), else "Standard" transition type is used.
|
||||
*/
|
||||
|
||||
@ -19,7 +19,8 @@ number of mesh segments following an 1D hypothesis.
|
||||
</li>
|
||||
<li><em>Composite Side Discretization</em> algorithm - allows to apply a 1D
|
||||
hypothesis to a whole side of a geometrical face even if it is
|
||||
composed of several edges provided that they form C1 curve in all faces of the main shape.</li>
|
||||
composed of several edges provided that they form C1 curve in all
|
||||
faces of the main shape.</li>
|
||||
</ul>
|
||||
|
||||
<li>For meshing of 2D entities (<b>faces</b>):</li>
|
||||
|
||||
@ -32,10 +32,11 @@ The following dialog box will appear:
|
||||
<li><b>Processing identical groups</b> - allows selecting the method
|
||||
of processing the namesake groups existing in the input meshes.
|
||||
They can be either <ul>
|
||||
<li>\b United - all elements of \em Group1 \em of Mesh_1 and \em Group1 of \em Mesh_2
|
||||
become the elements of \em Group1 of the \em Compound_Mesh, or</li>
|
||||
<li>\b Renamed - \em Group1 of \em Mesh_1 becomes \em Group1_1 and \em Group1 of \em Mesh_2
|
||||
becomes \em Group1_2.</li>
|
||||
<li>\b United - all elements of \em Group1 of \em Mesh_1 and \em
|
||||
Group1 of \em Mesh_2 become the elements of \em Group1 of the
|
||||
\em Compound_Mesh, or</li>
|
||||
<li>\b Renamed - \em Group1 of \em Mesh_1 becomes \em Group1_1
|
||||
and \em Group1 of \em Mesh_2 becomes \em Group1_2.</li>
|
||||
</ul>
|
||||
See \ref grouping_elements_page "Creating Groups" for more information
|
||||
about groups.</li>
|
||||
|
||||
@ -101,9 +101,10 @@ creation and computing) of the following steps:
|
||||
3D sub-shapes (solids) and generate 3D mesh elements
|
||||
(tetrahedra, hexahedra etc.)
|
||||
|
||||
As soon as you have selected an algorithm, you can create a hypothesis (or
|
||||
select an already created one). A set of accessible
|
||||
hypotheses includes only the hypotheses that can be used by the selected algorithm.
|
||||
As soon as you have selected an algorithm, you can create a
|
||||
hypothesis (or select an already created one). A set of accessible
|
||||
hypotheses includes only the hypotheses that can be used by the
|
||||
selected algorithm.
|
||||
|
||||
\note
|
||||
- Some page(s) can be disabled if the geometrical
|
||||
@ -115,7 +116,7 @@ creation and computing) of the following steps:
|
||||
dialog pages related to the corresponding lower dimensions are
|
||||
disabled.
|
||||
- \b 0D page refers to 0D geometry (vertices) rather than
|
||||
to 0D elements. Mesh module does not provide algorithms that
|
||||
to 0D elements. Mesh module does not provide algorithms that
|
||||
produce 0D elements. Currently \b 0D page provides only one
|
||||
algorithm "Segments around vertex" that allows specifying the required
|
||||
size of mesh edges about the selected vertex (or vertices).
|
||||
@ -123,8 +124,8 @@ creation and computing) of the following steps:
|
||||
For example, you need to mesh a 3D object.
|
||||
|
||||
First, you can change a default name of your mesh in the \b Name
|
||||
box. Then check that the selected geometrical object
|
||||
indicated in \b Geometry field, is what you wish to mesh; if not, select
|
||||
box. Then check that the selected geometrical object indicated in
|
||||
\b Geometry field, is what you wish to mesh; if not, select
|
||||
the correct object in the Object Browser. Click "Select" button
|
||||
near \b Geometry field if the name of the object has not yet
|
||||
appeared in \b Geometry field.
|
||||
@ -221,9 +222,9 @@ creation and computing) of the following steps:
|
||||
</center>
|
||||
|
||||
\note
|
||||
- \a "Automatic" in the names of predefined sets of
|
||||
hypotheses does not actually mean that they are suitable for
|
||||
meshing any geometry.
|
||||
- \a "Automatic" in the names of predefined sets of hypotheses
|
||||
does not actually mean that they are suitable for meshing any
|
||||
geometry.
|
||||
- The list of sets of hypotheses can be shorter than in the
|
||||
above image depending on the geometry dimension.
|
||||
</li>
|
||||
@ -376,13 +377,13 @@ click "Compute" button of the toolbar.
|
||||
|
||||
After the mesh computation finishes, the Mesh Computation information
|
||||
box appears. If you close this box and click "Compute" button again,
|
||||
without previously changing meshing parameters, the mesh will
|
||||
NOT be re-computed and the Mesh Computation information box will be shown with
|
||||
the same contents. (To fully re-compute the mesh, invoke \ref
|
||||
clear_mesh_anchor "Clear Mesh Data" command before).
