简介：艾米丽搭了一个小游乐场。小动物们在游乐场里做什么呢？你会搭一个什么样的游乐场呢？

简介：埃文搭建了一辆公共汽车。你觉得他的公共汽车要开往哪里呢？你会搭建一辆什么样的公共汽车呢？

简介：看，汤姆在搭小船。他怎样搭的小船呢？他的小船里有哪些乘客？你会搭一条什么样的小船呢？

简介：露西搭了几个保龄球瓶？你会怎样搭保龄球瓶呢？一起打保龄球吧!

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简介：Theidentificationofthecriticalinfrastructurehasshownthatthebuildcivilengineeringinfrastructureisalmostinvolvedeverywhere,evenwiththeIT-infrastructure.Therefore,thepassivesafetyofstructuresisdemanded.Securityassociationshaveanalysedthatmostassaultscamealongwithexplosionandimpactscenarios,whichamountin80%ofassaults.Consequently,thesearetheextraordinaryloadsthestructureshavetobeplannedanddesignedfor.Tocarryoutsuchanengineeringjob,theengineerhastobeeducatedinmultipledisciplinesasphysics,materialscience,continuummechanics,numericalmechanics,testing,structuralengineeringandrelatedspecificfieldsaswavepropagationetc.Inthispaperwewillconcentrateonthesubjectsofnumericalsimulationandtesting.