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Analysis Task Dynamic Freq
Space Gass Frequency Analysis Task and Options. To be used when performing Dynamic Frequency analysis
Inputs
| Name | ID | Description | Type |
|---|---|---|---|
| Load Cases and Combos | C | Load Case List. All Load Cases by default | Generic Data |
| Tolerance | T | The accuracy to which the buckling load factors will be calculated. For example, a tolerance of 0.01 means that the load factors will be within +/- 0.01 of the exact value. | Number |
| Frequency Upper | U | The upper limit above which the dynamic frequency analysis will no longer search for natural frequencies. | Number |
| Frequency Lower | L | The lower limit below which the dynamic frequency analysis will not search for natural frequencies.. | Number |
| Frequency Shift | S | The dynamic frequency analysis normally calculates natural frequencies starting from 0Hz and working upwards, however if a frequency shift is specified then the frequencies below the frequency shift value are skipped | Number |
| No. of Modes | N | The number of modes that are required. | Integer |
| Stabilize Nodes | S | Stabilize Unrestrained Nodes. Nodes that are free to rotate or translate in one or more directions without resistance from interconnecting members, restraints or constraints can be automatically restrained during the analysis so that instabilities don’t occur. | Boolean |
| Extra Iterations | E | The buckling analysis is complete when the buckling load factor has reached the desired accuracy (as specified by the tolerance), however it is possible that at this point the buckling mode shapes are not totally accurate. Mode shape accuracy can be achieved by turning on the Extra iterations for mode shape accuracy option | Boolean |
| Solver Options | O | General SpaceGass Solver Options | Generic Data |
Outputs
| Name | ID | Description | Type |
|---|---|---|---|
| Analysis Task | T | Space Gass Modal Analysis Task | Generic Data |
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