Two-dimensional non-linear dynamic analysis of cable laying operations

被引：0

作者：

Nabergoj, Radoslav ^{[1
]}

Prpić-Oršić, Jasna ^{[1
]}

机构：

[1] University of Trieste, Department of NAOEE, Via Valerio 10, 34127 Trieste, Italy

来源：

Brodogradnja | 2001年 / 49卷 / 04期

关键词：

Acceleration - Differential equations - Runge Kutta methods - Ships;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A numerical approach to predicting motion and tension of marine cables during laying operations in a rough sea is presented. The solution methodology consists of dividing a cable into straight elements, which have to satisfy the equilibrium equation and compatibility relations. The system of obtained non-linear differential equations is solved by the Runge-Kutta method, taking explicitly into account the effect of regular and/or irregular waves. Illustrative applications of the method are given for a cable-laying ship of approximately 100 m in length, designed to install and repair submarine cable systems. The results are presented as transfer functions and response spectra of cable dynamic tension for two different types of cable and several heading angles. The obtained responses make possible to determine order statistics of the cable laying process. The cable element angles, cable configuration and cable top force are presented for the case of ship under acceleration.

引用

页码：401 / 408