 Wysłany: Nie 0:05, 08 Maj 2011 Temat postu: franklin & marshall Thick cross-sectional structur |
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Thick cross-sectional structure of the free vibration of conical shell Edition, Beijing, Tsinghua University Press , 1987 IrieT, YamadaG. AomuraS, NaturalfrequenciesofMindlindrcularplates. AEJ. App1. hJJ. 1982l47 (3) l625-655FreeVibrationofThickTruncatedConicalShellCaiXianxl (NanhuaPowerplantResearchInstituteZhuzhou, 412002) AbstraetAtruncatedconicalshel1isanimportantstructura1componentinal1industria1applications. Analysisofthevibrationoftheshellisofgreatimportance. WhentheshellistOOthick, theKirchlhherftheoryofthinshellsisnolongeravailable. Inthispaper,Ed Hardy mexico, fromthetheoryofplatesandshellandtheMindlinas-sumption,franklin & marshall, asetoffirst-orderdifferentia1equationswithr ~ pecttothetenstateparametersofathicktrun-cotedconicalshellarederived. Thedifferentialequationsarethensolvedbyusingthediscrete-varlablemethod. inwhichtherelationshipofthestateparameteretweenthetwoboundarypointsisobtainedbysolvingtheinitialvalueproblem, andthefrequencyequationisestablished. Inordertoincreasetheaccura-cyandthesteadinessofthesolution. asub-structuremethodisproposedinwhichathicktruncatedconica1shetlisdividedintoanumberofsub-structuresandtheRiccatitransformisusedtotransrthestatepa-rametersthroughallsub-structures. Intheendofthepapertwoexamples. afreediskwithtwodifferentthicknesses, andabevelgear, arepreselitedandtheresultsarecomparedwiththoseofexperiment, thoseoffiniteelementmethodandthosereportedbyotherinvestigatorsutilizingdifferentanalyticalandnumericaltechniques. Theexamplesshowthattheaccuracyofthepresentmethodissatisfactoryandhasahighst ~ adiness. keywords: thickwallshell, freevibration,ed hardy vaatteet, discretevariablemethod,mulberry outlet, substructuremethod, Riccatitrans-form 相关的主题文章： mulberry outlet Printing ink off the roller causes Abercrombie and Fitch Environmental high-tech indu franklin & marshall Modify the characteristics of |
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