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

2017 4th International Conference on Advanced Materials, Mechanics and Structural Engineering

材料科学;机械制造

Ko, Dae-Eun^1 ; Shin, Sang-Hoon^2

Dept. of Naval Architecture and Ocean Engineering, Dong-Eui University, Busan, Korea, Republic of^1

Dept. of Aero Mechanical Engineering, Kyungwoon University, Gyeongbuk, Korea, Republic of^2

关键词: Beam elements;    Design technique;    Evolution strategies;    Initial design;    Optimization method;    Optimum designs;    Slope-deflection method;    Transverse bulkhead;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/269/1/012084/pdf
DOI  :  10.1088/1757-899X/269/1/012084

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

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.