Abaqus Volume II: I–Z Manual do Utilizador descarregar pdf (Página 151)

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MODAL FILE

13.12

MODAL FILE: Write generalized coordinate (modal amplitude) data or eigendata to

the results ﬁle during a mode-based dynamic or eigenvalue extraction procedure.

This option is used during mode-based dynamic or eigenvalue extraction procedures to control the writ ing

of generalized coordinate (mo dal amplitude and phase) v alues or eigendata to the ABAQUS/Standard results

ﬁle.

Product: ABAQUS/Standard

Type: History data

Level: Step

Reference:

•

“Output to the data and results ﬁles,” Section 4.1.2 of the ABAQUS Analysis User’s Manual

Optional parameter:

FREQUENCY

This parameter is valid only in mode-based dynamic procedures.

Set this parameter equal to the output frequency, in increm ents. The output will always be

written to the results ﬁle at the last increment of each step unless FREQUENCY=0. The default is

FREQUENCY=1. Set FREQUENCY=0 to suppress the output.

Data lines to request modal output in the results ﬁle during mode-based dynamic procedures:

First line:

1. Give the identifying keys for the variables to be written to the results ﬁle. The keys are

deﬁned in the “Modal variables” section of “ABAQUS/Standard output variable identiﬁers,”

Section 4.2.1 of the ABAQUS Analysis User’s Manual.

Repeat this data line as often as necessary.

To write eigendata during an eigenvalue extraction procedure:

No data lines are required; the eigendata are written automatically.

13.12–1

ABAQUS Version 6.1 Module:

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Abaqus Volume II: I–Z Manual do Utilizador Página 151

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