Vibration Control for W12-1 Platform by Construction of Mega-Beam Structure


In order to reduce the vibration of the W12-1 platform caused by the work of gas compressors, the structure was rebuilt using mega-frame theory. Modal analyses, which were made by the FEM software, showed that the main reason that caused the whole platform's vibration was the mode shape distortion. To eliminate the seriously vibration, a mega-beam was constructed based on the mega-frame theory. Theoretical analyses showed that the mega-beam could eliminate the mode shape distortion effectively. Simulation analyses showed that the vibration can be restrained effectively. The on-site retesting results after the reconstruction showed that the average vibration control level of whole platform was reduced by 58%. The mega-frame structure has an improved vibration control effect on the platform.

  • Abstract
  • Introduction
  • Anti-Vibration Reconstruction of W12-1 Platform
  • Simulation Analyses for the Vibration Control
  • Project Implementation and Its Vibration Control Effect Analyses
  • Conclusions
  • References

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