Title of article
Freevibrationsofnon-uniformcompositecylindricalshellsOriginalResearchArticle
Author/Authors
M.H.Toorani، نويسنده , , A.A.Lakis، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
11
From page
1748
To page
1758
Abstract
Asemi-analyticalinvestigationofdynamicanalysisoflaminatedmulti-layeredanisotropic,openandclosedcylindricalshellshasbeendevelopedbytakingintoaccountthesheardeformationandrotaryinertiaeffects.Thestructuremaybeuniformornon-uniforminthecircumferentialdirection.Themethodusedisacombinationofhybridfiniteelementanalysisandtheshearableshelltheory.Theshellissubdividedintocylindricalpanelshaving5°offreedomsateachnodalline.Thesetofmatricesdescribingtheirrelativecontributionstoequilibriumisdeterminedbyexactanalyticalintegrationoftheequilibriumequationsinsteadoftheusuallyusedandmorearbitrarilyinterpolatingpolynomials.Thistheorygiveszerostrainsforrigid-bodymotionsinsuchawaythatthedevelopeddisplacementfunctionssatisfytheconvergencecriteriaofthefiniteelementmethod.Thistheorycanbeusedforvibrationanalysisofaxisymmetric(n=0),beam-like(n=1)andshellmode(n≥2)behaviorofcylindricalshells.Ityieldsthehighaswellastheloweigenvaluesandeigenmodeswithcomparablehighaccuracy.Reasonableagreementisfoundwithothertheoriesandexperiments.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
941295
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