Mechanical APDL Structural Analysis Guide

TB,NLISO,1! NLISO TABLE

TBDATA,1,30000,100000,5200,172

TB,RATE,1,,,PERZYNA! RATE TABLE

TBDATA,1,0.5,1

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

For information about the RATE option, see Rate-Dependent Viscoplastic Materials and Viscoplasti-
city (p. 213).

8.4.2.19. BISO and CREEP Example.

This input listing illustrat es an example of combining bilinear isotropic hardening plasticity with implicit
creep.

MP,EX,1,20.0E5! ELASTIC CONSTANTS

MP,NUXY,1,0.3

TB,BISO,1! BISO TABLE

TBDATA,1,9000,10000

TB,CREEP,1,,,2! CREEP TABLE

TBDATA,1,1.5625E-14,5.0,-0.5,0.0

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

For information about the CREEP option, see Implicit Creep Equations and Implicit Creep Proced-
ure (p. 211).

8.4.2.20. MISO and CREEP Example.

This input listing illustrat es an example of combining multilinear isotropic hardening plasticity with
implicit creep.

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,CREEP,1,,,2! CREEP TABLE

TBDATA,1,1.5625E-14,5.0,-0.5,0.0

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

For information about the CREEP option, see Implicit Creep Equations and Implicit Creep Proced-
ure (p. 211).

8.4.2.21. PLAS (Multilinear Isotropic Hardening) and CREEP 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 implicit CREEP in the following example:

MP,EX,1,20.0E5! ELASTIC CONSTANTS

MP,NUXY,1,0.3

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Modeling Material Nonlinearities