简介：加利福尼亚海的阵阵暖风轻抚着在长滩举行的TPM年会，也掩盖了集装箱航运业的重大改变。这些变化标志着集装箱班轮的转折点已至，还是将延续可能引发另一起韩进事件的低运价。

简介：川崎汽船加盟万海日本／中国／越南航线；五家班轮公司共同整合新西兰航线；长荣海运调整太平洋航线；汉堡航运提升美东航线服务；总统轮船升级中国／中东航。线

简介：世界地缘政治与经济格局正处于新一轮巨大变革之中。和平与发展仍是当今主题,但总体和平伴随局部战乱,四大环境变化正在重塑世界地缘政治格局：一是互联网、生物技术和能源技术的巨大成就,正改变着世界各个行业的业态和人们的生活方式;二是经济社会的发展、全球中产阶级的增长和经济格局演变,逐步推动世界的多极化。

简介：中国经济在过去几十年间取得了举世瞩目的增长成果,在此过程中也极大地推动了世界海运市场的发展。中国经济目前正经历转型,其引发的变化对航运市场、船东、船舶融资银行及租赁企业、航运业投资者的战略决策具有极其重要的影响。Marsoft团队通过分享对中国海运市场一年来的变化及其影响的见解,希望能够协助行业前瞻未来。

简介：文章在对高职生源变化的现状与特点进行分析的基础上,结合传统教学中遇到的问题,提出落实“以生为本”的教学理念、设计灵活多样的教学方法、更新课程改革理念、优化师资队伍结构、推动数字化教学资源建设等提升教学质量的路径,以期为高职院校提升教学质量提供借鉴。

简介：Wavediffractionoftwoconcentricporouscylinderswithvaryingporositywasstudiedbyusingananalyticalmethodbasedoneigenfunctionmatching.Thefluiddomainaroundthecylindersisdividedintothreesub-domainsandineachsub-domainaneigenfunctionexpansionofthevelocitypotentialisobtainedbysatisfyingtheLaplaceequation,theboundaryconditionsonthefreesurfaceandontheseabed.Theunknowncoefficientsofeigenfunctionexpansionsaredeterminedbyboundaryconditionsontheporoushulls.Inthepaper,theboundaryconditionsarebasedupontheassumptionthattheflowintheporousmediumisgovernedbyDarcy’slaw.Twoporous-effectparametersappliedontwoporouscylindersarefunctionsoftheverticalcoordinateinsteadoftheconstant.Waveloadingontheouterandinnercylinderispresentedinthenumericalresults.

简介：本文以我校航海类专业有关档案、统计资料、年鉴以及国内外航运业发展变化和人才需求的文献资料为研究依据，通过分析航运市场的变化以及对航运人才需求产生的影响，探讨我校航海类专业人才培养。

简介：Acomplianttowerismodeledasapartiallydry,partiallytapered,dampedTimoshenkobeamwiththesuperstructuremodeledasaneccentrictipmass,andanon-classicaldampedboundaryatthebase.Thefoundationismodeledasacombinationofalinearspringandatorsionalspring,alongwithparallellinearandtorsionaldampers(Kelvin-Voigtmodel).Thesuperstructureaddstothekineticenergyofthesystemwithoutaffectingthepotentialenergy,therebyreducingthenaturalfrequencies.Theweightofthesuperstructureactsasanaxialcompressiveloadonthebeam,reducingitsnaturalfrequenciesfurther.Theemptyspacefactorduetothetruss-typestructureofthetowerisincluded.Theeffectofsheardeformationandrotaryinertiaareincludedinthevibrationanalysis;withthenon-uniformbeammode-shapesbeingaweightedsumoftheuniformbeammode-shapessatisfyingtheendcondition.TheweightsareevaluatedbytheRayleigh-Ritz(RR)method,andverifiedusingfiniteelementmethod(FEM).Theweightofthesuperstructureactsasanaxialcompressiveloadonthebeam.Kelvin-Voigtmodelofstructuraldampingisincluded.Apartofthestructurebeingunderwater,thevirtualaddedinertiaisincludedtocalculatethewetnaturalfrequencies.Aparametricstudyisdoneforvariousmagnitudesoftipmassandvariouslevelsofsubmergence.ThecomputationalefficiencyandaccuracyoftheRayleigh-Ritzmethod,ascomparedtotheFEA,hasbeendemonstrated.Theadvantageofusingclosed-formtrialfunctionsisclearlyseenintheefficacyofcalculatingthevariousenergycomponentsintheRRmethod.