Mechanical APDL Structural Analysis Guide

(lily) #1
TB,HILL,1,2! HILL TABLE
TBTEMP,100
TBDATA,1,1,1.0402,1.24897,1.07895,1,1
TBTEMP,200
TBDATA,1,0.9,0.94,1.124,0.97,0.9,0.9

TB,BISO,1,2! BISO TABLE
TBTEMP,100
TBDATA,1,461.0,374.586
TBTEMP,200
TBDATA,1,400.0,325.0

For information about the HILL option, see Generalized Hill.


For information about the BISO option, see Bilinear Isotropic Hardening.


8.4.2.25. HILL and MISO Example.


This input listing illustrat es an example of modeling anisotropic plasticity with multilinear isotropic
hardening.


MP,EX,1,20.0E5! ELASTIC CONSTANTS
MP,NUXY,1,0.3
TB,MISO,1! MISO TABLE
TBPT,,0.015,30000
TBPT,,0.020,32000
TBPT,,0.025,33800
TBPT,,0.030,35000
TBPT,,0.040,36500
TBPT,,0.050,38000
TBPT,,0.060,39000
TB,HILL,1! HILL TABLE
TBDATA,1,1.0,1.1,0.9,0.85,0.9,0.80

For information about the HILL option, see Generalized Hill.


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


8.4.2.26. HILL and PLAS (Multilinear Isotropic Hardening) 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 HILL anisotropic plasticity in the following ex-
ample:


MP,EX,1,20.0E5! ELASTIC CONSTANTS
MP,NUXY,1,0.3
TB,PLAS,,,,MISO! MISO TABLE
TBPT,,0.00000,30000
TBPT,,4.00E-3,32000
TBPT,,8.10E-3,33800
TBPT,,1.25E-2,35000
TBPT,,2.18E-2,36500
TBPT,,3.10E-2,38000
TBPT,,4.05E-2,39000

TB,HILL,1! HILL TABLE
TBDATA,1,1.0,1.1,0.9,0.85,0.9,0.80

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


For information about the HILL option, see Generalized Hill.


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Modeling Material Nonlinearities
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