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100

101

VISCOUS

21.5

VISCOUS: Specify viscous material properties for the two-layer viscoplastic model.

This option is used to d eﬁne the viscous properties for the two-layer viscoplastic ma terial model. It must b e

used in conjunction with the

ELASTIC and

PLASTIC options.

Product: ABAQUS/Standard

Type: Model data

Level: Model

References:

•

“Two-layer viscoplasticity,” Section 18.2.11 of the A BAQU S Analysis User ’s Manual

• *

ELASTIC

• *

PLASTIC

• *

POTENTIAL

Optional parameters:

DEPENDENCIES

Set this parameter equal to the number of ﬁeld variable dependencies included in the deﬁnition of

the material properties, in addition to temperature. If this parameter is omitted, it is assumed that

the material properties depend only on tem perature. See “Specifying ﬁeld variable dependence”

in “Material data deﬁnition,” Section 16.1.2 of the ABAQUS Analysis User’s Manual, for more

information.

LAW

Set LAW=STRAIN (default) to choose a strain-hardening power law.

Set LAW=TIME to choose a time-hardening power la w.

Set LAW=USER to input the creep law using user subroutine CREEP.

Data lines for LAW=TIME or LAW=STRAIN:

First line:

1. A. (Units of F L T .)

2. n.

3. m.

4. f.

5. Temperature.

6. First ﬁeld variable.

21.5–1

ABAQUS Version 6.1 Module:

ID:

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