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What is Ship Vibration Analysis Procedure about?

This document summarizes an integral procedure for analyzing ship vibrations caused by propeller and main engine excitation. The procedure is demonstrated on a 49500 DWT chemical tanker. Vibrations are analyzed for two loading conditions using finite element models of the hull and aft structure. Results show high vibration levels from the unsupported engine, recommending installation of vibration compensators. Measured natural frequencies during sea trials agreed well with calculations.

Author

Cristi Marian

Language

EN