摘要
Theunbondedflexiblepipeofeightlayers,inwhichallthelayersexceptthecarcasslayerareassumedtohaveisotropicproperties,hasbeenanalyzed.Specifically,thecarcasslayershowstheorthotropiccharacteristics.Theeffectiveelasticmoduliofthecarcasslayerhavebeendevelopedintermsoftheinfluenceofdeformationtostiffness.Withconsiderationoftheeffectiveelasticmoduli,thestructurecanbeproperlyanalyzed.Alsotherelativemovementsoftendonsandrelativedisplacementsofwiresinhelicalarmourlayerhavebeeninvestigated.Athree-dimensionalnonlinearfiniteelementmodelhasbeenpresentedtopredicttheresponseofflexiblepipesunderaxialforceandtorque.Further,thefrictionandcontactofinterlayerhavebeenconsidered.Comparisonbetweenthefiniteelementmodelandexperimentalresultsobtainedinliteraturehasbeengivenanddiscussed,whichmightprovidepracticalandtechnicalsupportfortheapplicationofunbondedflexiblepipes.
出版日期
2011年04月14日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)