Abaqus Volume II: I–Z Instrukcja Użytkownika Pobierz pdf (Strona 272)

100

101

PLANAR TEST DATA

Data lines to specify planar test data for hyperelasticity other than the Marlow model:

First line:

1. Nominal stress, .

2. Nominal strain in the direction of loading,

Repeat this data line as often as necessary to give the stress-strain data.

Data lines to specify planar test data for the Marlow model:

First line:

1. Nominal stress, .

2. Nominal strain,

3. Nominal lateral strain,

. Not needed if the POISSON parameter is speciﬁed on the

HYPERELASTIC option or if the

VOLUMETRIC TEST DATA option is used.

4. Temperature,

5. First ﬁeld variable.

6. Second ﬁeld variable.

7. Etc., up to four ﬁeld variables.

Subsequent lines (only needed if the DEPENDENCIES parameter has a value greater than four):

1. Fifth ﬁeld variable.

2. Etc., up to eight ﬁeld variables per line.

Repeat this set of data lines as often as necessary to deﬁne the test data as a function of temperature

and other predeﬁned ﬁeld variables. Nominal strains and nominal stresses must be given in ascending

order.

Using planar test data to deﬁne an elastomeric foam

References:

•

“Hyperelastic behavior in elastomeric foam s,” Section 17.5.2 of the ABAQUS Analysis U ser’s Manual

• *

HYPERFOAM

There are no parameters associated with this option.

Data lines to specify planar test data for a hyperfoam:

First line:

1. Nominal stress, .

2. Nominal strain in the dir ection of loading,

16.11–2

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Abaqus Volume II: I–Z Instrukcja Użytkownika Strona 272

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