این گروههای ویژگی مواد برای مدلهای مواد در مکانیک جامدات با استفاده از ماژول غیرخطی مواد ساختاری (شامل خواص فیزیکی مرتبط با آنها) را میتوان از پنجره مواد به مدلها اضافه کرد.
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PROPERTY GROUP AND PROPERTY
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NAME/VARIABLE
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SI UNIT
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ELASTOPLASTIC MATERIAL
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Hardening function
|
sigmagh
|
Pa
|
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Hill’s coefficients
|
Hillcoefficients
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(m2·s4)/kg2
|
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Initial tensile and shear yield stresses
|
ys
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N/m2
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Initial yield stress
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sigmags
|
Pa
|
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Isotropic tangent modulus
|
Et
|
Pa
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Kinematic tangent modulus
|
Ek
|
Pa
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ARMSTRONG-FREDERICK
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||
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Kinematic hardening modulus
|
Ck
|
Pa
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Kinematic hardening parameter
|
gammak
|
1
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CHABOCHE
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||
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Kinematic hardening modulus
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Ck0_cha
|
Pa
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LUDWIK
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||
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Strength coefficient
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k_lud
|
Pa
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Hardening exponent
|
n_lud
|
1
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SWIFT
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||
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Reference strain
|
e0_swi
|
1
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Hardening exponent
|
n_swi
|
1
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VOCE
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||
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Saturation flow stress
|
sigma_voc
|
Pa
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Saturation exponent
|
beta_voc
|
1
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HOCKETT-SHERBY
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||
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Steady-state flow stress
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sigma_hoc
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Pa
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Saturation coefficient
|
m_hoc
|
1
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Saturation exponent
|
n_hoc
|
1
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CREEP
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||
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NORTON
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||
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Creep rate coefficient
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A_nor
|
1/s
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Reference stress
|
sigRef_nor
|
Pa
|
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Stress exponent
|
n_nor
|
1
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GAROFALO (HYPERBOLIC SINE)
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||
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Creep rate coefficient
|
A_gar
|
1/s
|
|
Reference stress
|
sigRef_gar
|
Pa
|
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Stress exponent
|
n_gar
|
1
|
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NABARRO-HERRING
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||
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Volume diffusivity
|
D_nav
|
m2/s
|
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Burgers vector
|
b_nav
|
m
|
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Grain diameter
|
dg_nav
|
m
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|
COBLE
|
||
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Ionic diffusivity
|
D_cob
|
m2/s
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Burgers vector
|
b_cob
|
m
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Grain diameter
|
dg_cob
|
m
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WEERTMAN
|
||
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Diffusivity
|
D_wee
|
m2/s
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Burgers vector
|
b_wee
|
m
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Stress exponent
|
n_wee
|
1
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Reference stress
|
sigRef_wee
|
Pa
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VISCOPLASTIC MATERIAL
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||
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ANAND
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||
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Viscoplastic rate coefficient
|
A_ana
|
1/s
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Activation energy
|
Q_ana
|
J/mol
|
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Multiplier of stress
|
xi_ana
|
1
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Stress sensitivity
|
m_ana
|
1
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Deformation resistance saturation coefficient
|
s0_ana
|
Pa
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Deformation resistance initial value
|
sa_init
|
Pa
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Hardening constant
|
h0_ana
|
Pa
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Hardening sensitivity
|
a_ana
|
1
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Deformation resistance sensitivity
