4. Examples#
4.1. Examples of uses for crystalline materials#
The following example is a typical use of MONOCRISTAL. It comes from test SSNV171B.
ACIER = DEFI_MATERIAU (
ELAS =_F (E=145200.0, NU=0.3,),
MONO_VISC2 =_F (N=10.0, K=40.0, C=40.0, C=1.0, D=36.68, A=10.0,),
MONO_ISOT2 =_F (R_0=75.5, Q1=9.77, B1=9.77, B1=19.34, H=0.5, Q2=-33.27, B2=5.345,),
MONO_CINE1 =_F (D=36.68,),
)
COMPORT = DEFI_COMPOR (
MONOCRISTAL =_F (MATER = ACIER, ELAS =” ELAS “,
ECOULEMENT =” MONO_VISC2 “,
ECRO_ISOT =” MONO_ISOT2 “,
ECRO_CINE =” MONO_CINE1 “,
FAMI_SYST_GLIS =” OCTAEDRIQUE “,),
)
The following example, implementing POLYCRISTAL, is from the SSNV171B test:
MATPOLY = DEFI_MATERIAU (
ELAS =_F (E=192500.0, NU=0.3,),
MONO_VISC2 =_F (N=10.0, K=40.0, C=40.0, C=6333.0, D=36.68, A=72.21,),
MONO_ISOT2 =_F (R_0=75.5, Q1=9.77, B1=9.77, B1=19.34, H=2.54, Q2=-33.27, B2=5.345,),
MONO_CINE1 =_F (D=36.68,),
)
MONO1 = DEFI_COMPOR (
MONOCRISTAL =_F (MATER = MATPOLY, ELAS =” ELAS “,
ECOULEMENT =” MONO_VISC2 “,
ECRO_ISOT =” MONO_ISOT2 “,
ECRO_CINE =” MONO_CINE1 “,
FAMI_SYST_GLIS =” OCTAEDRIQUE “,),
)
POLY1 = DEFI_COMPOR (
POLYCRISTAL =(
_F (MONOCRISTAL = MONO1, FRAC_VOL =0.025,
ANGL_REP =( -149.67,15.61,154.67,),),
_F (MONOCRISTAL = MONO1, FRAC_VOL =0.025,
ANGL_REP =( -481.7,35.46,188.7),),
),
MU_LOCA = 82500
LOCALISATION =” BETA “, DL=321.5, DA=0.216,
)
4.2. Example of use for multifibers#
The commands below illustrate the use of DEFI_COMPOR for multi-fiber behavior (see for example the SSNL119B test).
GF= DEFI_GEOM_FIBRE (
FIBRE =_F (GROUP_FIBRE =” SACI “, CARA =” DIAMETRE “,
COOR_AXE_POUTRE = (0.,0.,),
VALE =( 0.066, -0.218, 32.E-3,
0.066, -0.218, 32.E-3,
0.066, 0.218, 8.E-3,
0.066, 0.218,8.E-3,),),
),
SECTION =_F (GROUP_FIBRE =” SBET “, MAILLAGE_SECT = MASEC,
TOUT_SECT =” OUI “,
COOR_AXE_POUTRE = (0., 0.,),
),
)
MOPOU = AFFE_MODELE (
MAILLAGE = MAPOU,
AFFE =_F (TOUT =” OUI “, PHENOMENE =” MECANIQUE”, MODELISATION =” POU_D_EM “,),
)
# Concrete
EB = 37272.0E+06
BETON = DEFI_MATER_GC (
MAZARS =_F (UNITE_LONGUEUR = “M”, FCJ =40.963E+06, EIJ =EB,
EPSI_C =1.75754E-03, AT=1.0, NU=0.2,),
RHO =2400.0, INFO =2,
)
ACIER = DEFI_MATER_GC (
ACIER =_F (E = 2.0E+11, D_ SIGM_EPSI =3.28E+9, SY=4.E+8,),
RHO =7800.0,
)
MATOR = DEFI_MATERIAU (ELAS =_F (E=2.E11, NU=0.0, RHO =7800.0,))
POUCA = AFFE_CARA_ELEM (
MODELE = MOPOU,
POUTRE =_F (GROUP_MA =” POUTRE “, SECTION =” RECTANGLE”,
CARA =( “HY”, “HZ”), VALE =( 0.2,0.5),
PREC_AIRE =5.0, PREC_INERTIE =10.0,),
ORIENTATION =_F (GROUP_MA =” POUTRE “, CARA =” ANGL_VRIL”, VALE =-90.0,),
GEOM_FIBRE =GF,
MULTIFIBRE =_F (GROUP_MA =” POUTRE “, GROUP_FIBRE =(” SBET “,” SACI “)),
)
COMPPMF = DEFI_COMPOR (GEOM_FIBRE =GF, MATER_SECT = MATOR,
MULTIFIBRE =(
_F (GROUP_FIBRE =” SACI “, MATER = ACIER, RELATION =” VMIS_CINE_LINE”),
_F (GROUP_FIBRE =” SBET “, MATER = BETON, RELATION =” MAZARS_UNIL”),
),
)