The steps to follow for the computation of the double FFT in the vibro acoustic context in Flux are presented in the table below:
| 1 | After the solving, go to the Computation menu and select Open mechanical analysis context |
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| 2 | In this context click on Force computation->New |
| 3 | Select the previously create force curve |
| 4 | Select “yes” for limiting the size of the tables |