船舶设计过程中的变更管理

介绍船舶设计过程中项目管理新的组织模式:矩阵式组织,对新模式下船舶设计管理过程涉及的主要项目管理领域如:范围管理、进度管理、人力资源管理、沟通管理及其变更管理进行分析和论述.     

对集装箱堆场消防设计的建议

通过对集装箱堆场水消防系统设计的分析,结合工程实例,对集装箱堆场消防设计优化提出建议。     

双壳散货船结构设计体会

本文对53000吨系列双壳散货船的结构设计作简要阐述,就该系列船在设计过程中所遇到的问题及解决方法作了详细介绍。     

双块式无砟轨道轨枕的优化设计研究

针对目前我国双块式无砟轨道轨枕在设计、生产、运输、铺设等过程中存在的一些问题进行探讨和分析，并在此基础上对双块式轨枕进行优化设计，以供我国双块式轨枕的设计作参考。     

京沪高速铁路制梁场双层存梁设计研究

结合京沪高速铁路制梁场优化设计实践，对双层存梁方案适用的前提条件、双层存梁的平面布置形式以及存梁区有关周期节点时间等作了较深入的分析探讨；对双层存梁设计的基本思路、方法作了简要阐述。双层存梁方案研究的意义，在于进一步减少临时工程占地，节约土地资源。     

51800DWT冰区加强型成品油轮船体结构设计

51800DWT冰区加强型化学品／成品油轮是广船国际自行开发设计的、具有世界先进水平的北极冰区航线成品油／化学品船。该船可满足全球造船业所公认的高等级规范“瑞典-芬兰冰级1Asuper”。本文结合冰区加强结构设计介绍该船的船体结构设计特点。     

起重机销轴式测力传感器的设计和应用

介绍了粘贴应变片和激光焊接应变片两种销轴式测力传感器,以及它们各自的优缺点。指出起重机销轴式测力传感器选用激光焊接薄膜应变片,能够收到高精度、高稳定性、好重复性的良好效果。     

A closed-loop dynamic simulation-based design method for articulated heavy vehicles with active trailer steering systems

This paper presents a closed-loop dynamic simulation-based design method for articulated heavy vehicles (AHVs) with active trailer steering (ATS) systems. AHVs have poor manoeuvrability at low speeds and exhibit low lateral stability at high speeds. From the design point of view, there exists a trade-off relationship between AHVs’ manoeuvrability and stability. For example, fewer articulation points and longer wheelbases will improve high-speed lateral stability, but they will degrade low-speed manoeuvrability. To tackle this conflicting design problem, a systematic method is proposed for the design of AHVs with ATS systems. In order to evaluate vehicle performance measures under a well-defined testing manoeuvre, a driver model is introduced and it ‘drivers’ the vehicle model to follow a prescribed route at a given speed. Considering the interactions between the mechanical trailer and the ATS system, the proposed design method simultaneously optimises the active design variables of the controllers and passive design variables of the trailer in a single design loop (SDL). Through the design optimisation of an ATS system for an AHV with a truck and a drawbar trailer combination, this SDL method is compared against a published two design loop method. The benchmark investigation shows that the former can determine better trade-off design solutions than those derived by the latter. This SDL method provides an effective approach to automatically implement the design synthesis of AHVs with ATS systems.     

基于知识工程的道岔零部件设计

利用CATIA软件的知识工程进行道岔零部件的系列化设计,建立了企业的三维模型库,显著减少设计人员的重复工作量,提高设计的效率和质量。     

考虑疲劳强度和减轻质量的转向架构架设计

用有限元法对各种载荷工况下的转向架构架进行了疲劳分析,利用人工神经网络和遗传算法最大程度地减轻了转向架构架的质量.