Fortran programs for a 3-D four-noded curved beam element(MS)

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1、Fortranprogramsfora3-Dfour-nodedcurvedbeamelement:ARCHCODEversion1.0JingLiAppendixtothethesisAgeometricallyexactcurvedbeamtheoryanditsfiniteelementformulation/implementationsubmittedtothefacultyoftheVirginiaPolytechnicInstituteandStateUniversityinpartialfulfillmentoftherequire

2、mentsforthedegreeofMasterofScienceinAerospaceEngineeringRakeshK.Kapania,ChairEricR.JohnsonRaymondH.PlautDecember28,2000Blacksburg,VirginiaKeywords:Curvedbeam,geometricallyexactnonlinear,finiterotations,finiteelement.
cCopyright2000,JingLiFortranprogramsfora3-Dfour-nodedcurvedb

3、eamelement:ARCHCODEVersion1.0JingLiRakeshK.KapaniaAerospaceandOceanEngineeringVirginiaPolytechnicInstituteandStateUniversityTableofContents1.Introduction………………………………………………………………………22.ListsofARCHCODEversion1.0Fortransourcefilesanddatafiles……….33.HowtocompileandruntheARCHCODEv

4、ersion1.0?………………………54.Theformatoftheinputfile:archcode.in……………………………………....75.Somesamplearchcode.infilesfortheexamplesinthethesis………………..13Example1Unrollingandre-rollingofacircularcantileverbeam………….13Example2Post-bucklinganalysisofaclamped-hingedcirculararch………15Example345-

5、degreebend……………………………………………………..19Example4Cantileverbeamsubjectedtoconservativeandnon-conservativedistributedloads…………………………………………………….20Example5Bifurcationbucklingofacirculararchwithtwohinges…………226.ARCHCODEversion1.0Fortransourcefiles………………………………..25analy0.f………………………………………

6、…………………………………..25analy1.f…………………………………………………………………………..31analy2.f…………………………………………………………………………..40analy3.f…………………………………………………………………………..105analy4.f…………………………………………………………………………..111analy5.f…………………………………………………………………………..135analy6.f…………………………………………………………………………..150eigenrgrgg.f……

7、………………………………………………………………..160References………………………………………………………………………….20311.IntroductionTheARCHCODEisaspecialpurposeFortranprogramusinga3-Dfour-nodedcurvedbeamelement(and1-DOFhingemodel)basedonageometricallyexactcurvedbeamtheorywithrigidcross-sectionassumption.Thebeamelementha

8、sthefollowingfeatures:(i)canbeusedfor3-Dnaturalcurved/twistedslenderandthic