SHIP HULL VIBRATIONS - 9 A GUIDE FOR DESIGN STAGE CALCULATIONS OF PROPELLER EXCITED VIBRATIONS

摘要

The vibration of ship hulls is a problem of continuing interest to naval architects and marine engineers, affecting as it does the safety and comfort of personnel and the performance and reliability of delicate shipboard equipment.nAside from impact forces arising in a seaway, the main sources of excitation have generally been considered to be machinery unbalance and the variable loads attributable to fluctuations in propeller thrust and torque.