tb#
- Mapdl.tb(lab='', mat='', ntemp='', npts='', tbopt='', eosopt='', funcname='', **kwargs)#
APDL Command: TB
Activates a data table for material properties or special element input.
- Parameters:
- lab
Material model data table type:
- AFDM
Acoustic frequency-dependent material.
- AHYPER
Anisotropic hyperelasticity.
- ANEL
Anisotropic elasticity.
- ANISO
Anisotropic plasticity.
- BB
Bergstrom-Boyce.
- BH
Magnetic field data.
- BISO
Bilinear isotropic hardening using von Mises or Hill plasticity.
- BKIN
Bilinear kinematic hardening using von Mises or Hill plasticity.
- CAST
Cast iron.
- CDM
Mullins effect (for isotropic hyperelasticity models).
- CGCR
Fracture criterion for crack-growth simulation (
CGROW
).- CHABOCHE
Chaboche nonlinear kinematic hardening using von Mises or Hill plasticity.
- COMP
Composite damage (explicit dynamic analysis).
- CONCR
Concrete element data.
- CREEP
Creep. Pure creep, creep with isotropic hardening plasticity, or creep with kinematic hardening plasticity using both von Mises or Hill potentials.
- CTE
Secant coefficient of thermal expansion.
- CZM
Cohesive zone.
- DISCRETE
Explicit spring-damper (discrete).
- DMGE
Damage evolution law.
- DMGI
Damage initiation criteria.
- DP
Classic Drucker-Prager plasticity.
- DPER
Anisotropic electric permittivity.
- EDP
Extended Drucker-Prager (for granular materials such as rock, concrete, soil, ceramics and other pressure-dependent materials).
- ELASTIC
Elasticity. For full harmonic analyses, properties can be defined as frequency- or temperature-dependent (
TBFIELD
).- EOS
Equation of state (explicit dynamic analysis).
- EVISC
Viscoelastic element data (explicit dynamic analysis).
- EXPE
Experimental data.
- FCON
Fluid conductance data (explicit dynamic analysis).
- FCLI
Material strength limits for calculating failure criteria.
- FLUID
Fluid.
- FOAM
Foam (explicit dynamic analysis).
- FRIC
Coefficient of friction based on Coulomb’s Law or user-defined friction.
- GASKET
Gasket.
- GCAP
Geological cap (explicit dynamic analysis).
- GURSON
Gurson pressure-dependent plasticity for porous metals.
- HFLM
Film coefficient data.
- HILL
Hill anisotropy. When combined with other material options, simulates plasticity, viscoplasticity, and creep – all with the Hill potential.
- HONEY
Honeycomb (explicit dynamic analysis).
- HYPER
Hyperelasticity material models (Arruda-Boyce, Blatz-Ko, Extended Tube, Gent, Mooney-Rivlin [default], Neo-Hookean, Ogden, Ogden Foam, Polynomial Form, Response Function, Yeoh, and user- defined).
- INTER
Contact interaction.
- JOIN
Joint (linear and nonlinear elastic stiffness, linear and nonlinear damping, and frictional behavior).
- JROCK
Jointed rock.
- MC
Mohr-Coulomb.
- MELAS
Multilinear elasticity .
- MIGR
Migration.
- MPLANE
Microplane.
- NLISO
Voce isotropic hardening law (or power law) for modeling nonlinear isotropic hardening using von Mises or Hill plasticity.
- PELAS
Porous elasticity.
- PERF
Perforated material for acoustics; equivalent fluid model of perforated media, poroelastic material model, and transfer admittance matrix.
- PIEZ
Piezoelectric matrix.
- PLASTIC
Nonlinear plasticity.
- PM
Porous media. Coupled pore-fluid diffusion and structural model of porous media.
- PRONY
Prony series constants for viscoelastic materials.
- PZRS
Piezoresistivity.
- RATE
Rate-dependent plasticity (viscoplasticity) when combined with the
BISO
,NLISO
orPLASTIC
material options, or rate-dependent anisotropic plasticity (anisotropic viscoplasticity) when combined with the HILL andBISO
,NLISO
orPLASTIC
material options.The exponential visco-hardening option includes an explicit function for directly defining static yield stresses of materials. The Anand unified plasticity option requires no combination with other material models.
- SDAMP
Material damping coefficients.
- SHIFT
Shift function for viscoelastic materials.
- SMA
Shape memory alloy for simulating hysteresis superelastic behavior with no performance degradation. Plane stress is not supported.
- SOIL
Soil models.
- STATE
User-defined state variables. Valid with
TB,USER
and used with either the UserMat or UserMatTh subroutine. Also valid withTB,CREEP
(whenTBOPT
= 100) and used with the UserCreep subroutine.- SWELL
Swelling strain function.
- TNM
Three-network model for viscoplastic materials.
- THERM
Thermal properties.
- USER
User-defined material model (general-purpose except for incompressible material models) or thermal material model.
- WEAR
Contact surface wear.
- XTAL
Crystal plasticity for elasto-viscoplastic crystalline materials.
- MATID
Material reference identification number. Valid value is any number
n
, where 0 <n
< 100,000. Default = 1.- NTEMP
The number of temperatures for which data will be provided (if applicable). Specify temperatures via the
TBTEMP
command.- NPTS
For most labels where
NPTS
is defined, the number of data points to be specified for a given temperature. Define data points via theTBDATA
orTBPT
commands.- FuncName
The name of the function to be used (entered as %tabname%, where tabname is the name of the table created by the Function Tool). Valid only when Lab =
JOIN
(joint element material) and nonlinear stiffness or damping are specified on theTBOPT
field (see “JOIN – Joint Element Specifications”). The function must be predefined via the Function Tool. To learn more about how to create a function, see Using the Function Tool in the Basic Analysis Guide- **kwargs
Extra arguments to be passed to
Mapdl.run
.