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Found 2 results

  1. Hi: How I can calculate the load I have to apply to Dload 1 and Dload 2 for the Random response analysis? And What is the Critical damping ratio value recommended for a range of vibrations at 20 from 2000 HZ? I want analyse a cubesat. Someone can help me? Kind regards
  2. In a random frequency response analysis, the input is in PSD in (m/s2)2/Hz and RMS value in m/s2. I need to perform a random vibration analysis in Hypermesh using Optistruct. How we should input PSD and RMS values. What load collectors/cards should we use?. Next question is regarding units, if Im using mm,Tonne,Newton units. Then how should i convert the PSD data in (m/s2)2/Hz to compatible units.
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