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EPState

This command is used to set the Elasto-Plastic State, which includes two states.

To set the initial stress tensor to variable sts, if stressp $sts is used in eps:

set sts "$sigma_xx $sigma_xy $sigma_xz $sigma_yx $sigma_yy $sigma_yz $sigma_zx $sigma_zy $sigma_zz"

To assign to the Elasto-Plastic state variable eps the specified state parameters

set eps "<-NOD $nt> -NOS $ns $scalar1 $scalar2 ... <-stressp $sts>"

$sigma_xx $sigma_xy $sigma_xz $sigma_yx $sigma_yy $sigma_yz $sigma_zx $sigma_zy $sigma_zz

Initial stress tensor components (Default = 0.0),

$nt

number of tensorial internal variables

$ns

number of scalar internal variables

$scalar1 $scalar2 ...

corresponding initial values of scalar internal variables

$sts

initial stresses

See Also

Template Elasto-Plastic Material

Yield Surface

Potential Surface

Evolution Law