简介：一个有限体积算法被建立以便调查二维的水动力学问题。这些包括粘滞和在大或相对的运动的情况中的免费僵硬身体的免费表面流动相互作用。有在接口的复杂变丑的二阶段的流动用液体算法的部分步卷被模仿。另外，身体运动被一个重叠网孔系统捕获。这里，流动变量用维持实现的空间discretisation的秒顺序精确性的一个简单充分含蓄的非保守的插值计划被转移。代码被开发，问题的一个适当集合调查了。结果为一个虚拟水动力学实验室的开发显示出好潜力。

简介：Shipcollisionaccidentsarerareeventsbutposehugethreattohumanlives,assets,andtheenvironment.Manyresearchershavesoughtforeffectivemodelsthatcomputeshipstochasticresponseduringcollisionsbyconsideringthevariabilityofshipcollisionscenarioparameters.However,theexistingmodelswerelimitedbythecapabilityofthecollisioncomputationalmodelsanddidnotcompletelycapturecollisionscenario,andmaterialandgeometricuncertainties.Inthispaper,anovelframeworktoperformancecharacterisationofshipsincollisioninvolvingavarietyofstrikingshipsisdeveloped,bycharacterisingthestructuralconsequenceswithefficientresponsemodels.Adouble-hulloilcarrierischosenasthestruckshiptodemonstratetheapplicabilityoftheproposedframework.Responsesurfacetechniquesareemployedtogeneratethemostprobableinputdesignsetswhichareusedtosampleanautomatedfiniteelementtooltocomputethechosenstructuralconsequences.Theresultingpredictor-responserelationshipsarefittedwithsuitablesurrogatemodelstoprobabilisticallycharacterisethestruckshipdamageundercollisions.Asdemonstratedinthispaper,suchmodelsareextremelyusefultoreducethecomputationalcomplexityinobtainingprobabilisticdesignmeasuresforshipstructures.Theproposedprobabilisticapproachisalsocombinedwithavailablecollisionfrequencymodelsfromliteraturetodemonstratetherisktolerancecomputations.