hull girder造句

• Study on hull girder strength calculation methods of large naval ship
  大型舰船总纵强度计算方法研究
• The reliability analysis of ultimate strength of fpso hull girder under towing condition
  的船体梁极限强度可靠性分析
• Time - variant reliability analysis of ship hull girders subjected to fatigue and corrosion
  考虑疲劳与腐蚀影响的船体梁时变可靠性分析
• In the modern ship construction design research realm , people pay more and more attention to the ultimate strength of ship hull girders
  在现代船体结构设计的研究领域中，船体梁的极限状态分析已愈来愈受到人们的重视。
• The author ' s program can resolve the following problems : ultimate strength of hull girder , the panel ' s curve of stress - strain
  作者的程序可解决如下问题：船体梁的极限承载能力以及加筋板单元的平均应力-应变关系曲线。
• The panels of hull girder may collapse or buckle before it reaches the yield stress . the curve of the stress - strain is usually constituted by stable zone - , non load - shedding zone and load - shedding zone
  并且船体截面的组成单元(一般是加筋板单元)在达到材料屈服应力之前还可能发生多种形式的屈曲。
• Taking " nanhai fenjin " fpso as example , the analyses show that the loading / unloading courses of the fpso have marked effects on the longitudinal strength of hull girder and safety
  通过对15万吨“南海奋进”号浮式生产储油船分析表明，该fpso营运过程中装卸载风险对船体梁纵向强度和安全性具有显著影响。
• For a naval ship with a long strength superstructure and a lot of hatch , it is difficult to evaluate the hull girder ' s strength by general beam theory because of the complexity of the hull structure
  摘要当舰船设有长度较长但开口较多的上层建筑时，其船体结构的复杂性使船体总强度很难用常规的梁理论方法确定。
• The formulation has been applied to a bulk carrier which sails in the north atlantic ocean . furthermore , the effects of maintenance actions in increasing the reliability level of ship hull girder are analyzed
  由此可见，对存在疲劳和腐蚀损伤的船体梁进行时变可靠性分析时，必须考虑维修因素的影响才能更加符合实际情况。
• It ' s very important to analyse the ultimate strength of hull girder in ship design . and the aim of the analysis is to get the numerical value of the loads or assembled loads which conduce structure invalidation
  船体梁总纵极限强度分析在船舶设计中是一个很重要的问题，它是探索导致船体截面单元破坏的那些载荷的大小及其组合。
• For this purpose , a simple method was proposed to simulate the progressive collapse behavior of a ship ' s hull girder subjected to longitudinal bending . in this method the cross section of hull girder is divided into small elements composed of a stififener and attached plating
  传统上，船体总纵强度是通过比较许用应力和在名义垂向波浪弯矩作用下甲板或船底上距中和轴最远点的弹性应力来进行评估的。
• The author analyses the influence of welding stress and inner stain to the ultimate strength of the model and hull girder , and then checks with some famous experts " results from international ship & offshore structures congress . the result is approving
  文章在对大量的计算数据和图形表格做分析的基础上，将计算结果与来自国际船舶及海洋大会( issc )的著名学者的计算结果进行了比较，结果是令人满意的。
• This is because that the perfect construction design is closely neted the true strength store of the ship girders . however , in order to understand the actual strength store of ship hull girders , we must have a right assessment of the ultimate strength of ship hull girders
  这是因为完善的结构设计是与船体梁的真实强度储备紧密地联系在一起的。而要了解船体梁实际的强度储备就必须对船体梁的极限强度有一个正确的分析和评估。
• The ferry - borges load combination method is applied to combine the stochastic processes of stillwater and wave bending moments , and the failure of ship hull girder occurs when the combined value of stillwater and wave bending moments exceeds the first yield bending moment
  另一方面，船舶在服役期内要定期接受检验，一旦发现船体构件严重受损，则要对其进行修理。遭受损伤的构件在维修后能恢复其对船体强度的贡献，从而提高船体梁的可靠性水平。
