Applying a pinned type contraint. Mechanica

Discussion in 'Pro/Engineer & Creo Elements/Pro' started by Pete, Dec 9, 2003.

  1. Pete

    Pete Guest

    Please clarify the application of a constraint.

    If I have a through hole on a part that acts like pinned pivot.

    I would allow the axis perpendicular to the hole to be free.
    Fix the other 2 axes.

    I would allow free movement on the force perpendicular hole.
    This is a shaft, not a nut and bolt.

    Would I then have to fix the 2 other forces? Or will the fixed axis
    take care of this?

    I am also selecting the 2 inner surfaces of the hole for the
    constraint.

    Any suggestions?
     
    Pete, Dec 9, 2003
    #1
  2. Pete

    meld_b Guest

    You are talking about structure right? OK. You might want to get a copy
    of Vince Adams book "Building Better Products with Finite Element
    Analysis" Personally I've become a believer in cylindrical coordinate
    systems... then you constrain exactly what is going on (surface
    constrained in R) You do have to fix the motion somewhere in the
    model... might just be a point or an edge..

    -D
     
    meld_b, Dec 10, 2003
    #2
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