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FREQ |
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»Click here to display Table of Contents«
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FREQ |
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FREQ |
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Bulk Data Entry
FREQ – Frequency List
Description
Defines a set of frequencies to be used in the solution of frequency response problems.
Format
(1) |
(2) |
(3) |
(4) |
(5) |
(6) |
(7) |
(8) |
(9) |
(10) |
FREQ |
SID |
F1 |
F2 |
F3 |
F4 |
F5 |
F6 |
F7 |
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F8 |
… |
… |
… |
… |
… |
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Field |
Contents |
SID |
Identification number. No default (Integer > 0) |
F# |
Frequency value. The units for F# are cycles per unit time. No default (Real > 0.0) |
| 1. | FREQ entries must be selected with the I/O Options or Subcase Information command FREQUENCY = SID. |
| 2. | All FREQi entries with the same set identification numbers will be used. Duplicate frequencies will be ignored. fN and fN-1 are considered duplicated if: |
where, DFREQ is a user parameter with a default of 10-5 * fMAX , and fMIN are the maximum and minimum excitation frequencies of the combined FREQi entries.
| 3. | This card is represented as a loadcollector in HyperMesh. |
See Also:
