第44卷第2期2023年2月哈尔滨工程大学学报JournalofHarbinEngineeringUniversityVol.44№.2Feb.2023大开口船型波浪弯/扭矩间接监测方法范鑫杨1,李辉2,张猛1,曲先强1(1.哈尔滨工程大学烟台研究院,山东烟台264000;2.广东海装海上风电研究中心有限公司,广东湛江524000)摘要:为准确得到大开口船型波浪弯/扭矩监测结果,本文基于船体扭转基本理论研究了大开口船型波浪弯/扭矩间接监测方法。根据船中横剖面弯/扭矩与结构纵向应变之间的关系,提出了一种联合双剖面监测法,并用数值方法建立了波浪弯/扭矩间接监测的数学模型,通过多次数值模拟验证了所识别波浪弯/扭矩的准确性。在联合双剖面监测法中,同时监测船体结构2个邻近的横剖面,分别计算两横剖面的双力矩、弯矩和自由扭转扭矩,得到中间剖面的波浪弯/扭矩。数值模拟结果表明:联合双剖面监测法能够准确地反求出波浪弯/扭矩,特别是在波高较大的情况下反求精度更高。关键词:船体扭转基本理论;联合双剖面监测方法;波浪弯/扭矩间接监测;数值模拟验证;大开口船型;载荷识别;长基线应变仪;双力矩DOI:10.11990/jheu.202106080网络出版地址:https://kns.cnki.net/kcms/detail/23.1390.U.20221027.1445.004.html中图分类号:P751文献标志码:A文章编号:1006-7043(2023)02-0190-07Researchontheindirectmonitoringmethodofwavebending/torqueforlarge-openingshipsFANXinyang1,LIHui2,ZHANGMeng1,QUXianqiang1(1.YantaiResearchInstituteandGraduateSchoolofHarbinEngineeringUniversity,HarbinEngineeringUniversity,Yantai264000,China;2.GuangdongHaizhouOffshoreWindpowerResearchCenterCo.,Ltd.,Zhanjiang524000,China)Abstract:Inthispaper,theindirectmonitoringmethodofwavebending/torqueisstudiedbasedonhulltorsiontheo-rytoaccuratelyobtainthewavebending/torquemonitoringoflarge-openingships.Accordingtotherelationshipbe-tweenthebending/torqueofthemid-shipcrosssectionandthelongitudinalstrainofthehullstructure,acombineddouble-sectionmonitoringmethodisproposed,andamathematicalmodelofindirectmonitoringofwavebending/torqueisestablishednumerically.Theaccuracyofidentifiedwavebending/torqueisverifiedthroughseveralnumeri-calsimulations.Inthecombineddouble-sectionmonitoringmethoddevelopedinthisstudy,twoadjacentcrosssec-tionsofthehullstructurearemonitoredsimultaneously...
