997x
002018
2017-12-01

Question

Does RF‑/DYNAM Pro consider elastic supports (nodal and line supports with an elastic spring constant) and elastic surface supports?


Answer:

Yes, all supports with a spring constant are considered in the RF‑/DYNAM Pro add-on module. In detail, this means that the elastic supports are considered in the following areas:

  • Determination of natural vibration
  • Time history analysis of time diagrams
  • Response spectrum analysis ("Forced Vibrations" and "Equivalent Loads")

The attached example clearly shows how the mode shapes of a member change when an elastic nodal support is added.