 Posted: Sun 3:31, 08 May 2011 Post subject: Tory Burch shoes Vibration -based non-destructive |
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| Vibration -based non-destructive testing in Offshore Platform
portLA a 13074-MS. 199611AnsysVersion5.6. ANSYSInc. , 275TechnologyDrive,Franklin and Marshall uk, Canonurg, PA1531712RenWei-Xin, RoeckGDe. Discussiononstructuraldamagedetectionfrommodalstrainenergychange. JournalofEngineeringMechanics · ASCE,Tory Burch shoes, 2002; 128 (3) :376-377NondestructiveDamageDetectioninOffshorePlatformStructureUsingVibrationMonitoringYangHezhenLiHuajunHuangWeiping (EngineeringCollege.OceanUniversityofChinaQingdao,gorras ed hardy, 266071) AbstractInthispapernondestructivedamagedetection (NDD) inlarge/complexstructuresisinvestigatedbasedonvibrationmonit0ring. Anewmethodofdamagedetectionispresented,Abercrombie and Fitch, whichutilizesaninvariancepropertyofelementmodalstrainen-erRY. ThetheoryofNDDforframetypestructureisformulated. Thismethodiasedonassigningelementmodalstrainen-ergytotwoparts,mbt shoes sale, anddefinestwodamagedetectionindexes. Oneiscompressionmodalstrainenergychangeratio (CMSECR). theotherisflexuralmodalstrainenergychangeratio (FMSECR). ThepresentmodalstrainenergyareobtainedbvincomP1etemoda1shapeandstructuralstiffnessmatrix. Structurehealthmonitoringisthusaccomplishedvlamonitoringtheelementa1CMSECRandFMSECR. Severaldamagecasesaresimulatedwithanoffshoreplatformnumericalmodel (FEM), andpresentedtoillustratetheutilityoftheproposedmethod. Accordingtotheresults, theproposedmethodisshowntobeeffectiveforthecomplexstructuraldamagedetectionandhassatisfactoryprecision. Keywords: structurevibration; nondestructivedamagedetection; offshoreplatformstructure; modalstrainenergy; stuc-turalhealthmonitoring Young and the first vibration of the male , Ph.D. , December 1977 students. Tel : (0532) 5903076; E-mail: yanghezhen ~ hotmail'comrr-T 相关的主题文章： Franklin and Marshall uk Beijing printing industry alexa mulberry taske Indian iron enterprise site m Abercrombie Fitch uk Indian iron enterprise site m |
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