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DESVAR

DESVAR

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DESVAR

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Subcase Information Entry

DESVAR – Data Selection

Description

The DESVAR command can be used in the Subcase Information section to select a set of design variables for use in an optimization run.

Format

DESVAR = option

Argument

Options

Description

option

<ALL, SID >

Default = ALL

ALL:

All design variables in the input data, as defined by DESVAR bulk data entries, are used in the optimization.

SID:

The ID of a SET Bulk Data Entry definition. Only those design variables, as defined by DESVAR bulk data entries with IDs appearing in the referenced SET entry are considered in the optimization.

Comments

1.Only one DESVAR command may appear in the Subcase Information section and should appear before the first SUBCASE statement.
2.The DESVAR command is optional. If it is absent, all DESVAR bulk data entries will be used.
3.DESVAR bulk data entries that are not selected by this command are frozen at their initial values (that is same as setting XINIT=XLB=XUB) and all referenced properties will still be governed by the DESVAR settings.

See Also:

Subcase Information Section

Subcase Information Entries by Function

The Input File