what is meaning for SPC with 0 and with some values

Jaya V
Jaya V New Altair Community Member
edited August 14 in Community Q&A

Hello,

I have clarity with below SPC condition,

image

Please clarify the below condition if SPC is as shown in below image,

(X rotation with 2.4 --> ???)

image

Thanks in advance,

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Answers

  • Rajashri_Saha
    Rajashri_Saha
    Altair Employee
    edited August 9

    Hi Jaya,

    The 1st pic depicts that you are constraining the model in 1236 dofs and in 2nd pic you have constrained the model in all 12356 and applying enforced rotational motion about X-axis.

    If you had applied the value in dof1, then it is enforced displacement in X-direction.

    Thanks

    Rajashri

  • Jaya V
    Jaya V New Altair Community Member
    edited August 13

    Hello Rajashri,

    Thank you so much for your answer.

    I have additional query on this. May I know difference for the enforced linear/angular motion with SPC & SPCD card.

    Thanks,

    Jaya.

  • Rajashri_Saha
    Rajashri_Saha
    Altair Employee
    edited August 14
    Jaya V said:

    Hello Rajashri,

    Thank you so much for your answer.

    I have additional query on this. May I know difference for the enforced linear/angular motion with SPC & SPCD card.

    Thanks,

    Jaya.

    You can apply enforced displacement with SPCD too. SPCD is usually used in FRF analysis to define displacement, velocity and acceleration. For applying angular motion, you can select and enter the values in dof 4,5,6.

    Thanks

    Rajashri

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