• It shows that the degradation effects of fatigue and corrosion have important influence on the safety of ship structure , especially after the ship has put into service for 10 years . and the detailed inspection should be done at this time to maintain the reliability level of ship hull girder
  计算结果表明：疲劳裂纹和环境腐蚀在船舶服役10年之后对船体梁可靠性有显著的影响，此时开展详细的船体结构检验对保证船舶营运的安全性具有重要意义。
• Abstract : the time - variant reliability analysis of ship hull girders subjected to the deg r adations of fatigue and corrosion is quantitatively carried out in this paper . th e analytical formulations are derived and simple program is compiled . as a case s tudy , the time - variant reliability of a vlcc tank is calculated . it shows that th e degradation effects of fatigue and corrosion are very important for the load - c a pacity calculation of thsip hull girders . after the second special inspection ( 10 years ) , the detailed inspection should be done in order to guarantee the safety of ship navigation
  文摘:定量考虑船体构件疲劳裂纹扩展和环境腐蚀对船体梁承载能力的双重衰减因素的影响，对船体梁的时变可靠性进行了分析，列出了时变可靠性分析公式并编制了相应的计算程序.以一艘大型油船的结构可靠性为例，表明疲劳裂纹和环境腐蚀在第二个特检年( 10a )之后对船体梁承载能力有显著的影响，此时开展详细的船体结构检查对保证船舶营运的安全性具有重要的意义
• Finally , on base of the above research contents , a program is developed in fortran language by using this simplified method to analyse the ultimate strength of ship hull girders . in comparison with the results from some famous experts of international ship & offshore structures congress . this simplified method has engineering accuracy and can be used in the pre - phase of design
  最后，在总结上述研究内容的基础上，本文编制开发了一套具有工程实用价值的船体极限强度的计算程序，经计算与来自国际船舶钢结构委员会著名学者的计算结果进行了比较，说明该程序简单、可靠，可方便地应用于船舶强度校核和评估。
• The plating in ships is generally subjected to combined in - plane and lateral pressure loads . in - plane loads include biaxial compression / tension and in - plane bending and edge shear , which are mainly induced by overall hull girder bending and / or torsion of the vessel . lateral pressure loads are due to water pressure and cargo
  面内载荷分为轴向压应力或拉应力、边缘剪切应力以及面内轴向弯曲应力。实际的船舶结构中面内载荷通常由船体梁的总纵弯曲或者船体梁的扭转引起。侧向压应力则由水压力和货物压力引起。
• Then , a step - by - step increase of vertical curvature is applied to the hull girder assuming that the plane cross section remains plane . at each incremental step , the stress of the cross section is evaluated using the average stress - strain curves of the elements as well as the incremental bending moment due to the curvature increment . performing sample calculations on existing girder models tests under pure bending , the rationality of the proposed method was examined
  假设船体横向框架材足够强，因而板架的整体破坏不会发生；基于梁?柱理论、理想弹塑性假设、平面假设，建立了拉伸和压缩加筋板单元的平均应力?应变关系曲线，应用船体结构总纵极限强度的简化逐步破坏分析方法计算船体总纵极限弯矩，并据此开发了计算程序sus 。
• This thesis used along caldwell ' s direct calculation method of the ultimate strength of ship hull girders , considered the double bottom and upperwing tank to ship ultimate strength contribution , first defined the stress distribution of the whole section of the ship girders . that is : in the sagging condition , deck and side shell of nearby deck remain the ultimate bucking strength , double bottom remain the yield stress . and the other parts keep elasticity
  本文沿用caldwell等人直接计算船体极限强度的思想，考虑双层底和顶边水舱对船体极限强度的贡献，首先将船体梁整体破坏时剖面应力分布确定为：在中垂状态下，甲板及甲板附近的舷侧均屈曲，双层底区域则均屈服，其他部分保持弹性状态；在中拱状态下，双层底及之间的底舷侧均屈曲，甲板及顶边水舱区域均屈服，其他部分则保持弹性状态。