OS-1315: Modal Transient Dynamic Analysis of a Bracket

Altair Forum User
Altair Forum User
Altair Employee
edited October 2020 in Community Q&A

Hello sir

 

I’m working on a structural transient analysis and I’m facing some doubts. I kindly request for your suggestion.

 

Similar to OS-1315: Modal Transient Dynamic Analysis of a Bracket

 

Input: I’m working on the bracket which is of 2mm thickness. Constrain and excitation is at the same point of location(bolt connection)

Acceleration 50g

Nominal shock duration = 11ms

nominal shock shape = half sine

 

In OptiStruct:

 

In TIME STEP load collector i have used N=100 and increment=0.00011  (I have considered 100 steps for the time of 0.011seconds)

 

In TABLED1 load collector i have assigned x1=0 ,y=0, x2=0.0055, y=50, x3=0.011,y=0

 

In SPCD load collector i have assigned x=9810 (applying only along x direction)

 

In TLOAD1 load collector  i have used Type=Acceleration

 

Please let me know whether the input i have assigned is right are not.

 

Regards

Vinay

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Answers

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited September 2017

    Hi Vinay,

     

    The input looks good for me

     

    Thanks

    Vikas

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited September 2017

    Thank you vikas

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited May 2018
    Altair Forum User said:

    Hello sir

     

    I’m working on a structural transient analysis and I’m facing some doubts. I kindly request for your suggestion.

     

    Similar to OS-1315: Modal Transient Dynamic Analysis of a Bracket

     

    Input: I’m working on the bracket which is of 2mm thickness. Constrain and excitation is at the same point of location(bolt connection)

    Acceleration 50g

    Nominal shock duration = 11ms

    nominal shock shape = half sine

     

    In OptiStruct:

     

    In TIME STEP load collector i have used N=100 and increment=0.00011  (I have considered 100 steps for the time of 0.011seconds)

     

    In TABLED1 load collector i have assigned x1=0 ,y=0, x2=0.0055, y=50, x3=0.011,y=0

     

    In SPCD load collector i have assigned x=9810 (applying only along x direction)

     

    In TLOAD1 load collector  i have used Type=Acceleration

     

    Please let me know whether the input i have assigned is right are not.

     

    Regards

    Vinay

    @Vinay1005 can you send you file. im doing something similar and needed some help. thank you.

     

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