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1、CompositesandDynamicFailures:ExperimentalandNumericalSolvingStrategiesandSolutionsDanielCoutellierAbstractTheconstraintsrelatedtostructuresdesigninthefieldoftransportationareincreasinglycomplexinordertocomplywithsafetystandards.Compositematerialsbeingincreasinglywidespreadwith
2、inthesestructures,theirbehaviormustthereforebemoreaccuratelymastered.Currentnumericaltoolscannowpermitanaccuratesimulationinthestaticfield,butconcerningfasttransientproblems,theavailablenumericalmethodsarenotoptimalyet.Startingfromconcretecases,thischapterintroducesproblemsolv
3、ingstrategies.Aprocedureisthenpresentedtoimprovenumericalsimulationsinthefieldofrapiddynamics.Itincludestheestablishmentofexperimentalprotocolstoassistinathoroughunderstandingofmaterialsbehavior.Theseexperimentalstudiescanthenprovidemodels,lawsandmethodologiestobettersimulatet
4、hebehaviorofcompositestructuresunderdynamicload.Howeverexperimentationissometimescomplicatedbythesizeofstructures.Thesimilitudetechniquescanthenprovideasolution.Similitudetechniquesareusedtostudycompositematerialssubjectedtoimpact.Weproposehereanapproachallowingmodelingandnum
5、ericalsimulationvalidatedonanindustrialcase.KeywordsRapiddynamics•Composite•Damage•Scaleeffect1IntroductionStructuraldesigninthetransportationfieldmustcomplywithnumerouscon-straintsinordertomeetbothenvironmentalandrecyclingcriteria.Increasinglyintegratingfeatureswithincomponen
6、tscontributestoon-goingweightreductionD.Coutellier()LAMIHUMRCNRS8201,UniversityLilleNorddeFrance,Valenciennes,FranceUniversityofValenciennes,F-59313Valenciennes,Francee-mail:daniel.coutellier@univ-valenciennes.frS.Abrateetal.(eds.),DynamicFailureofCompositeandSandwichStructu
7、res,611SolidMechanicsandItsApplications192,DOI10.1007/978-94-007-5329-714,©SpringerScienceCBusinessMediaDordrecht2013612D.Coutellierinordertoincreasethecapacitiesandreduceconsumptionwhileretaining,orevenimproving,themechanicalperformance.Theseprimaryobjectivesresultinincrease
8、duseofcompositematerials,plasticsandalternativenewmaterialsandsandwi
