{"title":"A study for the bending vibration analysis of the intermittently welded stiffened plate","authors":"Yong-Ho Ri, Un-Ryong Rim, Ji-Song Mun","doi":"10.1016/j.marstruc.2024.103674","DOIUrl":null,"url":null,"abstract":"<div><p>A simplified analytical method for analyzing the dynamic behavior of the intermittently welded stiffened plate is newly proposed.</p><p>The plate and stiffener are considered as individual beams, and the influence of the longitudinal internal shear force per unit length at the stiffener-to-plate junction of a continuously welded stiffened plate is considered. The whole span of an intermittently welded stiffened plate is divided into welded and non-welded segments. The intermittently welded stiffened plate is changed into equivalent continuously welded one, and a model for the bending vibration analysis of the intermittently welded stiffened plate is developed. The governing equation for the bending vibration analysis of the intermittently welded stiffened plate by the influence function method is formulated and a practical approach is newly developed to solve the governing equation for the bending vibration analysis of the intermittently welded stiffened plate. The numerical calculation for bending vibration analysis of the intermittently welded stiffened plate is carried out. A comparison of results from the proposed method with the finite element analysis results is carried out to demonstrate the validity of the proposed method.</p></div>","PeriodicalId":49879,"journal":{"name":"Marine Structures","volume":"98 ","pages":"Article 103674"},"PeriodicalIF":4.0000,"publicationDate":"2024-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Marine Structures","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0951833924001023","RegionNum":2,"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
Abstract
A simplified analytical method for analyzing the dynamic behavior of the intermittently welded stiffened plate is newly proposed.
The plate and stiffener are considered as individual beams, and the influence of the longitudinal internal shear force per unit length at the stiffener-to-plate junction of a continuously welded stiffened plate is considered. The whole span of an intermittently welded stiffened plate is divided into welded and non-welded segments. The intermittently welded stiffened plate is changed into equivalent continuously welded one, and a model for the bending vibration analysis of the intermittently welded stiffened plate is developed. The governing equation for the bending vibration analysis of the intermittently welded stiffened plate by the influence function method is formulated and a practical approach is newly developed to solve the governing equation for the bending vibration analysis of the intermittently welded stiffened plate. The numerical calculation for bending vibration analysis of the intermittently welded stiffened plate is carried out. A comparison of results from the proposed method with the finite element analysis results is carried out to demonstrate the validity of the proposed method.
期刊介绍：
This journal aims to provide a medium for presentation and discussion of the latest developments in research, design, fabrication and in-service experience relating to marine structures, i.e., all structures of steel, concrete, light alloy or composite construction having an interface with the sea, including ships, fixed and mobile offshore platforms, submarine and submersibles, pipelines, subsea systems for shallow and deep ocean operations and coastal structures such as piers.
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