|
n_ana
|
1
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CHABOCHE
|
||
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Viscoplastic rate coefficient
|
A_cha
|
1/s
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Reference stress
|
sigRef_cha
|
Pa
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Stress exponent
|
n_cha
|
1
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PREZYNA
|
||
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Viscoplastic rate coefficient
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A_per
|
1/s
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Reference stress
|
sigRef_per
|
Pa
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POROPLASTIC MATERIAL
|
||
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Initial yield stress
|
sigmags
|
Pa
|
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Shima-Oyane alpha parameter
|
alphaShima
|
1
|
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Shima-Oyane gamma parameter
|
gammaShima
|
1
|
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Shima-Oyane m parameter
|
mShima
|
1
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Initial void volume fraction
|
f0
|
1
|
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Critical void volume fraction
|
fc
|
1
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Failure void volume fraction
|
ff
|
1
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Tvergaard correction coefficient q1
|
q1GTN
|
1
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Tvergaard correction coefficient q2
|
q2GTN
|
1
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Tvergaard correction coefficient q3
|
q3GTN
|
1
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Maximum void volume fraction
|
fmax
|
1
|
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NONLINEAR ELASTIC MATERIAL
|
||
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Reference stress
|
sigRef
|
Pa
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Reference strain
|
eRef
|
1
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Stress exponent
|
n_stress
|
1
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Reference shear strain
|
gammaRef
|
1
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Strain exponent
|
n_strain
|
1
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Bulk modulus in tension
|
Kt
|
Pa
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Bulk modulus in compression
|
Kc
|
Pa
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Ultimate deviatoric stress
|
q_ult
|
Pa
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Ultimate strain
|
e_ult
|
1
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ELASTOPLASTIC SOIL MATERIAL
|
||
|
CAM-CLAY
|
||
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Swelling index
|
kappaSwelling
|
1
|
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Compression index
|
lambdaComp
|
1
|
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Void ratio at reference pressure
|
evoidref
|
1
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Slope of critical state line
|
M
|
1
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STRUCTURED CAM-CLAY
|
||
|
Swelling index for structured clay
|
kappaSwellingS
|
1
|
|
Compression index for destructured clay
|
lambdaCompS
|
1
|
|
Void ratio at reference pressure for destructured clay
|
evoidrefS
|
1
|
|
Destructuring index for volumetric deformation
|
dvS
|
1
|
|
Destructuring index for shear deformation
|
dsS
|
1
|
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Slope of critical state line
|
M
|
1
|
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Additional void ratio at initial yielding
|
Deltaei
|
1
|
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Initial structure strength
|
pbi
|
Pa
|
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Plastic potential shape parameter
|
zetaS
|
1
|
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Critical effective deviatoric plastic strain
|
epdevc
|
1
|
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BARCELONA BASIC
|
||
|
Swelling index
|
kappaSwelling
|
1
|
|
Swelling index for changes in suction
|
kappaSwellings
|
1
|
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Compression index at saturation
|
lambdaComp0
|
1
|
|
Weight parameter
|
wB
|
1
|
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Soil stiffness parameter
|
mB
|
Pa
|
|
Plastic potential smoothing parameter
|
bB
|
1
|
|
Tension to suction ratio
|
kB
|
1
|
|
Void ratio at reference pressure and saturation
|
evoidref0
|
1
|
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Initial yield value for suction
|
sy0
|
Pa
|
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HARDENING SOIL
|
||
|
Reference stiffness for primary loading
|
E50Ref
|
Pa
|
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Reference stiffness for unloading and reloading
|
EurRef
|
Pa
|
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Stress exponent
|
mH
|
1
|
|
Bulk modulus in compression
|
Kc
|
Pa
|
|
Void ratio at reference pressure
|
evoidref
|
1
|
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HYPERELASTIC MATERIALS
|
||
|
ARRUDA-BOYCE
|
||
|
Macroscopic shear modulus
|
mu0
|
N/m2
|
|
Number of segments
|
Nseg
|
1
|
|
BLATZ-KO
|
||
|
Model parameters
|
phiBK
|
1
|
|
Model parameters
|
betaBK
|
1
|
|
Shear modulus
|
muBK
|
Pa
|
|
GAO
|
||
|
Model parameters
|
aG
|
Pa
|
|
Model parameters
|
nG
|
1
|
|
GENT
|
||
|
Macroscopic shear modulus
|
muG
|
Pa
|
|
Model parameters
|
jmG
|
1
|
|
MOONEY-RIVLIN
|
||
|
Model parameters
|
C01, C02, C03, C10, C11, C12, C20, C21, C30
|
Pa
|
|
MURNAGHAN
|
The Murnaghan node adds five model parameters. The model is based on strain invariants and is typically used in acoustoelasticity.
|
|
|
Murnaghan third-order elastic moduli
|
l
|
Pa
|
|
Murnaghan third-order elastic moduli
|
m
|
Pa
|
|
Murnaghan third-order elastic moduli
|
n
|
Pa
|
|
Lamé parameter λ
|
lambLame
|
Pa
|
|
Lamé parameter μ
|
muLame
|
Pa
|
|
VARGA
|
||
|
Model parameters
|
c1VA
|
Pa
|
|
Model parameters
|
c2VA
|
Pa
|
|
YEOH
|
||
|
Model parameters
|
c1YE
|
Pa
|
|
Model parameters
|
c2YE
|
Pa
|
|
Model parameters
|
c3YE
|
Pa
|
