4. Example of use#

4.1. Bar cracked with X- FEM (treated by the SSNV173A test)#

4.1.1. Initial volume mesh (not cracked)#

Mesh composed of a single HEXA8 mesh

_images/1000000000000205000004235B6529836099BEF2.jpg

4.1.2. Excerpt from the command file#

DEBUT ();


# Model definition

MODELEIN = AFFE_MODELE (MAILLAGE = MAILLAG2,

AFFE =_F (GROUP_MA =” VOL “, PHENOMENE =” MECANIQUE “, MODELISATION = “3D”,),);

# Definition of the crack (plane)

LN= FORMULE (NOM_PARA =( “X”, “Y”, “Z”), VALE =”Z-12.5”);

LT= FORMULE (NOM_PARA =( “X”, “Y”, “Z”), VALE =”X-10”);

FISS = DEFI_FISS_XFEM (MODELE = MODELEIN,

DEFI_FISS =_F (FONC_LT =LT, FONC_LN =LN,), GROUP_MA_ENRI =” VOL “,);

# Taking the crack into account in the model

MODELEK = MODI_MODELE_XFEM (MODELE_IN = MODELEIN,

FISSURE = FISS, INFO =2,);

# Crack mesh design

MA_XFEM = POST_MAIL_XFEM (MODELE = MODELEK,);

FIN ();

4.1.3. Cracked mesh#

_images/1000000000000285000004237D485C44F604E24B.jpg