SHIPENGINEERING船舶工程Vol.45No.12023总第45卷，2023年第1期—56—基于SPH-FEM方法的舷侧与冰山碰撞结构响应王翔宇1，李志雨2，孙树政1,3，李辉1（1．哈尔滨工程大学船舶工程学院，哈尔滨150001；2．中国船舶及海洋工程设计研究院，上海200011；3．哈尔滨工程大学烟台研究（生）院，山东烟台264000）摘要：传统的有限元数值仿真对于研究高速碰撞大变形等问题具有一定的局限性，建立一套基于光滑粒子流体动力学（SPH）的水介质中小型冰山与船舶舷侧碰撞数值模拟方法，验证SPH模拟冰材料与船-水-冰耦合的合理性，对不同舷侧部位与不同冰山碰撞工况进行数值模拟，分析碰撞形状、面积和速度等对舷侧结构的应力、应变、结构损伤等的影响规律。研究表明，提出的冰山与舷侧碰撞数值模拟方法具有较高的计算精度，对冰山-船舶碰撞的研究具有重要的参考价值。关键词：SPH；有限元方法；舷侧；冰山碰撞中图分类号：U661.32文献标志码：A【DOI】10.13788/j.cnki.cbgc.2023.01.09StructuralResponseofShipboardIcebergCollisionBasedonSPH-FEMMethodWANGXiangyu1,LIZhiyu2,SUNShuzheng1,3,LIHui1(1.CollegeofShipbuildingEngineering,HarbinEngineeringUniversity,Harbin150001,China;2.MarineDesignandResearchInstituteofChina,Shanghai200011,China;3.YantaiGraduateSchool,HarbinEngineeringUniversity,Yantai264000,Shandong,China)Abstract:Thetraditionalfiniteelementnumericalsimulationhascertainlimitationsforstudyingtheproblemsofhigh-speedcollisionandlargedeformation.Asetofnumericalsimulationmethodofsmallandmedium-sizedicebergsinwatermediumandshipsidecollisionbasedonsmoothedparticlehydrodynamics(SPH)methodisestablished,whichverifiestherationalityofSPHmethodtosimulatethecouplingbetweenicematerialandshipwaterice,andnumericallysimulatesthecollisionconditionsofdifferentsidepartsanddifferenticebergs.Theeffectsofcollisionshape,areaandvelocityonthestress,strainandstructuraldamageofthesidestructureareanalyzed.Theresearchshowsthatthenumericalsimulationmethodoficebergsandshipboardcollisionhashighcalculationaccuracy,andhasimportantreferencevalueforthestudyoficebergs-shipcollision.Keywords:smoothedparticlehydrodynamics(SPH);finiteelementmethod(FEM);shipboard;icebergscollision0引言随着...
