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RETAINED EIGENMODES
17.16
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RETAINED EIGENMODES: Select the modes to be retained in a substructure
generation analysis.
This option selects the modes to be used in a substructure generation analysis. The modes must be extracted
in a prior
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FREQUENCY step and will include residual modes if they were activated. If this option is not
used, no modes will be used.
Product: ABAQUS/Standard
Type: History data
Level: Step
Reference:
•
“Defining substructures,” Section 10.1.2 of the ABA QUS Analysis User’s Manual
Optional parameter:
GENERATE
If this parameter is included, each data line should give a first m ode,
; a last mode; ;andthe
increment in mode numbers between these modes, i. Then, all m odes going from
to in steps
of i will be added to the set. i must be an integer such that
is a whole num ber (not a
fraction).
Data lines if the GENERATE parameter is omitte d:
First line:
1. List of m odes to be used.
Repeat this data line as often as necessary. Up to 16 entries are allowed per line.
Data lines if the GENERATE parameter is included:
First line:
1. First mode number.
2. Last mode number.
3. Increm ent in mode numbers between modes. The default is 1.
Repeat this data line as often as necessary.
17.16–1
ABAQUS Version 6.1 Module:
ID:
Printed on: