3D Connexion Version 6.6

*STEADY STATE DETECTION

18.33 *STEADY STATE DETECTION: Specify steady-state requirements for terminating a

quasi-static uni-directional simulation.

This option is used to deﬁne the conditions that must be satisﬁed to determine that steady state ha s been

reached. It must be used in conjunction with the *STEADY STATECRITERIA option.

Product: ABAQUS/Explicit

Type: History data

Level: Step

References:

•“Steady-state detection,” Section11.8.1 of the ABAQUS Analysis User’s Manual

•“Output to the output database,” Section 4.1.3 of the ABAQUS Analysis User ’sManual

•*STEADY STATECRITERIA

Required parameters:

ELSET

Setthis parameter equal to the name of the element set for which this steady-state detection deﬁnition

is being applied.

SAMPLING

This parameter is used to specify the method used to sample all steady-state norms associated with

this option. See “Steady-state detection,” Section 11.8.1of the ABAQUS Analysis User ’sManual,

for more information regarding steady-state norm deﬁni tions.

Set SAMPLING=PLANE BY PLANE to calculate the steady-state norms as each plane of

elements crosses the exit plane. This method should be used only for non-Eulerian analyses with

uniform planes of elements sequentially passing the exit plane.

Set SAMPLING=UNIFORM to calculate the steady-state norms at an interval deﬁnedby the

time required form aterialto ﬂow through an element of average length. Thisinterval is determined

at the beginning of the step and remains constant throughout the step. Thismethod should be used

only for analyses with material ﬂowing in and out of Eulerian boundary regions in the primary

direction.

Data line to deﬁne primary direction and cutting plane position:

First (and only) line:

1. First direction cosine of primary direction.

2. Seconddirection cosine of primary direction.

18.33–1

ABAQUS Version 6.1 Module: ID:

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