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Structural Dynamics

Structural Dynamics

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  3. What does AVSMOOTH do in the command “TINTP,,,,,,,,,AVSMOOTH”?

What does AVSMOOTH do in the command “TINTP,,,,,,,,,AVSMOOTH”?

Tagged: 17, implicit, mapdl, mechanical-apdl, structural-dynamics, structural-mechanics, transient, Transient (Implicit)
    • March 17, 2023 at 9:00 am
      FAQFAQ
      Participant

      The Newmark accelerations can be noisy for many problems. The Newmark assumption uses the average acceleration [(a(t) + a(t+dt))/2] in its calculation. Initial conditions and nonlinearities can cause the values at “t” and “t+dt” to oscillate (sometimes wildly). Rather than reporting these accelerations in the output, when AVSMOOTH is 1, we report the averaged value so that a smooth solution is seen.

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