Hello everyone,
I need to perform Sine on Random analysis for that i need a random subcase and a sine subcase,
I performed a MFRA for Random vibrations and called that for Random analysis using RANDPS.
I used 1 FATLOAD to call random subcase( analysis type = RANDOM, Random: RANDPS), another FATLOAD to call sine subcase( analysis type = DFRA ), I used FATEVNT to call the two FATLOADS, FATSEQ to call FATEVNT and duration 18000 s in #T field.
I edited the fem file by adding +,HARMO,3.2,1.5 to add the sine tones and amplitudes.
When I ran the file i got an error saying the subcase FATSEQ is calling two incompatible subcases, subcase (DFRA (sine tones)) is not compatible with subcase(RANDOM)
But I did as per this,
Then I tried sine weep on random, I toggled on the Sweep flag in FATLOAD calling DFRA(Sine tones) SR as 1 HZPZ
Then the file ran well but then suddenly it stopped saying run stopped due to internal error.
I need this urgently pls help.
