Random vibration analysis unit conversion in optistruct

mh_20798
mh_20798 Altair Community Member
edited April 2021 in Community Q&A

As shown in the below image for converting units in SPCD for both mm/s2 and m/s2 the value is 1, i think it is 1 for mm/s2 and 1000 for m/s2; please correct me if i am wrong

image

Tagged:

Answers

  • Lacie Feller_21296
    Lacie Feller_21296
    Altair Employee
    edited April 2021

    Hari, 

    You are correct-- if we are using a mm/s/ton/N unit system, but the input we have for PSD is in meters, we would either need to scale the PSD curve when we input into HyperMesh or scale the SPCD to make the units consistent.

    Regards, 
    Lacie

     

     

  • mh_20798
    mh_20798 Altair Community Member
    edited April 2021

    Thank You Lacie

Categories