finite element model vibration diagnostics dynamic load natural frequencies of vibrations survey of the structure GA. Information industry Mechanical systems amplitude basalt reinforcement compaction cracking deformations destruction discrete and continual models dynamic loading energy frequencies and vibration modes grinding laws of motion mode of vibrations model modes natural vibration frequencies parameters phase angles physical non-linearity power loads restoration of historical objects soil model of a cave site spectral power stability zones stresses synergetics technological media unbalance vibration amplitude vibration blocks vibration frequency vibration spectrum vibration unit vibratory machine