Two-Way Radio User Manual

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SPECTRUM
18.28
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SPECTRUM: Define a response spectrum.
This option is used to define a spectrum to be used in a
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RESPONSE SPECTRUM analysis.
Product: ABAQUS/Standard
Type: Model data
Level: Model
References:
“Response spectrum analysis,” Section 6.3.10 of the ABAQUS Analysis User ’s Manual
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RESPONSE SPECTRUM
Required parameter:
NAME
Set this parameter equal to a label that will be used to refer to the spectrum. This label is used to
cross-reference a spectrum on the
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RESPONSE SPECTRUM option.
Optional parameters:
G
Set this parameter equal to the value of the acceleration of gravity. This parameter is used only
when TYPE=G is specified.
INPUT
Set this parameter equal to the name of the alternate input file containing the data lines for this
option. See “Input syntax rules,” Section 1.2.1 of the ABAQUS Analysis Users Manual, for the
syntax of such file names. If this parameter is omitted, it is assumed that the data follow the keyword
line.
TYPE
Set TYPE=DISPLACEMENT, TYPE=VELOCITY, or TYPE=ACCELERATION (default) to
define the units in which the spectrum is defined.
Set TYPE=G to enter an acceleration spectrum in g-units. The parameter G then defines the
gravitational acceleration.
18.28–1
ABAQUS Version 6.1 Module:
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