--- /dev/null
+.. _tutorials:\r
+\r
+#######################\r
+Tutorials\r
+#######################\r
+\r
+This tutorial aims at giving important steps of the use of « Bloc Fissure ». Those steps are the standard procedure that the user should apply to avoid « Bloc Fissure » failure and unexpected problem in the modelisation afterwards.\r
+\r
+First, the user should ask himself if its case is compatible with « Bloc Fissure ». See the section on :ref:`limitations <recommendations>`.\r
+\r
+1) Convert elements from quadratic to linear\r
+\r
+Mesh Module: Modification > Convert to/from quadratic\r
+\r
+2) Change the orientation of all faces to set them to outgoing\r
+\r
+Mesh Module: Modification > Reorient faces\r
+\r
+3) Verify that the crack exceeds everywhere from the structure. If it's not the case, move or extend the crack geometry.\r
+\r
+4) Verify that the crack front edges don't stop right at the Box surface.\r
+\r
+**Here are some advices :**\r
+\r
+*To move the crack:*\r
+\r
+GEOM Module: Operations > Transformation > Translation\r
+\r
+*First way to extend the crack geometry in GEOM module:*\r
+ - Operations > Explode: Choose the crack geometry and explode into Edges\r
+ - Operation > Transformations > Extension: extend the length of the crack edges\r
+ - Rebuild edges to get a closed group of edges exceeding from the structure\r
+ - New Entity > Build > Wire: Create a wire from the edges\r
+ - New Entity > Build > Face: Create a face from the wire\r
+ - Get the new crack front edge number\r
+\r
++-----------------------------------+-----------------------------------+-----------------------------------+-----------------------------------+\r
+| .. image:: images/tutorial_1.png | .. image:: images/tutorial_2.png | .. image:: images/tutorial_3.png | .. image:: images/tutorial_4.png |\r
+| :height: 200 | :height: 200 | :height: 200 | :height: 200 |\r
+| :align: center | :align: center | :align: center | :align: center |\r
++-----------------------------------+-----------------------------------+-----------------------------------+-----------------------------------+\r
+| Initial bad crack geometry | Explode face into edges | Extend front edge and | Rebuild crack face |\r
+| | | rebuild wire | |\r
++-----------------------------------+-----------------------------------+-----------------------------------+-----------------------------------+\r
+\r
+*second way to extend the crack geometry in GEOM module:*\r
+ - Create new surfaces linked to the original crack geometry\r
+ - Fuse the surfaces to get an extended crack\r
+\r
+5) Execute the « Bloc Fissure » script and check that it ended successfully.\r
+\r
+6) Reorient faces to outgoing normal\r
+\r
+7) Rebuild groups impacted by crack insertion\r
+\r
+8) Export the cracked mesh\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
