DYNAMICS OF DEEP-SEA MOORING LINES

Abstract

Equations of motion for the three-dimensional aspects of mooring line dynamics are formulated and dealt with in a coordinate system which facilitates analysis of the transverse and longitudinal modes of motion. A visco-elastic model for the mooring line material is adopted which allows for hysteresis effects and non-linear load-strain processes. A numerical procedure for solution based upon the method of characteristics is discussed in some detail. The linearized equations for three-dimensional small perturbations relative to a coplanar equilibrium configuration are formulated and applied to the problem in which the motion is stipulated in a stochastic sense at the upper end of the line. More general conditions at the upper end are discussed but not applied.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1968
Accession Number
AD0685275

Entities

People

  • Robert O. Reid

Organizations

  • Texas A&M University

Tags

Communities of Interest

  • C4I
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Boundary Layer
  • Buoyancy
  • Cartesian Coordinates
  • Complex Variables
  • Computational Science
  • Coordinate Systems
  • Differential Equations
  • Elastic Properties
  • Energy
  • Energy Transfer
  • Equations
  • Equations Of Motion
  • Frequency
  • Measurement
  • Resonant Frequency
  • Three Dimensional
  • Two Dimensional

Fields of Study

  • Mathematics

Readers

  • Fluid Dynamics.
  • Structural Dynamics.
  • Systems Analysis and Design