简介:对某圆筒形浮式生产储油装置(FloatingProduction,StorageandOffloading,FPSO)进行概念设计,通过计算和分析,掌握此类装置的设计方法和要点.通过对不同设计工况进行分析比较,得到其设计控制载荷为构件设计压力的结论.此外,圆筒形FPSO全船有限元分析结果表明,阻尼板与船体外壳连接区域相对应力较高,需重点关注.根据结构分析结果,对几种不同布置和分舱的设计方案进行对比,得到圆筒形FPSO整体设计轻量化的优化思路,可供相关海洋工程设计人员参考.
简介:GiventherecentsuccessinthedevelopmentofseveralsubmersiblesinChina,people’sinterestinthehistoryofsubmersibledevelopmentisincreasing.ThispaperpresentsthehistoryofsubmersibledevelopmentinChina,whichcanbebrieflydividedintothreeperiods.Thefirstoneistheearlyperiodofhardship(1971–2000).ManyprototypesubmersiblesofHOVs,ROVs,andAUVsweredevelopedatthistime,butthemainachievementwastheestablishmentofspecialresearchorganizationsandthetrainingofresearchanddevelopmentpersonnel.Thesecondperiodcanberegardedasthequickdevelopmentperiod(2001–2015).Allcurrentlyusedsubmersiblesweredevelopedduringthisperiod.Themostremarkableachievementwasthesuccessfuldevelopmentof7000m-deepmannedsubmersibleBJiaolong.^Thethirdperiodaimstodevelop11000msubmersiblesforchallengingthefulloceandepth(2016–2020).Inthisperiod,twounmannedsubmersiblesandtwomannedsubmersibleswillbethesignificantindicatorsofachievement.Ifthis5-yearplancanbesuccessfullycompleted,Chinacanplayasignificantroleintheinvestigationofthedeepestpartoftheoceans,namely,thehadaltrenches(6500–11000m).