MFREQ analysis - HELP!!!

FaForno
FaForno Altair Community Member
edited October 2020 in Community Q&A

Dear All,

I'm writing because I'm new of this kind of analysis and I need of help ...

I got request from one of my costumers to run an analysis exciting some specific frequency of the body.

I have done as first step a free-free modal analysis to evaluate which is this frequency and I have identified it as F12 at 1380Hz and F13 at 1383Hz.

Now I have prepared the model for MFREQ analysis, I have put everything but I have the doubt on how excite the

body around that frequency (maybe between 1300Hz and 1400Hz), I have to use the EIGRL card by

define V1=1300 and V2=1400 or I have to use Freqi card?

In case of freqi card, how I have to set it up?

 

Could someone help me?

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