【摘 要】
：
The unbonded flexible pipe of eight layers,in which all the layers except the carcass layer are assumed to have isotropic properties,has been analyzed.Specifica
【机 构】
：
College of Shipbuilding Engineering
【基金项目】
：
the \"111\" Project of China;State Key Laboratory of Ocean Engineering of Shanghai Jiao Tong University;the Fundamental Research Funds for the Central University
论文部分内容阅读
The unbonded flexible pipe of eight layers,in which all the layers except the carcass layer are assumed to have isotropic properties,has been analyzed.Specifically,the carcass layer shows the orthotropic characteristics.The effective elastic moduli of the carcass layer have been developed in terms of the influence of deformation to stiffness.With consideration of the effective elastic moduli,the structure can be properly analyzed.Also the relative movements of tendons and relative displacements of wires in helical armour layer have been investigated.A three-dimensional nonlinear finite element model has been presented to predict the response of flexible pipes under axial force and torque.Further,the friction and contact of interlayer have been considered.Comparison between the finite element model and experimental results obtained in literature has been given and discussed,which might provide practical and technical support for the application of unbonded flexible pipes.
其他文献
城市化进程当中最突出的标志是各类服务设施的齐备和完善，尤其在高层建筑逐渐增多的背景下，一方面在可以丰富建筑体的功能，另一方面可以为业主提供各种生活便利。其中，以供暖工程
城市化关系到一个国家的经济、社会、环境等各个方面，对一国社会经济的全面协调发展具有极为重要的作用。亚太地区作为世界人口最稠密的地区之一，已经成为世界上城市化增长速度
以蜜胺泡沫体为模板,采用氟化聚酰业胺制备了微孔泡沫炭.测定了其对环境中水气的吸附/脱附行为,发现:泡沫炭在空气中400℃活化1 h,可以提高其对水气的吸附能力.与活化前相比,
Underwater gliders,which glide through water columns by use of a pair of wings,are efficient long-distance,long-duration marine environment observatory platform
文章论述了目前我国电算化存在的问题；并着重以适应社会主义市场经济改革与发展的思路及目标为依据，顺应当今网络时代的发展潮流及我国融入世界经济一体化的发展趋势，分析和展望
在氩气保护气氛下,熔炼Mg-14Li-1Al(LA141),LA141.0-3Y、LA141.0-3Sr和LA141-0.3Y-0.3Sr合金.通过扫描电镜(SEM)、X-射线衍射(xRD)和能谱分析研究这几种合金的组织.结果表明:
过去我国的住宅排水的方法大多数都是将水器具的的排水管铺设在房间的上部,然而随着我国的建筑业的发展以及人们对人性化的追求,这传统的排水方法已经不符合未来发展的需要了
电力是经济发展的重要物质基础,经济发展是电力发展的内在动力,电力需求的增长更是国民经济的“情雨表”.本文收集了2000-2012年以来13年的全社会用电量的相关数据,基于SPSS
This paper presented the studies on the optical properties and calculation of spectral parameters of europium doped lanthanum oxychloride nanophosphor for their
本文从旅游经济视角分析咸宁作为拥有丰富旅游资源的城市吸引着众多外国游客,为了让外国游客更好地了解咸宁,促进旅游经济的发展,针对咸宁的旅游资源特点进行导游词的英语翻