TOSSING RESONANCE ON NONREGULAR SWELLS

A model which simulates nonregular tossing of a ship is presented and analyzed along with results of experimental and theoretical calculations concerning spectral density of wave disturbances and the transmission function of the ship itself. It is shown that relative shift along the frequency axis in the maximum points of the amplitude-frequency characteristic of the ship and the spectrum of the disturbance depends on the form of the chosen spectrum. For an empirical spectrum this amounts to 10--15 percent. For an analytical spectrum of an exponential decay form, the shift amounts to about 20 percent. Such calculations on rolling motion produce acceptable results for disturbances of less than 6--7 force intensity. This limit is considered especially important for ships with a low, small, intrinsic tossing period. Only a brief explanation of the simulator is presented.

• Authors:
  • Karasev, A V
  • Karlinskiy, S L
• Publication Date: 1968

Media Info

• Features: Figures;
• Pagination: p. 8-10
• Serial:
  • Sudostroyeniye (Soviet Shipbuilding) [USSR]
  • Issue Number: 4

Subject/Index Terms

• TRT Terms: Electromagnetic spectrum; Ocean waves; Ship motion; Water waves; Waves
• Old TRIS Terms: Irregular waves; Ship response
• Subject Areas: Design; Hydraulics and Hydrology; Marine Transportation; Vehicles and Equipment;

Filing Info

• Accession Number: 00014974
• Record Type: Publication
• Source Agency: Joint Publications Research Service
• Files: TRIS
• Created Date: May 7 1971 12:00AM