水滴形耐压壳体的自由胀形和非线性屈曲

IF 2.3 3区工程技术 Q2 ENGINEERING, MARINE

International Journal of Naval Architecture and Ocean Engineering Pub Date : 2024-01-01 DOI:10.1016/j.ijnaoe.2024.100626

Jian Zhang , Xiaode Ding , Ming Zhan , Xinhu Zhang

{"title":"水滴形耐压壳体的自由胀形和非线性屈曲","authors":"Jian Zhang , Xiaode Ding , Ming Zhan , Xinhu Zhang","doi":"10.1016/j.ijnaoe.2024.100626","DOIUrl":null,"url":null,"abstract":"<div><div>This study applied free bulging to fabricate a teardrop-shaped pressure hull and analyzed the nonlinear buckling behavior of this hull. A preform made from stainless steel plates was fabricated, involving blanking, bending, and welding. Then, a teardrop-shaped pressure hull was formed through free bulging. Seven conical segments were installed inside the pressure hull. The segments near the poles had a nominal thickness of 0.851 mm, and the two middle segments of the preform had a nominal thickness of 1.084 mm. Theoretical and experimental analyses were conducted to determine the equivalent stress and yield load of the teardrop-shaped hull and preform. Subsequently, the buckling behavior of the fabricated hull was investigated. Finally, a nonlinear finite element method was used to analyze the bulging and buckling of the teardrop-shaped pressure hull. The findings indicate that free bulging contributes to promisingly manufacturing teardrop-shaped pressure hulls for underwater observatories and other related equipment.</div></div>","PeriodicalId":14160,"journal":{"name":"International Journal of Naval Architecture and Ocean Engineering","volume":"16 ","pages":"Article 100626"},"PeriodicalIF":2.3000,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Free bulging and nonlinear buckling of teardrop-shaped pressure hull\",\"authors\":\"Jian Zhang , Xiaode Ding , Ming Zhan , Xinhu Zhang\",\"doi\":\"10.1016/j.ijnaoe.2024.100626\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>This study applied free bulging to fabricate a teardrop-shaped pressure hull and analyzed the nonlinear buckling behavior of this hull. A preform made from stainless steel plates was fabricated, involving blanking, bending, and welding. Then, a teardrop-shaped pressure hull was formed through free bulging. Seven conical segments were installed inside the pressure hull. The segments near the poles had a nominal thickness of 0.851 mm, and the two middle segments of the preform had a nominal thickness of 1.084 mm. Theoretical and experimental analyses were conducted to determine the equivalent stress and yield load of the teardrop-shaped hull and preform. Subsequently, the buckling behavior of the fabricated hull was investigated. Finally, a nonlinear finite element method was used to analyze the bulging and buckling of the teardrop-shaped pressure hull. The findings indicate that free bulging contributes to promisingly manufacturing teardrop-shaped pressure hulls for underwater observatories and other related equipment.</div></div>\",\"PeriodicalId\":14160,\"journal\":{\"name\":\"International Journal of Naval Architecture and Ocean Engineering\",\"volume\":\"16 \",\"pages\":\"Article 100626\"},\"PeriodicalIF\":2.3000,\"publicationDate\":\"2024-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Naval Architecture and Ocean Engineering\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2092678224000451\",\"RegionNum\":3,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ENGINEERING, MARINE\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Naval Architecture and Ocean Engineering","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2092678224000451","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, MARINE","Score":null,"Total":0}

引用次数: 0

摘要

采用自由胀形技术制备了水滴形耐压壳体，并对该壳体的非线性屈曲行为进行了分析。用不锈钢板制作预制件，包括下料、折弯和焊接。然后，通过自由胀形形成泪滴形状的耐压壳体。七个锥形段安装在耐压壳体内。靠近杆段的公称厚度为0.851 mm，中间两段的公称厚度为1.084 mm。通过理论分析和实验分析，确定了水滴形船体和预制件的等效应力和屈服载荷。随后，对船体的屈曲行为进行了研究。最后，采用非线性有限元方法对水滴形耐压壳体的胀形和屈曲进行了分析。研究结果表明，自由胀形有助于为水下观测站和其他相关设备制造泪滴形耐压壳体。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Free bulging and nonlinear buckling of teardrop-shaped pressure hull

This study applied free bulging to fabricate a teardrop-shaped pressure hull and analyzed the nonlinear buckling behavior of this hull. A preform made from stainless steel plates was fabricated, involving blanking, bending, and welding. Then, a teardrop-shaped pressure hull was formed through free bulging. Seven conical segments were installed inside the pressure hull. The segments near the poles had a nominal thickness of 0.851 mm, and the two middle segments of the preform had a nominal thickness of 1.084 mm. Theoretical and experimental analyses were conducted to determine the equivalent stress and yield load of the teardrop-shaped hull and preform. Subsequently, the buckling behavior of the fabricated hull was investigated. Finally, a nonlinear finite element method was used to analyze the bulging and buckling of the teardrop-shaped pressure hull. The findings indicate that free bulging contributes to promisingly manufacturing teardrop-shaped pressure hulls for underwater observatories and other related equipment.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

International Journal of Naval Architecture and Ocean Engineering ENGINEERING, MARINE-

CiteScore

4.90

自引率

4.50%

发文量

审稿时长

12 months

期刊介绍： International Journal of Naval Architecture and Ocean Engineering provides a forum for engineers and scientists from a wide range of disciplines to present and discuss various phenomena in the utilization and preservation of ocean environment. Without being limited by the traditional categorization, it is encouraged to present advanced technology development and scientific research, as long as they are aimed for more and better human engagement with ocean environment. Topics include, but not limited to: marine hydrodynamics; structural mechanics; marine propulsion system; design methodology & practice; production technology; system dynamics & control; marine equipment technology; materials science; underwater acoustics; ocean remote sensing; and information technology related to ship and marine systems; ocean energy systems; marine environmental engineering; maritime safety engineering; polar & arctic engineering; coastal & port engineering; subsea engineering; and specialized watercraft engineering.