Minimizing Buoyancy Factor of Metallic Pressure-Hull Subjected to Hydrostatic Pressure

作     者：Mahmoud Helal Elsayed Fathallah Abdulaziz H Alghtani Hussein Shawki Osman Jong Wan Hu Hasan Eleashy 

作者机构：Department of Mechanical EngineeringFaculty of EngineeringTaif UniversityTaif 21944Saudi Arabia Production and Mechanical Design DepartmentFaculty of EngineeringMansoura UniversityMansoura 35516Egypt Civil Engineering DepartmentM.T.C.Kobry ElkobbaCairo 11865Egypt Ships and Submarines Engineering DepartmentMilitary Technical CollegeCairo 11865Egypt Civil Engineering DepartmentSohag UniversitySohag 82524Egypt Department of Civil and Environmental EngineeringIncheon National UniversityIncheon 22012Korea Incheon Disaster Prevention Research CenterIncheon National UniversityIncheon 22012Korea Mechanical Engineering DepartmentFaculty of Engineering&TechnologyFuture University in EgyptCairo 11835Egypt 

出 版 物：《Intelligent Automation & Soft Computing》 (智能自动化与软计算（英文）)

年 卷 期：2023年第35卷第1期

页      面：769-793页

核心收录：

学科分类：080704[工学-流体机械及工程] 080103[工学-流体力学] 08[工学] 0807[工学-动力工程及工程热物理] 0801[工学-力学（可授工学、理学学位）] 

基　　金：supported by Basic Science Research Program through the National Research Foundation of Korea(NRF)grant funded by the Korea Government(MSIT)(No.NRF-2021R1A2B5B02002599) 

主　　题：Buoyancy factor pressure-hull material failure ANSYS ISIGHT general instability 

摘      要：To increase the payload,reduce energy consumption,improve work efficiency and therefore must accordingly reduce the total hull weight of the *** paper introduces a design optimization process for the pressurehull of submarines under uniform external hydrostatic pressure using bothfinite element analysis(FEA)and optimization tools.A comprehensive study about the optimum design of the pressure hull,to minimize the weight and increase the volume,to reach minimum buoyancy factor and maximum operating depth minimizing the buoyancy factor(B.F)is taken as an objective function with constraints of plate and frame yielding,general instability and *** optimization process contains many design variables such as pressure-hull plate thickness,unsupported spacing,dimensions of long and ring beams andfinally the elliptical submersible pressure-hull *** optimization process was conducted using ANSYS parametric design language(APDL)and *** Multi-Island Genetic Algorithm(G.A)is considered to conduct the optimization ***,parametric analysis is done on the pressure hull to examine the effect of different design variables on the pressure-hull *** a result,the B.F of the proposed optimal model is reduced by an average of 31.78%compared with Reference Model(RM).Maximum von Mises stress is reduced by 27%as *** results can be helpful for submarine pressure-hull designers.