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MODAL FILE
13.12
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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 contr ol the writing
of ge neralized coordinate (modal amplitude and phase) values or eigendata to the ABAQUS /Standard resul ts
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 mo de-based dynamic procedures .
Set this parameter equal to the output frequency, in increments. 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 eig endata 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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