1. [2]Bushnell, D.andBushnell,W.D.,Shellbuckling website, http://shellbuckling.com/,inparticularthe "GENOPT"pageof thatwebsiteandthetwounpublished fullreports andtheir associatedfigures andtables, "Optimization of PropellantTanks SupportedbyOptimizedLaminatedCompositeTubularStruts",byDavid Bushnell,January - March2012,and"Optimizationof PropellantTanks SupportedbyOneorTwoOptimized LaminatedCompositeSkirts",byDavidBushnell,February - June2012. Thesetwodetailedreports and associatedfigures andtables,writtenbeforeMichaelJacobyandCharles RankingeneratedtheSTAGS models andpredictions,canbedownloadedbywebsitevisitors.NOTE:Thesedetailed reports giveconfigurations that arenow outof datebecausecertainerrors werefoundandothersoftwaremodifications weremadeafterthe detailedreports werewritten.In spiteof this,thedetailedreports areinstructivebecauseof other information giveninthem.Inordertodownloadthetwounpublishedfullreports andtheirassociatedfigures andtables,go tothe"Downloads"pageof thewebsite, http://shellbuckling.com/ , anddownloadaverylargecompressed "tar"file(about700Mbytes)containingthelatestversions of thefollowingcomputer programs/documentation/cases createdovermanyyears byDavidBushnell:BOSOR4,BIGBOSOR4, BOSOR5,PANDA2andGENOPT,andasmallfile,"How toRunonLINUX".Generatetheproperdirectory structurefor thefiveprograms;gotothedirectory,/genopt/case/tank;copythefile,tanktank2.tar.gztoa workingdirectory;gotothatworkingdirectory;decompress (gunzip) thefile,tanktank2.tar.gz;disassemblethe resultingfile,tanktank2.tar(tarxvf tanktank2.tar);anduncompress anddisassemblethreeof theresultingfiles, general.info.tar.gz,tank.tar.gz(strut-supportedtank),andtank2.tar.gz(skirt-supportedtank).Allof thefiles referredtointhis papercanbeobtainedbythis procedure.Thetwo"unpublishedfullreports"mentionedatthe beginningof this referencearelocatedinthe"folder"called"tanktank2",whichappears inalistof theentities thatexistfollowingyourcommand,"tarxvf tanktank2.tar".The"folder"called"tanktank2"contains thetwo "folders",tank.paper(strut-supportedpropellanttank) andtank2paper (skirt-supportedpropellanttank).The tank.paper"folder"contains several"folders",inparticular thetwo"folders"called"tankfigsdoc"(the"tank" figures) and"tanktablesdoc"(the"tank"tables) andthefilecalled"tankpapertext.pdf"(thetextof the unpublishedfullreportonthestrut-supportedtank).Thetank2paper"folder"contains several"folders",in particularthetwo"folders"called"tank2figsdoc"(the"tank2"figures)and"tank2tablesdoc"(the"tank2" tables)andthefilecalled"tank2papertext.pdf"(thetextof theunpublishedfullreportontheskirt-supported tank).Theword,"folder", whichis jargonusedontheiMACcomputers,canbereplacedbytheword, "directory",appropriateforworkstations.
2. Theoretical basis of the PANDA computer program for preliminary design of stiffened panels under combined in-plane loads