大型集裝箱裝卸橋結(jié)構(gòu)動態(tài)設(shè)計(jì)研究.pdf

1、同濟(jì)大學(xué)博士學(xué)位論文大型集裝箱裝卸橋結(jié)構(gòu)動態(tài)設(shè)計(jì)研究姓名：陳鵬程申請學(xué)位級別：博士專業(yè)：機(jī)械設(shè)計(jì)及理論指導(dǎo)教師：鄭惠強(qiáng)20010801Abstt‘a(chǎn)ctT11emoderntrendforthedevelopmentofcraneislargesizeandhigheffect，andthissetsahighrequirementforcrane’SdynamictraitTheresearchobjectinthisarticlei

2、sthetypeHT150Theideaofdynamicdesignistodesigncrane’SmetalstructureinadynamicmethodbyusingCAD／CAEandmodeltestaswellThismethodhasnotonlysolvedtheproblemsemergedinengineering，butalsoisconstructivetotheapplicationofthedynami

3、cdesignideaintotheanalysisofthelargesizedcranemachinesTogetthedynamictraitsofthecrane，thereisaneedtohaveamodeltestforcranesThistestadoptsthemethodofnatureexciting，thatis，byusingaccelerationsensorofultralowfrequencytogett

4、hevibrationsignalfromthecraneinanaturalenvironment，thentoidentifythemodalparametersfromthesignal，andgettheinherentfrequencyandvibrationpatterni11thefourphasesFiniteElementMethodisverypopularinanalyzingthedynamictraitsofs

5、tructureThisarticleelaborateshowtoestablishthe3DfiniteelementdynamicmodelofthecranetosetasolidbaseforthemodelupdatingandtransientDynamicAnalyzebyusingthelargefiniteeleInentsoftwareANSYSW11ensettingupamodelforthestructura

6、lfiniteelement，weshouldrecognizethatthereisinevitablyadifferencebetweentilemodelandtherealcraneTomakethemodelaccurate，wemustupdatethemodelwiththeresultsofthetestInthisarticle，IusethesmallparametersmethodtouDdatethemodela