双瓣抓斗铰链卡死有限元模型的计算机仿真

首先介绍系统CAE仿真特点和流程,利用系统CAE仿真技术建立抓斗铰链卡死工况的基本有限元模型,指出系统CAE技术常见的零部件装配的有限元处理方法,分析该工况下的边界条件,施加合理的约束与载荷。最后通过计算机仿真结果来验证有限元模型的正确性。     

基于Flexsim的配送中心拣选作业系统仿真与优化

本文研究了Flexsim仿真在配送中心拣选流程优化问题上的应用。以某电商物流配送中心为研究对象,建立基于Flexsim软件的仿真模型,实现了该配送中心从接受订单到到人员拣取、分货、直至拣选完成的一系列作业流程模拟,最后根据仿真运行结果总结作业系统瓶颈问题,提出拣选作业流程优化方案。     

云计算环境下的物流资源调度算法研究

针对系统处理大规模物流调度信息能力不足的情况,提出了一种基于云计算环境下的物流资源调度优化模型对问题进行求解.在云计算环境下处理订单信息、车辆调度信息,并针对所有订单生成最合理的配送方案,通过对物流主要资源配送车辆的调度研究,建立配送路径算法模型以及最小配送成本算法模型,作为物流资源调度方案的解决策略.通过仿真结果表明,该算法能有效处理大量的物流资源调度信息,同时缩短计算求解时间.     

金阳工具制造公司订单管理流程设计

金阳工具制造公司订单管理涌程是以客户为导向，由订单人手，理清生产系统信息流的流程。公司柞据订单制造必须及时了解和处理词单的相关信息，管理由顾客需要而产生的信息流。保证订单信息及时、准确的传递是订单制造（MTO）生产系统的基本条件，是系统平稳运行的基础，是均衡生产的前提。     

杂货码头物流系统仿真模型研究

基于离散事件的动态系统理论,文中建立了杂货码头物流作业流程的仿真模型。最后,借助Witness仿真平台建立了杂货码头物流系统仿真模型。该模型主要用来分析杂货码头的机械调度模式、装卸工艺、生产作业能力、设备优化配置以及其它作业工况。     

供应链建模方法研究

回顾了供应链建模方法、分类及研究现状。在Matlab环境下建立了三级供应链仿真模型,将订单生产的离散事件仿真Stateflow模型和供应链连续运输的时间连续Simulink模型组合成为混杂系统仿真模型。仿真曲线显示出制造商的离散生产状态和分销系统的连续供货状态,为研究供应链运行状态奠定了基础。     

供应链建模方法研究

同顾了供应链建模方法、分类及研究现状.在Matlab环境下建立了三级供应链仿真模型,将订单生产的离散事件仿真Stateflow模型和供应链连续运输的时间连续Simulink模型组合成为混杂系统仿真模型.仿真曲线显示出制造商的离散生产状态和分销系统的连续供货状态,为研究供应链运行状态奠定了基础.     

基于FlexSim的RMFS仓储系统资源配置优化研究

针对RMFS仓储系统拣选订单需求数量变化大,与系统内资源配置数量不匹配问题,本文结合RMFS仓储系统运作特点,将机器人、拣选站、补货站和充电站四种资源作为优化对象,将订单排队长和设备利用率作为系统评价指标,考虑以资源配置数量及系统的运行指标作为决策变量,构建系统运行总成本最低目标模型。基于FlexSim建立RMFS仿真模型,并运用内部“试验器”工具将资源作为运行参数,将总成本作为绩效指标,通过迭代运行求得总成本最低的资源配置方案。通过实例分析,获取了不同订单需求下的最优资源配置方案。结果表明,该方法可以精确的根据订单需求优化仓储资源配置。     

基于OOPN的港口集装箱堆场作业流程仿真优化研究

在阐述集装箱港口平面布局、装卸系统以及集装箱堆场的基本职能、堆存的作业流程之后,利用面向对象Petfi网（OOPN）的建模方法对堆场作业进行建模并做深入分析,并利用计算机模拟仿真技术（ExtendSim仿真软件）,结合所建立的集装箱堆场系统的OOPN模型,对集装箱港口的整个生产作业系统进行数字仿真并实现了模拟,通过对模型输出的仿真结果进行综合分析,剖析堆场的物流活动流程,对其进行集最优化处理,以达到提高堆场的资源利用率、使资源配置成本最小的目的。     

通过信息化提升企业竞争力

誉信公司作为一个以需求为导向的消费型生产企业,需要对企业内外供应链流程进行整体优化,结合生产流程改造,不断适应快速、小批量订单的生产需求,建立供应链管理信息系统,全面提升企业市场快速响应能力,不断增强企业核心竞争力。1.及时掌握市场需求,建立电子订单处理系统。充分     

Development in Information and Communications Technology (ICT) Statistics at the Australian Bureau of Statistics

This paper outlines the ICT statistical developments that the ABS has undertaken over recent years. These developments have been on both the supply side (ICT industry) and the demand side (use of IT by sector). The content of ABS ICT surveys has changed significantly over the last few years and are expected to develop further in line with industry changes and emerging policy needs.
Recent developments in household collections have been the inclusion of IT use questions in the 2001 Census of Population and Housing and in various ABS social surveys such as Children's Participation in Culture and Leisure Activities. Annual business IT use surveys are now conducted and include topics such as Internet commerce and IT security. Biennial ICT industry surveys are conducted to provide data on ICT production, imports and exports, ICT industry employment, performance and structure information. An Internet activity survey is run every six months and provides regional Internet access details and infrastructure details on Internet service providers.
A major development for 2002–03 will be the compilation of an ICT satellite account. ABS intends to produce an ICT Information Development Plan to guide its future statistical development work in the ICT field.     

