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Rajendra Prasad

Error #5408 i.e "Modal Frequency Response Analysis"

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Messages for the job:

 
 *** ERROR # 5408 ***
 Aborting analysis because no structural modes have been
 computed in the modal dynamic subcase 1.
 
 *** PROGRAM STOPPED: FATAL ERROR(s) ENCOUNTERED.

 

I am not understanding why this error is comming. Please help me.
 

 

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hi @Rajendra Prasad

 

Error 5408 indicated  that the solver cannot find any mode between the bounds you specified in the EIGRL card, thus it cannot proceed with the frequency response solution.

Please increase the upper bound to a higher value. You may want to run just a normal mode solution (ND=10) and see what is the lowest frequency and then adjust the upper bound accordingly for the frequency response analysis subcase.

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Hi,

It seems there is some problem in your EIGRL card. Have you entered the range of frequency in it or number of modes. If the range of frequency does not have any mode this issue might come. Please clarify for it.

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On ‎23‎-‎05‎-‎2017 at 9:30 AM, Prakash Pagadala said:

hi @Rajendra Prasad

 

Error 5408 indicated  that the solver cannot find any mode between the bounds you specified in the EIGRL card, thus it cannot proceed with the frequency response solution.

Please increase the upper bound to a higher value. You may want to run just a normal mode solution (ND=10) and see what is the lowest frequency and then adjust the upper bound accordingly for the frequency response analysis subcase.

Thanks for reply sir

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On ‎23‎-‎05‎-‎2017 at 9:35 AM, gopal_rathore said:

Hi,

It seems there is some problem in your EIGRL card. Have you entered the range of frequency in it or number of modes. If the range of frequency does not have any mode this issue might come. Please clarify for it.

Thanks for reply sir..

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