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Multicomponent anchoring system optimizing designing method

A technology for optimizing design and mooring systems, applied to ship components, ships, transportation and packaging, etc., to achieve the effects of simple models, easy implementation, and problem-solving interaction effects

Inactive Publication Date: 2005-02-23
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

[0003] The purpose of the present invention is to address the deficiencies in the prior art, to propose a new method for optimal design of multi-component mooring systems, on the basis of analyzing the influence of multi-component mooring line parameters on the entire mooring system, to effectively solve the problem of determining the design parameters of the mooring system problem, improve design scientificity and reliability, and be easy to realize on computer

Method used

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  • Multicomponent anchoring system optimizing designing method
  • Multicomponent anchoring system optimizing designing method
  • Multicomponent anchoring system optimizing designing method

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Embodiment Construction

[0019] In order to better understand the technical solutions of the present invention, a further detailed description will be made below in conjunction with the accompanying drawings and embodiments.

[0020] For a better description, the symbols are specified as follows, which can be referred to image 3 :

[0021] L i , S i 、h i ——line length, horizontal length and vertical length of mooring line of section i (component);

[0022] j——The value ranges from 1 to M, and M is the number of mooring lines of the mooring system;

[0023] i——The value ranges from 1 to N, and N is the number of materials for a single mooring line;

[0024] Q J —horizontal force provided by a single mooring line;

[0025] W k ——the weight per unit length of the inclination angle of the k-th mooring line.

[0026] Step 1: Determine the common characteristics of the materials that make up the mooring line

[0027] Determine the quadratic relationship between weight per unit length and breaking...

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Abstract

A method for optimizing the design of multi-component anchor system includes such steps as finding the common characteristics of the components of anchor cable by regression, creating optimizing model, finding the minimal weight of single anchor cable, finding out the catenarian equation of multi-componemnt anchor cable to obtain the length of each component, iteractive calculations to obtain optimal design parameters, and drawing curve chart of results.

Description

technical field [0001] The invention relates to an optimal design method for a mooring system of a marine floating structure, which is suitable for mooring systems composed of multi-component mooring lines, and can also be used for the analysis of mooring systems composed of single-component mooring lines. It belongs to the application field of marine engineering. Background technique [0002] The most common way to locate marine structures is to use mooring systems. In recent years, with the development of deep-water oil and gas exploration, anchor chains, metal ropes, fiber ropes and other materials are used to form mooring lines, which are equipped with suction anchors, light anchors, etc. The application of mooring system in the form of multi-point arrangement is becoming more and more extensive. However, the increase in materials has brought difficulties to mooring design. The traditional mooring line composed of a single material has become a single mooring line compo...

Claims

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Application Information

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IPC IPC(8): B63B9/00B63B21/00
Inventor 余龙谭家华
Owner SHANGHAI JIAO TONG UNIV
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