X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2F1d_meshing_hypo.doc;fp=doc%2Fsalome%2Fgui%2FSMESH%2Finput%2F1d_meshing_hypo.doc;h=367a0d0b5abe489daf5be5ae49ab5bcd9c5da4cc;hp=7053546924bfff0525b9728b2dd3ffe029b4a75a;hb=bd4e115a78b52e3fbc016e5e30bb0e19b2a9e7d6;hpb=0635c9fc80f67d1e5dc0e94ec85f487286a92070 diff --git a/doc/salome/gui/SMESH/input/1d_meshing_hypo.doc b/doc/salome/gui/SMESH/input/1d_meshing_hypo.doc index 705354692..367a0d0b5 100644 --- a/doc/salome/gui/SMESH/input/1d_meshing_hypo.doc +++ b/doc/salome/gui/SMESH/input/1d_meshing_hypo.doc @@ -5,12 +5,13 @@

@@ -21,6 +22,12 @@ length that changes in arithmetic progression (Lk = Lk-1 + d) beginning from a given starting length and up to a given end length. +The direction of the splitting is defined by the orientation of the underlying geometrical edge. +"Reverse Edges" list box allows to specify the edges for which the splitting should be made +in the direction opposing to their orientation. This list box is enabled only if the geometry object +is selected for the meshing. In this case the user can select edges to be reversed either directly +picking them in the 3D viewer or by selecting the edges or groups of edges in the Object browser. + \image html a-arithmetic1d.png \image html b-ithmetic1d.png "Arithmetic 1D hypothesis - the size of mesh elements gradually increases" @@ -50,9 +57,9 @@ locations and 1D mesh elements are constructed on segments.
\anchor average_length_anchor -

Average Length hypothesis

+

Local Length hypothesis

-Average Length hypothesis can be applied for meshing of edges +Local Length hypothesis can be applied for meshing of edges composing your geometrical object. Definition of this hypothesis consists of setting the \b length of segments, which will split these edges, and the \b precision of rounding. The points on the edges @@ -72,10 +79,10 @@ integer. Default value is 1e-07. \image html a-averagelength.png -\image html b-erage_length.png "Average length hypothesis - all 1D mesh elements are roughly equal" +\image html b-erage_length.png "Local Length hypothesis - all 1D mesh elements are roughly equal" See Also a sample TUI Script of a -\ref tui_average_length "Defining Average Length" hypothesis +\ref tui_average_length "Defining Local Length" hypothesis operation.
\anchor max_length_anchor @@ -106,6 +113,12 @@ edges generated by these segments will represent nodes of your mesh. Later these nodes will be used for meshing of the faces abutting to these edges. +The direction of the splitting is defined by the orientation of the underlying geometrical edge. +"Reverse Edges" list box allows to specify the edges for which the splitting should be made +in the direction opposing to their orientation. This list box is enabled only if the geometry object +is selected for the meshing. In this case the user can select edges to be reversed either directly +picking them in the 3D viewer or by selecting the edges or groups of edges in the Object browser. + \image html image46.gif You can set the type of distribution for this hypothesis in the @@ -144,11 +157,17 @@ operation. Start and End Length hypothesis allows to divide a geometrical edge into segments so that the first and the last segments have a specified -length. The length medium segments changes with automatically chosen +length. The length of medium segments changes with automatically chosen geometric progression. Then mesh nodes are constructed at segment ends location and 1D mesh elements are constructed on them. +The direction of the splitting is defined by the orientation of the underlying geometrical edge. +"Reverse Edges" list box allows to specify the edges for which the splitting should be made +in the direction opposing to their orientation. This list box is enabled only if the geometry object +is selected for the meshing. In this case the user can select edges to be reversed either directly +picking them in the 3D viewer or by selecting the edges or groups of edges in the Object browser. + \image html a-startendlength.png \image html b-art_end_length.png "The lengths of the first and the last segment are strictly defined" @@ -175,4 +194,32 @@ minimum and maximum value of this parameter. \image html image147.gif "Example of a very rough mesh. Automatic Length works for 0." \image html image148.gif "Example of a very fine mesh. Automatic Length works for 1." + +
+\anchor fixed_points_1d_anchor +

Fixed points 1D hypothesis

+ +Fixed points 1D hypothesis allows splitting edges through a +set of points parameterized on the edge (from 1 to 0) and a number of segments for each +interval limited by the points. + +\image html hypo_fixedpnt_dlg.png + +It is possible to check in Same Nb. Segments for all intervals +option and to define one value for all intervals. + +The splitting direction is defined by the orientation of the +underlying geometrical edge. "Reverse Edges" list box allows to +specify the edges for which the splitting should be made in the +direction opposite to their orientation. This list box is enabled only +if the geometrical object is selected for meshing. In this case it is +possible to select the edges to be reversed either directly picking them in +the 3D viewer or selecting the edges or groups of edges in the +Object browser. + +\image html mesh_fixedpnt.png "Example of a submesh on the edge built using Fixed points 1D hypothesis" + +See Also a sample TUI Script of a +\ref tui_fixed_points "Defining Fixed Points" hypothesis operation. + */