人为缺陷对波纹夹层圆柱壳耐撞性的增强

IF 5.6 1区工程技术 Q1 ENGINEERING, CIVIL

Engineering Structures Pub Date : 2025-05-30 DOI:10.1016/j.engstruct.2025.120658

Mao Yang , Yongjian Mao , Jun Zhang , Bin Han

{"title":"人为缺陷对波纹夹层圆柱壳耐撞性的增强","authors":"Mao Yang , Yongjian Mao , Jun Zhang , Bin Han","doi":"10.1016/j.engstruct.2025.120658","DOIUrl":null,"url":null,"abstract":"<div><div>Corrugated sandwich cylindrical shells with prefabricated circumferential band defects (CSCSPD) were proposed and fabricated. Quasi-static axial compression experiments were performed to evaluate the crushing characteristics. Detailed parametric investigation was conducted to find out more about the failure mechanisms, as well as the effect of geometrical parameters. The surrogate models for structural energy absorption characteristics was established and optimized for design. Compared with the non-defective structure, CSCSPD began to deform at the defect location during the crushing process, and the peak force (<em>PF</em>) would be significantly reduced, but the specific energy absorption (<em>SEA</em>) barely decreased. Additionally, the multi-objective optimization design could further increase the CSCSPD's ability to absorb energy.</div></div>","PeriodicalId":11763,"journal":{"name":"Engineering Structures","volume":"339 ","pages":"Article 120658"},"PeriodicalIF":5.6000,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Enhancement of artificial defects on the crashworthiness of corrugated sandwich cylindrical shells\",\"authors\":\"Mao Yang , Yongjian Mao , Jun Zhang , Bin Han\",\"doi\":\"10.1016/j.engstruct.2025.120658\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>Corrugated sandwich cylindrical shells with prefabricated circumferential band defects (CSCSPD) were proposed and fabricated. Quasi-static axial compression experiments were performed to evaluate the crushing characteristics. Detailed parametric investigation was conducted to find out more about the failure mechanisms, as well as the effect of geometrical parameters. The surrogate models for structural energy absorption characteristics was established and optimized for design. Compared with the non-defective structure, CSCSPD began to deform at the defect location during the crushing process, and the peak force (<em>PF</em>) would be significantly reduced, but the specific energy absorption (<em>SEA</em>) barely decreased. Additionally, the multi-objective optimization design could further increase the CSCSPD's ability to absorb energy.</div></div>\",\"PeriodicalId\":11763,\"journal\":{\"name\":\"Engineering Structures\",\"volume\":\"339 \",\"pages\":\"Article 120658\"},\"PeriodicalIF\":5.6000,\"publicationDate\":\"2025-05-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Engineering Structures\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0141029625010491\",\"RegionNum\":1,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENGINEERING, CIVIL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Engineering Structures","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0141029625010491","RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, CIVIL","Score":null,"Total":0}

引用次数: 0

摘要

提出并制作了带预制环带缺陷（CSCSPD）的波纹夹层圆柱壳。通过准静态轴压试验对其破碎特性进行了评价。进行了详细的参数研究，以进一步了解破坏机理以及几何参数的影响。建立了结构吸能特性的替代模型，并进行了优化设计。与无缺陷结构相比，CSCSPD在破碎过程中在缺陷位置开始变形，峰值力（PF）会显著降低，但比能吸收（SEA）几乎没有降低。此外，多目标优化设计可以进一步提高CSCSPD的吸能能力。

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

Enhancement of artificial defects on the crashworthiness of corrugated sandwich cylindrical shells

Corrugated sandwich cylindrical shells with prefabricated circumferential band defects (CSCSPD) were proposed and fabricated. Quasi-static axial compression experiments were performed to evaluate the crushing characteristics. Detailed parametric investigation was conducted to find out more about the failure mechanisms, as well as the effect of geometrical parameters. The surrogate models for structural energy absorption characteristics was established and optimized for design. Compared with the non-defective structure, CSCSPD began to deform at the defect location during the crushing process, and the peak force (PF) would be significantly reduced, but the specific energy absorption (SEA) barely decreased. Additionally, the multi-objective optimization design could further increase the CSCSPD's ability to absorb energy.

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

Engineering Structures 工程技术-工程：土木

CiteScore

10.20

自引率

14.50%

发文量

1385

审稿时长

67 days

期刊介绍： Engineering Structures provides a forum for a broad blend of scientific and technical papers to reflect the evolving needs of the structural engineering and structural mechanics communities. Particularly welcome are contributions dealing with applications of structural engineering and mechanics principles in all areas of technology. The journal aspires to a broad and integrated coverage of the effects of dynamic loadings and of the modelling techniques whereby the structural response to these loadings may be computed. The scope of Engineering Structures encompasses, but is not restricted to, the following areas: infrastructure engineering; earthquake engineering; structure-fluid-soil interaction; wind engineering; fire engineering; blast engineering; structural reliability/stability; life assessment/integrity; structural health monitoring; multi-hazard engineering; structural dynamics; optimization; expert systems; experimental modelling; performance-based design; multiscale analysis; value engineering. Topics of interest include: tall buildings; innovative structures; environmentally responsive structures; bridges; stadiums; commercial and public buildings; transmission towers; television and telecommunication masts; foldable structures; cooling towers; plates and shells; suspension structures; protective structures; smart structures; nuclear reactors; dams; pressure vessels; pipelines; tunnels. Engineering Structures also publishes review articles, short communications and discussions, book reviews, and a diary on international events related to any aspect of structural engineering.