|
||||
without previously changing meshing parameters, the mesh will NOT be
|
||||
re-computed and the Mesh Computation information box will be shown
|
||||
with the same contents. (To fully re-compute the mesh, invoke
|
||||
\ref clear_mesh_anchor "Clear Mesh Data" command before).
|
||||
|
||||
If the mesh computation has been a success, the box shows information on the number of entities
|
||||
of different types in the mesh.
|
||||
If the mesh computation has been a success, the box shows information
|
||||
on the number of entities of different types in the mesh.
|
||||
|
||||
\image html meshcomputationsucceed.png
|
||||
|
||||
|
||||
@ -58,7 +58,8 @@ The following dialog will appear:
|
||||
<li>If the <b>Extrusion to Distance</b> radio button is selected
|
||||
- specify the translation vector by which the elements will be extruded.
|
||||
</li>
|
||||
|
||||
<p><br></p>
|
||||
|
||||
\image html extrusionalongaline2.png
|
||||
|
||||
<li>If the <b>Extrusion Along Vector</b> radio button is selected
|
||||
@ -70,7 +71,8 @@ The following dialog will appear:
|
||||
be negative).</li>
|
||||
</ul>
|
||||
</li>
|
||||
|
||||
<p><br></p>
|
||||
|
||||
\image html extrusionalongaline3.png
|
||||
|
||||
<li>If the <b>Extrusion By Normal</b> radio button is selected,
|
||||
|
||||
@ -70,9 +70,9 @@ The created groups can be later:
|
||||
- \ref importing_exporting_meshes_page "Exported" into a file as a
|
||||
whole mesh.
|
||||
|
||||
In the Object Browser, if an item contains more
|
||||
than one group, it is possible to sort its groups by name in
|
||||
ascending order using <b>Sort children</b> context menu item.
|
||||
In the Object Browser, if an item contains more than one child group,
|
||||
it is possible to sort the groups by name in ascending order
|
||||
using <b>Sort children</b> context menu item.
|
||||
|
||||
\image html smesh_sort_groups.png "Sorting groups"
|
||||
|
||||
|
||||
@ -4,8 +4,8 @@
|
||||
|
||||
\n In MESH there is a functionality allowing import/export
|
||||
of meshes from/to \b MED, \b UNV (I-DEAS 10), \b DAT (simple ascii format), \b STL,
|
||||
\b GMF (internal format of DISTENE products, namely BLSurf, GHS3D and
|
||||
Hexotic algorithms) and \b CGNS format files. You can also export a
|
||||
\b GMF (internal format of DISTENE products, namely MG-CADSurf, MG-Tetra and
|
||||
MG-Hexa algorithms) and \b CGNS format files. You can also export a
|
||||
group as a whole mesh.
|
||||
|
||||
|
||||
|
||||
@ -16,10 +16,11 @@
|
||||
either \ref importing_exporting_meshes_page "imported" or manually
|
||||
created);
|
||||
</li>
|
||||
<li>\ref importing_exporting_meshes_page "importing and exporting meshes in various formats";</li>
|
||||
<li>\ref importing_exporting_meshes_page "importing and exporting meshes in various formats";</li>
|
||||
<li>\subpage modifying_meshes_page "modifying meshes" with a vast
|
||||
array of dedicated operations;</li>
|
||||
<li>\subpage grouping_elements_page "creating groups of mesh elements";</li>
|
||||
<li>\subpage grouping_elements_page "creating groups of mesh
|
||||
elements";</li>
|
||||
<li>filtering mesh entities (nodes or elements) using
|
||||
\subpage filters_page "Filters" functionality for \ref
|
||||
grouping_elements_page "creating groups" and applying \ref
|
||||
@ -27,14 +28,17 @@
|
||||
<li>\subpage viewing_meshes_overview_page "viewing meshes" in
|
||||
the VTK viewer;</li>
|
||||
<li>applying to meshes \subpage quality_page "Quality Controls",
|
||||
allowing to highlight important elements;
|
||||
<li>taking various \subpage measurements_page "measurements" of the mesh objects.
|
||||
allowing to highlight important elements;</li>
|
||||
<li>taking various \subpage measurements_page "measurements" of the
|
||||
mesh objects.</li>
|
||||
</ul>
|
||||
|
||||
It is possible to use the variables predefined in
|
||||
\subpage using_notebook_mesh_page "Salome notebook" to set parameters of operations.
|
||||
\subpage using_notebook_mesh_page "Salome notebook" to set parameters
|
||||
of operations.
|
||||
|
||||
Mesh module preferences are described in the \subpage mesh_preferences_page section of SALOME Mesh Help.
|
||||
Mesh module preferences are described in the \subpage mesh_preferences_page
|
||||
section of SALOME Mesh Help.
|
||||
|
||||
Almost all mesh module functionalities are accessible via
|
||||
\subpage smeshpy_interface_page "Mesh module Python interface".
|
||||
|
||||
@ -38,7 +38,8 @@ object selectable in the dialog box. Two elements are considered coincident if t
|
||||
in the selected object.</li>
|
||||
<li><b>Coincident elements</b> is a list of groups of elements for
|
||||
merging. After the operation all elements of each group will
|
||||
be united into one element.
