RANDPS
Bulk Data Entry Defines load set power spectral density factors for use in random analysis having the frequency dependent form Sjk(Ω)=(X+iY)G(Ω) .
Format
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
|---|---|---|---|---|---|---|---|---|---|
| RANDPS | SID | J | K | X | Y | TID |
Example
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
|---|---|---|---|---|---|---|---|---|---|
| RANDPS | 5 | 3 | 7 | 2.0 | 2.5 | 4 |
Definitions
| Field | Contents | SI Unit Example |
|---|---|---|
| SID | Random analysis set
identification number. (Integer > 0) |
|
| J | Subcase identification
number of excited load set. (Integer > 0) |
|
| K | Subcase identification
number of applied load set. (Integer > 0; K ≥ J) |
|
| X, Y | Components of complex
number. (Real) |
|
| TID | A
TABRNDi entry identification number which
defines G(F).
Integer ≥ 0 |
Comments
- If J = K, then Y must be 0.0.
- RANDPS Bulk Data
Entries can be referenced either by:
- The RANDOM Subcase or Case Control Entry.
- A SET I/O Options Entry that is then referenced by a RANDOM Case Control Entry.
- A SET Bulk Data Entry with TYPE=MODE that is then referenced by a RANDOM Case Control Entry.