flexibility-and-design

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Flexibility In Engineering Design

Author : Richard De Neufville
ISBN : 9780262016230
Genre : Science
File Size : 79. 11 MB
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A guide to using the power of design flexibility to improve the performance of complex technological projects, for designers, managers, users, and analysts. Project teams can improve results by recognizing that the future is inevitably uncertain and that by creating flexible designs they can adapt to eventualities. This approach enables them to take advantage of new opportunities and avoid harmful losses. Designers of complex, long-lasting projects--such as communication networks, power plants, or hospitals--must learn to abandon fixed specifications and narrow forecasts. They need to avoid the "flaw of averages," the conceptual pitfall that traps so many designs in underperformance. Failure to allow for changing circumstances risks leaving significant value untapped. This book is a guide for creating and implementing value-enhancing flexibility in design. It will be an essential resource for all participants in the development and operation of technological systems: designers, managers, financial analysts, investors, regulators, and academics. The book provides a high-level overview of why flexibility in design is needed to deliver significantly increased value. It describes in detail methods to identify, select, and implement useful flexibility. The book is unique in that it explicitly recognizes that future outcomes are uncertain. It thus presents forecasting, analysis, and evaluation tools especially suited to this reality. Appendixes provide expanded explanations of concepts and analytic tools.

A Guide For Achieving Flexibility In Highway Design

Author :
ISBN : 9781560512592
Genre : Roads
File Size : 23. 96 MB
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Software Design For Flexibility

Author : Chris Hanson
ISBN : 9780262362474
Genre : Computers
File Size : 40. 8 MB
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Strategies for building large systems that can be easily adapted for new situations with only minor programming modifications. Time pressures encourage programmers to write code that works well for a narrow purpose, with no room to grow. But the best systems are evolvable; they can be adapted for new situations by adding code, rather than changing the existing code. The authors describe techniques they have found effective--over their combined 100-plus years of programming experience--that will help programmers avoid programming themselves into corners. The authors explore ways to enhance flexibility by: • Organizing systems using combinators to compose mix-and-match parts, ranging from small functions to whole arithmetics, with standardized interfaces • Augmenting data with independent annotation layers, such as units of measurement or provenance • Combining independent pieces of partial information using unification or propagation • Separating control structure from problem domain with domain models, rule systems and pattern matching, propagation, and dependency-directed backtracking • Extending the programming language, using dynamically extensible evaluators

Flexibility In Highway Design

Author : U.s. Department of Transportation
ISBN : 1494445573
Genre : Transportation
File Size : 47. 5 MB
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This guide is about designing highways that incorporate community values and are safe, efficient, effective mechanisms for the movement of people and goods. It is written for highway engineers and project managers who want to learn more about the flexibility available to them when designing roads and illustrates successful approaches use in other highway projects.

Planning The New Suburbia

Author : Avi Friedman
ISBN : 0774808594
Genre : Architecture
File Size : 57. 7 MB
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Friedman (architecture, McGill U.) and a team of graduate students, urban planners, and architects all participated in a lengthy project devoted to planning in the urban environment and developing affordable housing, the fruits of which are assembled in this volume. The history of suburban planning in Canada is given, followed by an analysis of the various models used in planning. The planning theory and construction designs formulated by Friedman's group follow, with many detailed case studies of individual projects. The book is well illustrated with bandw photos, plans and drawings. c. Book News Inc.

Flexibility In Highway Design

Author :
ISBN : UCBK:C101179273
Genre : Roads
File Size : 77. 1 MB
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Flexibility In Engineering Design

Author : SCHOLTES. NEUFVILLE
ISBN : 812034751X
Genre :
File Size : 32. 9 MB
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Product And Process Flexibility

Author : Susan Carleton Athey
ISBN : PSU:000031967877
Genre : Organization
File Size : 86. 11 MB
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Design For Flexibility

Author : Palani Rajan Palanisamy Kuppuraj
ISBN : OCLC:54771010
Genre :
File Size : 64. 63 MB
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Bulletproof Web Design

Author : Dan Cederholm
ISBN : 0321509021
Genre : Computers
File Size : 28. 44 MB
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Provides information on successfully designing a Web site using XHTML and Cascading Style Sheets.

Operability Resiliency And Flexibility

Author : Ignacio E. Grossmann
ISBN : OCLC:14911087
Genre : Chemical plants
File Size : 79. 29 MB
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Design Of Flexible Production Systems

