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Structural Dynamics

Structural Dynamics

In a full transient, is D,,ACC really any better than applied displacements (which are known to produce sprurious results at the beginning of a load step)? Doesn’t the program just convert the accelerations to displacements?

    • FAQFAQ
      Participant

      Yes, D,,ACC is better as it uses the Newmark assumptions directly to insert the appropriate displacement boundary condition into the solution so that accelerations remain smooth.