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R
rrakos1-Visitor
1-Visitor
February 1, 2017
Question

Displacement function of time

  • February 1, 2017
  • 1 reply
  • 2075 views

Hello,

I would like to define a determined displacement for a body in the function of time (see attached picture). At the moment, only the fix value is active for the displacement.

How can I define it?

Thanks

Roland

1 reply

G
gfraulini17-Peridot
17-Peridot
February 1, 2017

What are you talking about?

Creo Simulate/Mechanica or Mechanism?

In Mechanism do it is very simple, in Simulate you have to define a Dynamic Time Analysis.

R
rrakos1-VisitorAuthor
1-Visitor
February 1, 2017

Sorry....I am talking about the Simulate Mechanica.

I defined a time dependent value in the Static Analysis Definition. This time function is multiplied with the displacement value.

Is is correct?

Thanks

Roland

G
gfraulini17-Peridot
17-Peridot
February 2, 2017

If I remember well, in a Static Analysis you can't define a load history without nonlinear option such:

  1. contacts,
  2. nonlinear material,
  3. large deformations.

In my opinion, within a static analysis speaking of the time dependence of load/displacements is deceptive because you don't see the"modal" response of the structure that requires a Dynamic Analysis (time or frequency).

In my experience, I've use SA with time dependence only with the ramp and a lot of measure points to obtain a better convergence of a non linear analysis as the three points above.

I'm open to other points of view!

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