Differences

This shows you the differences between two versions of the page.

--- doc:user:geometry:mesh:3d [2015/05/22 19:31] – [Mesher by extrusion] papeleux
+++ doc:user:geometry:mesh:3d [2021/11/19 14:52] (current) – papeleux
@@ Line 19: / Line 19: @@
 | ''type''   | = ''True'' if mesh elements must be generated (''CELL_HEXA'')\\ = ''False''  if only nodes must be generated (useful to debug only)      |
-In this case, the ''[[doc:user:geometry:user:peaux|Skin]]'' must be defined tith the orientation shown below:
+In this case, the ''[[doc:user:geometry:user:peaux|Skin]]'' must be defined with the orientation shown below:
 {{ doc:user:mesh-3d-2.gif |Définition de la skin du domaine pour l'autodétection}}
@@ Line 85: / Line 85: @@
 === Example ====
-Extrusion of a circle pierced by a square (see ''apps.qs.extruMesher3d'' and ''apps.qs.extruMesher3dTx'' or ''apps.qs.extruMesher3dTorsion'' for modified extrusions).
+Extrusion of a circle pierced by a square (see ''apps.qs.extruMesher3d'' and ''apps.qs.extruMesher3dTx'' or ''apps.qs.extruMesher3dTorsion'' ''apps.qs.extruMesher3dDist03'' for modified extrusions).
 {{commit:2006:extru2_000.jpg?200|Extrusion d'un cercle troué}}
 {{:doc:user:geometry:mesh:extrusionmeshertx.jpg?150|setXfct(fctX) }}
 {{:doc:user:geometry:mesh:extrusionmesherrot.jpg?150|setAnglefct(fctAngle)}}
+{{:doc:user:geometry:mesh:extrusionmesherDist.png?100|setNbOfLayers(10,0.3)}}
 The definition and meshing of the circle can be seen in the the file. To extrude the result (''[[doc:user:geometry:user:faces|Side]]'' #1):
@@ Line 96: / Line 97: @@
   mesher.setFillGroup(True)
   mesher.setDirection(0.0,0.0,1.0)
-  mesher.setLength(8)
+  mesher.setLength(length)
-  mesher.setNbOfLayers(10)
+  mesher.setNbOfLayers(nLayers, dist = 1.0)
   mesher.setAnglefct(fctAngle)
   mesher.setXfct(fctX)
@@ Line 109: / Line 110: @@
 | setLength        | length of the extrusion |
-| setNbOfLayers    | number of extruded elements                                                         |
+| setNbOfLayers    | nLayers : number of extruded elements                                          |
+|                  | dist  : ratio between the length of the last and first element (default : dist = 1.0) |
 | setAnglefct(fctAngle)	| Application of a rotation of slices around extrusion vector (direction 'z' but starting from origin!!!) |
-| fctAngle | One parameter defining rotation of slices function in degrees (t) - t=[0,1] |
+| fctAngle | One parameter defining rotation of slices function in degrees (t) - t=[0,1] ATTENTION : fctAngle(0) = 0 |
 | setXfct(fctX)	| Application of a modification of the generatrice direction in X Direction |
 | setYfct(fctY)	| Application of a modification of the generatrice direction in Y Direction |
-| fctX/fctY | One parameter defining modification of generatrice : fct(t) - t=[0,1] |
+| fctX/fctY | One parameter defining modification of generatrice : fct(t) - ATTENTION t=[0,Length] and fctX/fctY(0) = 0 |
 | execute          | execute the extrusion                                                               |
 | getLastLayer(no) | returns the group grpNo (number ''no'') which contains the nodes of the last layer  |
@@ Line 189: / Line 191: @@
   mesher.execute()
-| gobject          | Meshed 2D geometrical entity                                                              |
+| gobject          | Meshed 2D geometrical entity                                                            |
-| group            | Group father of the 3D mesh elements                                                             |
+| group            | Group father of the 3D mesh elements                                                    |
-| axe              | Line which defines the revolution axis                                       |
+| axe              | Line which defines the revolution axis                                                  |
-| setLength        | length of the extrusion                                                                    |
+| setAngle         | Angle of the extrusion (in degrees 0.0 < angle <= 360.0 - default = 180.0)              |
 | setNbOfLayers    | number of extruded elements                                                             |
+| setFillGroup     | fill the reference group with all nodes (base & generated)                              |
 | execute          | executes the extrusion                                                                  |
+| getLastLayer     | return the group of the last layer (if not closed extrusion)                            |
 ==== Example ====
 {{:commit:2012:revolutionextusion1.png?200|}} {{:commit:2012:revolutionextrusion2.png?200|}} {{:commit:2012:revolutionextrusion3.png?200|}}