CONTENTS
Changes–current.................................................................................................. 3
Section1General....................................................................................................6
1Introduction.........................................................................................6
2Objective..............................................................................................6
3Scope................................................................................................... 6
4Application...........................................................................................6
5References........................................................................................... 6
6Definitionsandabbreviations.............................................................. 7
7Symbols............................................................................................... 8
8Overviewofstructuralanalyses.......................................................... 9
Section2Hullmaterialselection.......................................................................... 12
1Hulltemperature............................................................................... 12
2Hullmaterialsselectionfortype-Atankdesigns................................12
3Materialsselectionfortype-Btanks.................................................. 16
Section3Localstrength-gasfueltanks..............................................................17
1Requirementsforscantlings.............................................................. 17
2Longitudinalbulkheads......................................................................17
3Woodanddamplates........................................................................17
Section4Cargoholdfiniteelementanalysis........................................................ 20
1General.............................................................................................. 20
2Structuralidealization........................................................................20
3Designapplicationofloadcasesandloadingconditions....................23
4Analysisprocedureforassessmentofsupports.................................24
5Acceptancecriteriaforultimateandaccidentalstrength................... 29
Section5Localstrength-gasfueltanksupports.................................................31
1General.............................................................................................. 31
2Locationsandloadstobeconsidered................................................31
3Finemeshmodelofsupports............................................................ 33
4Loadcases......................................................................................... 36
5Acceptancecriteria............................................................................ 36
Section6Fatigueanalysis-gasfueltankandsupport.........................................37
1General.............................................................................................. 37
Contents
Classguideline—DNV-CG-0554.EditionAugust2021 Page4
Gasfuelledcontainershipwithindependentprismatictankstype-Aandtype-B
DNVAS