Author : Tullio Tolio
ISBN : 9783540854142
Genre : Technology & Engineering
File Size : 56. 42 MB
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In the last decade, the production of mechanical components to be assembled in final products produced in high volumes (e.g. cars, mopeds, industrial vehicles, etc.) has undergone deep changes due to the overall modifications in the way companies compete. Companies must consider competitive factors such as short lead times, tight product tolerances, frequent market changes and cost reduction. Anyway, companies often have to define production objectives as trade-offs among these critical factors since it can be difficult to improve all of them. Even if system flexibility is often considered a fundamental requirement for firms, it is not always a desirable characteristic of a system because it requires relevant investment cost which can jeopardize the profitability of the firm. Dedicated systems are not able to adapt to changes of the product characteristics while flexible systems offer more flexibility than what is needed, thus increasing investment and operative costs. Production contexts characterized by mid to high demand volume of well identified families of products in continuous evolution do not require the highest level of flexibility; therefore, manufacturing system flexibility must be rationalized and it is necessary to find out the best trade-off between productivity and flexibility by designing manufacturing systems endowed with the right level of flexibility required by the production problem. This new class of production systems can be named Focused Flexibility Manufacturing Systems-FFMSs. The flexibility degree in FFMSs is related to their ability to cope with volume, mix and technological changes, and it must take into account both present and future changes. The required level of system flexibility impacts on the architecture of the system and the explicit design of flexibility often leads to hybrid systems, i.e. automated integrated systems in which parts can be processed by both general purpose and dedicated machines. This is a key issue of FFMSs and results from the matching of flexibility and productivity that respectively characterize FMSs and Dedicated Manufacturing Systems (DMSs). The market share of the EU in the machine tool sector is 44%; the introduction of focused flexibility would be particularly important for machine tool builders whose competitive advantage is based on the ability of customizing their systems on the basis of needs of their customers. In fact, even if current production contexts frequently present situations which would fit well with the FFMS approach, tradition and know-how of machine tool builders play a crucial role. Firms often agree with the focused flexibility vision, nevertheless they decide not to pay the risk and efforts related to the design of this new system architecture. This is due also to the lack of well-structured design approaches which can help machine tool builders to configure innovative systems. Therefore, the FFMS topic is studied through the book chapters following a shared mission: "To define methodologies and tools to design production systems with a minimum level of flexibility needed to face, during their lifecycle, the product and process evolution both in the technological and demand aspects. The goal is to find out the optimal trade-off between flexibility and productivity". The book framework follows the architecture which has been developed to address the FFMS Design problem. This architecture is both broad and detailed, since it pays attention to all the relevant levels in a firm hierarchy which are involved in the system design. Moreover, the architecture is innovative because it models both the point of view of the machine tool builder and the point of view of the system user. The architecture starts analyzing Manufacturing Strategy issues and generating the possible demand scenario to be faced. Technological aspects play a key role while solving process plan problems for the products in the part family. Strategic and technological data becomes input when a machine tool builder performs system configuration. The resulting system configurations are possible solutions that a system user considers when planning its system capacity. All the steps of the architecture are deeply studied, developing methods and tools to address each subproblem. Particular attention is paid to the methodologies adopted to face the different subproblems: mathematical programming, stochastic programming, simulation techniques and inverse kinematics have been used. The whole architecture provides a general approach to implement the right degree of flexibility and it allows to study how different aspects and decisions taken in a firm impact on each other. The work presented in the book is innovative because it gives links among different research fields, such as Manufacturing Strategy, Process Plan, System Design, Capacity Planning and Performance Evaluation; moreover, it helps to formalize and rationalize a critical area such as manufacturing system flexibility. The addressed problem is relevant at an academic level but, also, at an industrial level. A great deal of industrial sectors need to address the problem of designing systems with the right degree of flexibility; for instance, automotive, white goods, electrical and electronic goods industries, etc. Attention to industrial issues is confirmed by empirical studies and real case analyses which are presented within the book chapters.

Design Manual

Author : United States. Naval Facilities Engineering Command
ISBN : MINN:30000010497349
Genre :
File Size : 26. 73 MB
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Deterministic Flexibility Analysis

Author : Chuei-Tin Chang
ISBN : 9781498748179
Genre : Science
File Size : 73. 57 MB
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Traditionally, design and control decisions are made in sequential stages over the life cycle of a chemical plant. In the design phase, the optimal operating conditions and the corresponding material and energy balance data are established mainly on the basis of economic considerations. In the subsequent step, the control systems are configured to maintain the key process conditions at the fixed nominal values. Because it is often desirable to address the operability issues at the earliest possible stage before stipulation of control schemes, the systematic incorporation of flexibility analysis in process synthesis and design has received considerable attention in recent years. This book focuses to a large extent on computation and implementation methods of deterministic performance measures, i.e., the steady-state, volumetric, dynamic and temporal flexibility indices, in various applications. The formal definitions of several available performance indices, their mathematical formulations, and the corresponding algorithms and codes are provided in sufficient detail to facilitate implementation. To show the utility of flexibility analyses, the book presents several practical case studies including membrane modules and heat-exchanger networks, solar-driven membrane distillation desalination systems, and hybrid power generation systems. It also includes MATLAB and GAMS codes.

Effect Of Structural Flexibility On The Design Of Vibration Isolating Mounts For Aircraft Engines

Author : William H. Phillips
ISBN : STANFORD:36105024736824
Genre : Airplanes
File Size : 26. 50 MB
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Machine Design

Author :
ISBN : STANFORD:36105000732029
Genre : Engineering
File Size : 52. 50 MB
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Reports Of Patent Design And Trade Mark Cases

Author :
ISBN : UOM:35112103196202
Genre : Design protection
File Size : 90. 41 MB
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Motomi Kawakami

Author : Motomi Kawakami
ISBN : 4946483632
Genre : Chair design
File Size : 40. 24 MB
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Infoworld

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ISBN :
Genre :
File Size : 57. 16 MB
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InfoWorld is targeted to Senior IT professionals. Content is segmented into Channels and Topic Centers. InfoWorld also celebrates people, companies, and projects.

Alternative Wastewater Treatment Systems For Rural Lake Projects Case Study No 3 Springvale Bear Creek Sewage Disposal Authority Emmet County Michigan

Author : United States. Environmental Protection Agency. Region V.
ISBN : NWU:35556031058043
Genre : Sewage
File Size : 72. 70 MB
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