摘要在能源储备日益枯竭、环境问题越来越严重的当今社会，节能减排已经成为社会 发展所需攻克的必然难关，虽然航运跟其他运输方式相比较在环境绩效上占有相当的 优势，但是随着运输团队规模的愈加庞大，船舶装载量的大幅度提升，船舶愈发的大 型化，随之而来的就是船舶功率的不断增加，因此船舶产生的能耗和温室气体的排放 总量仍然受到了国际社会的关注。所以便有了之后的船舶能效设计指数（EEDI）的 强制性实施，也对整个船舶建造行业提出了更高的要求。81959
本文以船舶能效设计指数为背景，以 57000DWT 级散货船为研究对象，对其运 用 MSC。Patran&Nastran 进行舱段的有限元建模并对该船横向强度及总纵强度进行有 限元的直接计算，在满足《规范》强度要求的基础上，从能效设计指数（EEDI）的 角度对该船的中横剖面结构进行优化，使得该船船体结构变轻，变相地降低了船舶功 率的输出，使得船舶产生的能耗和温室气体排放量随之减少。
本文从数值计算的角度对船体结构重量进行了优化，得到了满意的结果。
毕业论文关键词：能效设计指数（EEDI）；散货船；有限元；结构优化
ABSTRACT In the energy reserves are depleted, more and more serious environmental problem in today's society, energy conservation has become a social development needed to overcome the inevitable difficulties, although shipping with other modes of transport compared to a considerable advantage in the environmental performance, but as increasingly large-scale transport team, greatly enhance the loading of the ship, the ship's increasingly large, and was followed by a ship power continues to increase, so the total amount of ship-generated energy consumption and greenhouse gas emissions continue to be the the international community's attention。 So there the ship Energy Efficiency Design Index (EEDI) after the mandatory implementation, but also for the entire ship building industry has put forward higher requirements。
In this paper, the ship Energy Efficiency Design Index as the background to 57000DWT bulk carrier for the study, carried out its use MSC。Patran & Nastran finite element modeling and cabin of the ship longitudinal strength and lateral strength and total direct finite element calculation, to meet the "standard" required strength basis, from the energy efficiency design index (EEDI) the angle of the cross-section of the ship's structure is optimized, so that the ship hull structure lighter, reducing the ship disguised power output, so that the ship energy consumption and greenhouse gas emissions generated reduced。
From the point of view of the numerical weight of the hull structure has been optimized to give satisfactory results。
Keywords: Energy Efficiency Design Index (EEDI)； Bulk carrier; Finite element; Structure Optimization
目 录
第一章 绪论 1
1。1 研究的背景 。 1
1。2。1 国外研究现状 。 3
1。2。2 国内研究现状 。 4
1。3 研究意义 。 5
1。4 主要内容及结构安排 。 5
第二章 散货船的概述 。 7
2。1 引言。 7
2。2 散货船的分类 。 7
2。3 散货船的特点 。 8
2。4 散货船的发展概况 。 8
2。4。1 散货船的发展历史 。 8
2。4。2 散货船的大型化历程 。 9
2。4。3 散货船的发展趋势 。 9
第三章 57000DWT 散货船货舱分段建模 。 11
3。1 船舶概况 。11
3。1。1 船舶简介 。11 基于能效设计指数EEDI57000吨散货船结构强度评估:http://www.youerw.com/jixie/lunwen_96020.html