Accession Number:

ADA056576

Title:

Heave and Pitch Regular Wave Exciting Forces and Moments Acting on a Small Waterplane Area Twin Hull.

Descriptive Note:

Interim rept.,

Corporate Author:

DAVID W TAYLOR NAVAL SHIP RESEARCH AND DEVELOPMENT CENTER BETHESDA MD SHIP PERFORMANCE DEPT

Personal Author(s):

• Stahl,Ralph

Report Date:

1978-04-01

Pagination or Media Count:

21.0

Abstract:

Experiments were carried out to determine the hydrodynamic forces and moments acting on a model of SWATH I Small Waterplane Area Twin Hull design in regular head waves at several forward speeds. Presented in this report are the heave exciting forces and pitch exciting moments on the model due to waves. The results showed force and moment linearity with wave height and a force and moment dependency on wave encounter frequency and speed. Author

Descriptors:

• *LOADS(FORCES)
• *SHIP MOTION
• *SHIP HULLS
• OCEAN WAVES
• PITCH(MOTION)
• EQUATIONS OF MOTION
• DATA REDUCTION
• HYDRODYNAMICS
• HEAVING

Subject Categories:

• Marine Engineering

Distribution Statement:

APPROVED FOR PUBLIC RELEASE