Value at Risk in the Suburbs: Eminent Domain and the Geographical Politics of the US Foreclosure Crisis

Several US counties and local governments have recently considered a novel solution to the foreclosure crisis. They plan to use eminent domain to compel the owners of mortgage debt—and specifically of private‐label mortgage‐backed securities—to sell the debt to the government at a price reflecting the loan's market value. The government would then restructure the debt and resell it to new investors. The plans are striking because—in contrast to both development‐driven eminent domain and the federal subprime bank bailout—they would force investors to assume asset devaluation and increased long‐term risk. Notably, the plans have emerged as an instance of financialization‐focused politics in suburbs and suburban cities of color, specifically majority‐black and ‐Latino/a suburbs. Local support for the plans, we argue, is rooted in the long‐term disinvestment of these ‘suburbs of exception', which became targets of subprime lending and eventually sites where the ‘financial exception' has been localized. But these demographic shifts, fragmentation and fiscal pressures have at the same time created a suburban political terrain in which the plans have gained their strongest political support.     

Towards a Theory of Serendipity: A Systematic Review and Conceptualization

Serendipity – the notion of making surprising and valuable discoveries – plays a major role in the success of individuals and organizations alike. Previous research has established the importance of serendipity and identified important individual- and organizational-level antecedents. However, the literature has been dispersed and the boundaries of the concept have been blurry, leading to a lack of conceptual clarity and structure, and thus limiting validity and managerial actionability. Based on a systematic literature review, I synthesize existing management-related research on serendipity and explicate the emergence and composition of serendipity in the organizational context. I first identify three necessary conditions that differentiate serendipity from related concepts such as luck or targeted innovation: agency, surprise, and value. Then, I draw from the literature on sensemaking, event-based theorizing, and quantum-based approaches to management to conceptualize the process of cultivating serendipity in the organizational context as a process of enabling potentiality and materialization, and develop a multi-level theory of (cultivating) serendipity. This conceptualization contributes to our collective understanding of how, why, and when (i.e., under what conditions) organizations can leverage the value in the unexpected, which opens up fruitful avenues for further research.     

Accountability of NGOs in Bangladesh A critical overview

NGOs in Bangladesh have been recognized as effective change agents in the socio-economic arena throughout the world. Their contributions in micro credit, non-formal education and primary health care are widely known. NGOs play a significant role in society. NGO accountability, as a result, has become a critical issue. NGO accountability in Bangladesh has been examined here in relation to patrons, clients and themselves. Of the three relationships only accountability to patrons is in a near satisfactory state. Accountability to clients is handicapped by lack of opportunities of beneficiaries to participate meaningfully in NGO policy making. Accountability to themselves is adversely affected due to the adherence to a strictly hierarchical system and the influence of founding and charismatic NGO leaders.     

Towards an Asian model of human resource management? A comparative analysis of China,Japan and South Korea

There has been much discussion regarding the possible decline and weakening of national systems of human resource management (HRM). Yet, culture and institutions are often cited as the major stumbling blocks to this outcome. Such constraints may dissipate in the analysis, particularly if ‘regional clusters’ are considered where geographic and cultural closeness and ‘openness’ to similar economic pressures exist. In such cases, it might be postulated that convergence in HRM will occur. We argue that China, Japan and South Korea represent such a cluster. This article examines these countries, to see if a degree of convergence is taking place and if it is towards an identifiable ‘Asian’ model of HRM. A model of change is presented that distinguishes between levels of occurrence and acceptance. Details of the development and practice of HRM in each country are then set out. The article ends with a discussion and implications section and a brief conclusion.     

The Creation of the Office for National Statistics

A new Office for National Statistics was created in the United Kingdom in 1996 following a series of developments designed to strengthen the relevance and integrity of statistics. This paper describes these fundamental changes and sets out a blueprint for future progress. It also sets current developments in the United Kingdom in an historical and international context.     

What helps? Women engineers' accounts of staying on

We have considerable understanding of the obstacles that women engineers encounter and the reasons that they leave the field, but we know less about what enables them to remain. Adopting an interpretivist approach, this article examines how a group of British women engineers in two FTSE 100 companies account for “staying on” in their male‐dominated work settings. We delineate four specific forms of help that facilitate women's retention in the field. We argue that exposure to help leads to women developing a habitus that enables them to continue working in engineering. To conclude, we draw on our findings to outline HR practices that will facilitate supportive relationships in the workplace and pave the way towards developing more positive organisational climates.     

论现代物流企业的发展观

物流业经过诸多年的发展目前已经成为最热门的行业之一,物流企业的注册数量也与日俱增,达到前所未有的规模。毋庸置疑,任何企业都希望自己迅速做强做大,并成为真正现代物流企业的典型代表,要实现这一目标一个首要问题就是要解决现代物流企业的发展观问题。     

浅谈大体积混凝土裂缝的控制

大体积混凝土的裂缝问题是实际工程中长期困扰工程技术人员的问题,其控制技术的研究是混凝土结构研究的热点问题,具有重大的学术价值和潜伏的工程背景。     

Supply Chain Strategies in the UK Fashion Industry—The Rhetoric of Partnership and Realities of Power

This paper focuses on the fashion industry, one characterised by issues such as dramatic shifts in the scale and power of major retail buyers in the market, the advent of retailer own brands, and the nature of sourcing and supply chain decisions, issues that are increasingly global in nature. The aim of this research is to explore the nature of relationships between UK high street multiple fashion retailers and their contracted suppliers, many of whom are entrepreneurial firms by most definitions of the term. Four core themes emerge from the literature and provide a framework for the research, namely, power, process, partnership, and people. The research approach was qualitative, and conducted over a period of twelve months. The paper ends with an agenda for future research.