A Study on the Optimum Design of Corrugated Bulkhead for Product Carrier

For a product carrier, in general, longitudinal bulkhead as well as transverse bulkhead is corrugated type and the intersection part of bulkheads is utilized for a pipe trunk. Since lower and upper stools are to be connected with all of longitudinal and transverse bulkheads, they have a uniform heig...

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Published in:IOP conference series. Materials Science and Engineering 2017-11, Vol.269 (1), p.12084
Main Authors: Ko, Dae-Eun, Shin, Sang-Hoon
Format: Article
Language:English
Subjects:
Bulkheads
Design optimization
Diaphragms
Naval engineering
Pipes
Slope deflection method
Structural analysis
Weight reduction
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description For a product carrier, in general, longitudinal bulkhead as well as transverse bulkhead is corrugated type and the intersection part of bulkheads is utilized for a pipe trunk. Since lower and upper stools are to be connected with all of longitudinal and transverse bulkheads, they have a uniform height respectively. The purpose of this study is the development of design technique for the minimization of total weight of longitudinal and transverse bulkheads at the initial design stage. In this study, optimum design of corrugated bulkhead for product carrier was conducted by applying evolution strategy method (ESM) as an optimization method and beam elements based on generalized slope deflection method (GSDM) in structural analysis. Furthermore, the installations of pipe trunks and the interference of stool diaphragms and brackets were considered to conform to the actual ship design. The optimization results are compared with the existing 70K product carrier designed in accordance with the DNV classification requirements and showed about 3% reduction in weight.
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subjects Bulkheads
Design optimization
Diaphragms
Naval engineering
Pipes
Slope deflection method
Structural analysis
Weight reduction
title A Study on the Optimum Design of Corrugated Bulkhead for Product Carrier
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