|
||||
be united into one element. The first element of a group is kept and
|
||||
the others are removed.
|
||||
<ul>
|
||||
<li>\b Remove button deletes the selected group from the list.</li>
|
||||
<li>\b Add button adds to the list a group of elements selected in the
|
||||
@ -57,7 +58,7 @@ object selectable in the dialog box. Two elements are considered coincident if t
|
||||
<br>
|
||||
\image html sort.png
|
||||
<center>moves the selected element to the first position in the
|
||||
group.</center>
|
||||
group in order to keep it in the mesh.</center>
|
||||
<br>
|
||||
</li>
|
||||
<li>To confirm your choice click \b Apply or <b>Apply and Close</b> button.</li>
|
||||
|
||||
@ -38,9 +38,10 @@ In this mode additional controls are available:
|
||||
<ul>
|
||||
<li>\b Detect button generates the list of coincident nodes for the given
|
||||
\b Tolerance.</li>
|
||||
<li><b>Coincident nodes</b> is a list of groups of elements for
|
||||
merging. After the operation all elements of each group will
|
||||
be united into one element.
|
||||
<li><b>Coincident nodes</b> is a list of groups of nodes for
|
||||
merging. After the operation all nodes of each group will
|
||||
be united into one node. The first node of a group is kept and
|
||||
the others are removed.
|
||||
<ul>
|
||||
<li>\b Remove button deletes the selected group from the list.</li>
|
||||
<li>\b Add button adds to the list a group of nodes selected in the
|
||||
@ -65,7 +66,7 @@ nodes of selected groups in the 3D viewer.</li>
|
||||
<br>
|
||||
\image html sort.png
|
||||
<center>moves the selected node to the first position in the
|
||||
group.</center><br>
|
||||
group in order to keep it in the mesh.</center><br>
|
||||
</li>
|
||||
</ul>
|
||||
</li>
|
||||
|
||||
@ -54,7 +54,7 @@ or in later sessions with this module according to the preferences.
|
||||
this operation will be carried out automatically.
|
||||
|
||||
- <b>Mesh computation</b>
|
||||
- <b>Show a computation result notification</b> combob-ox allows to
|
||||
- <b>Show a computation result notification</b> combo-box allows to
|
||||
select the notification mode about a mesh computation result.
|
||||
There are 3 possible modes:
|
||||
- <b>Never</b> - do not show the result dialog at all;
|
||||
|
||||
@ -28,7 +28,7 @@ selected criterion. The \b Remove button deletes the selected
|
||||
criterion. The \b Clear button deletes all criteria.
|
||||
\n Each <b>Entity type</b> has its specific list of criteria, however all
|
||||
filters have common syntax. The <b>Threshold Value</b> should be specified
|
||||
for each criterion. For numerical criteria it is necessary to indicate if
|
||||
for most criteria. For numerical criteria it is necessary to indicate if
|
||||
the found elements should be \b More, \b Less or \b Equal to this
|
||||
\b Value. You can also reverse the sense of a criterion using \b Unary
|
||||
operator \a Not and you should specify logical relations between
|
||||
@ -102,7 +102,7 @@ defined by the <b>Threshold Value</b>. The list of available geometric
|
||||
types depends on the current entity type.
|
||||
</li><li>
|
||||
<b>Entity type</b> allows selection of elements by their type defined
|
||||
as a combination of geometry type amd the number of nodes.
|
||||
as a combination of geometry type and the number of nodes.
|
||||
</li>
|
||||
</ul>
|
||||
|
||||
|
||||
@ -6,7 +6,8 @@
|
||||
locations of element corners (nodes).
|
||||
|
||||
\note Depending on the chosen method and mesh geometry
|
||||
the smoothing can actually decrease the quality of elements.
|
||||
the smoothing can actually decrease the quality of elements and even
|
||||
make some elements inverted.
|
||||
|
||||
<em>To apply smoothing to the elements of your mesh:</em>
|
||||
<ol>
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
|
||||
\page uniting_set_of_triangles_page Uniting a set of triangles
|
||||
|
||||
\n It is possible to unite many neighboring triangles (cells) into
|
||||
\n It is possible to unite many neighboring triangles into
|
||||
quadrangles by deletion of the common edge.
|
||||
|
||||
<em>To union several triangles:</em>
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
|
||||
\page uniting_two_triangles_page Uniting two triangles
|
||||
|
||||
\n In MESH you can union two neighboring triangles (cells) by deletion
|
||||
\n In MESH you can union two neighboring triangles by deletion
|
||||
of the common edge.
|
||||
|
||||
<em>To unite two triangles:</em>
|
||||
@ -20,7 +20,7 @@ The following dialog box shall appear:
|
||||
|
||||
</li>
|
||||
<li>Enter IDs of nodes forming the required edge in the \b Edge field
|
||||
(the node IDs must be separated by dashes) or select this edge in
|
||||
(a couple of node IDs separated by a dash) or select this edge in
|
||||
the 3D viewer.</li>
|
||||
<li>Click the \b Apply or <b>Apply and Close</b> button.</li>
|
||||
</ol>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user