*MODAL FILE
13.12 *MODAL FILE: Write generalized coordinate (modal amplitude)data or eigendata to
the results file during a mode-based dynamic or eigenvalueextraction procedure.
This option is used during mode-based dynamic or eigenvalue extraction procedur es to control the writing
of generalized coordinate (modal amplitude and phase) values or eigendata to the A BAQUS/Standard results
file.
Product: ABAQUS/Standard
Type: History data
Level: Step
Reference:
“Output to the data and results files,” Section4.1.2 of the ABAQUS Analysis User ’sManual
Optional parameter:
FREQUENCY
This parameter is valid only in mode-based dynam ic procedures.
Set this parameter equal to the output frequency, in increments. The output will always be
written to the results file atthe last increment of each step unless FREQUENCY=0. Thedefault is
FREQUENCY=1. Set FREQUENCY=0 to suppress the output.
Data lines to request modal output in the results file duringmode-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/Standardoutput variable identifiers,”
Section 4.2.1 of the ABAQUS Analysis User’sManual.
Repeat this data line as often as necessary.
To writeeig endataduring an eigenvalue extraction procedure:
No data lines are required; the eigendata arew rittenautomatically.
13.12–1
ABAQUS Version 6.1 Module: ID:
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