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I recall reading, that when Mir would get a new module added, after it was docked, a cosmonaut would stand in, feet on one wall, hands on the other, and try to shake it, to ensure the docking seal was completed properly.

The maneuver was called the Rezonans (or Resonance) experiment. It occurred on Soyuz 26 / Salyut 6 / Soyuz 27 [1][2] and on MIR EO-1 with Soyuz T-15 / MIR / Progress 25 [3][4].

Do they still do this for new modules at the ISS?

Does it differ US vs Russian side, perhaps due to the different nature of the docking/berthing connectors?

That is, compare the CBM vs PMA vs Russian Active vs Russian Passive docking ports.

  1. Soyuz 27 Mission
  2. Soyuz: A Universal Spacecraft By Rex Hall, David Shayle pp.226
  3. Space Technologies, Materials and Structures edited by B. Paton, pp. 507
  4. Encyclopedia Astronautica: Mir EO-1
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I am not aware of any structural dynamics tests conducted on the ISS using crewmembers as 'excitation sources'. However, the ISS does have a build-in structural dynamics sensor system consisting of accelerometers and strain gauges. This paper describes some early tests where a laser imaging system was also used. Jet firings and spacecraft dockings probably provide more than enough excitation for the structural dynamics sensor system.

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