第44卷第2期2023年2月哈尔滨工程大学学报JournalofHarbinEngineeringUniversityVol.44№.2Feb.2023环向加筋夹层圆柱壳体应力计算方法曹晓明,喻卫宁,王磊,李钊,张昊,赵志高(武汉第二船舶设计研究所,湖北武汉430064)摘要:针对环向加筋夹层圆柱壳体的应力计算问题,本文提出内、外壳板纵向力计算模型,建立了环向加筋夹层圆柱壳体在外压载荷作用下的应力解析计算方法,计算结果与有限元结果吻合较好;以10%误差(解析应力值与有限元值的偏差)为衡准,初步提出该方法的适用条件;同时系统探究了各形状参数对环向加筋夹层圆柱壳体关键位置应力的影响规律。为超大潜深新型耐压结构设计提供理论基础。关键词:环向加筋;夹层圆柱壳;应力;解析方法;耐压结构;强度;纵向力;结构设计DOI:10.11990/jheu.202105005网络出版地址:https://kns.cnki.net/kcms/detail/23.1390.U.20221101.1147.002.html中图分类号:U661.4文献标志码:A文章编号:1006-7043(2023)02-0181-09Stressanalysisofring-stiffenedsandwichcylindricalshellsCAOXiaoming,YUWeining,WANGLei,LIZhao,ZHANGHao,ZHAOZhigao(WuhanSecondShipDesignandResearchInstitute,Wuhan430064,China)Abstract:Inviewofthestresscalculationmethodofthering-stiffenedsandwichcylindricalshell,firstlythelongitu-dinalforcedistributionmodeloftheinnerandoutershellplatesisproposed,andarelativelycompletestresscalcu-lationmethodisestablished,thestresscalculationresultsareconsistentwiththefiniteelementresults.Then,basedonthe10%error(thedeviationbetweentheanalyticalstressvalueandthefiniteelementvalue),theapplicableconditionsofthestresscalculationmethodareinitiallyproposed.Atthesametime,theinfluencelawofdesignpa-rametersonthestressatthekeypositionsofthering-stiffenedsandwichcylindricalshellisfullyobtained,whichcanprovideatheoreticalbasisforthedesignofthenewpressure-resistantstructurewithdeeperdivingdepth.Keywords:ring-stiffened;sandwichcylindricalshells;stress;theoreticalmethod;pressurestructures;strength;longitudinalforce;structuredesign收稿日期:2021-05-05.网络出版日期:2022-11-02.基金项目:国家自然科学基金项目(11902229,11991034);“武汉黄鹤英才”项目(2019)作者简介:曹晓明,男,硕士研究生;李钊,男,高级工程师,硕士生导师.通信作者:李钊,E-mail:lizi@u...
