Plasticity Correction Factors

To reduce the long computation time that is associated with simulations using plastic material behavior, plastic strain can be approximated from linear elastic simulations using plasticity correction factors. It is available only with Abaqus sensitivities.

This page discusses:

Parameter Name

Formula

SIG_GLINKA_EEQ

 εe

SIG_GLINKA_PEEQ

 εp

SIG_GLINKA_SEQ

 σp

SIG_NEUBER_EEQ

 εp

SIG_NEUBER_PEEQ

 εp

SIG_NEUBER_SEQ

 σp

Analysis Types: Static Nonlinear Analysis

For the plasticity correction factors, the following table shows the allowed combinations between strategy and the items OBJ_FUNC and CONSTRAINT with C for controller-based optimization and S for sensitivity-based optimization.

TOPO

SHAPE

BEAD

SIZING

OBJ_FUNC

S

S

S

S

CONSTRAINT

S

S

S

S

Remarks

  1. Only elements of the element group (EL_GROUP) are applied in the calculation of the plasticity correction factors.