Mechanical APDL Structural Analysis Guide

(lily) #1
TB,MISO,1! MISO TABLE
TBPT,,9.7E-4,180
TBPT,,1.0,380

For information about the MISO option, see Multilinear Isotropic Hardening.


For information about the CHAB option, see Nonlinear Kinematic Hardening.


8.4.2.7. PLAS (Multilinear Isotropic Hardening) and CHAB Example.


In addition to the TB,MISO example (above), you can also use material plasticity. The multilinear isotropic
hardening option - TB,PLAS, , , ,MISO is combined with Chaboche nonlinear kinematic hardening in the
following example:


MP,EX,1,185E3! ELASTIC CONSTANTS
MP,NUXY,1,0.3
TB,CHAB,1! CHABOCHE TABLE
TBDATA,1,180,100,3! THIS EXAMPLE ISOTHERMAL

TB,PLAS,,,,MISO! MISO TABLE
TBPT,,0.0,180
TBPT,,0.99795,380

For information about the MISO option, see Multilinear Isotropic Hardening.


For information about the CHAB option, see Nonlinear Kinematic Hardening.


8.4.2.8. NLISO and CHAB Example.


This input listing illustrat es an example of combining nonlinear isotropic hardening plasticity with
Chaboche nonlinear kinematic hardening plasticity.


MP,EX,1,20.0E5! ELASTIC CONSTANTS
MP,NUXY,1,0.3
TB,CHAB,1,3,5! CHABOCHE TABLE
TBTEMP,20,1! THIS EXAMPLE TEMPERATURE DEPENDENT
TBDATA,1,500,20000,100,40000,200,10000
TBDATA,7,1000,200,100,100,0
TBTEMP,40,2
TBDATA,1,880,204000,200,43800,500,10200
TBDATA,7,1000,2600,2000,500,0
TBTEMP,60,3
TBDATA,1,1080,244000,400,45800,700,12200
TBDATA,7,1400,3000,2800,900,0
TB,NLISO,1,2! NLISO TABLE
TBTEMP,40,1
TBDATA,1,880,0.0,80.0,3
TBTEMP,60,2
TBDATA,1,1080,0.0,120.0,7

For information about the NLISO option, see Nonlinear Isotropic Hardening.


For information about the CHAB option, see Nonlinear Kinematic Hardening.


8.4.2.9. PLAS (Multilinear Isotropic Hardening) and EDP Example.


You can use the TB,PLAS capability in conjunction with Extended Drucker-Prager plasticity. The multi-
linear isotropic hardening option - TB,PLAS, , , ,MISO is combined with Extended Drucker-Prager plasticity
in the following example:


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Nonlinear Structural Analysis

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