An Investigation Of Constraint Based Component Modeling For Knowledge Representation In Computer Aided Conceptual Design
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An Investigation Of Constraint Based Component Modeling For Knowledge Representation In Computer Aided Conceptual Design
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Author : Mark A. Kolb
language : en
Publisher:
Release Date : 1990
An Investigation Of Constraint Based Component Modeling For Knowledge Representation In Computer Aided Conceptual Design written by Mark A. Kolb and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
The earliest computer programs used for engineering design focused on detailed geometric design. Subsequently, computer programs for algorithmically performing the preliminary design of specific well-defined classes of objects became commonplace. However, due to the need for extreme flexibility, it appears unlikely that conventional programming techniques will prove fruitful in developing computer aids for engineering conceptual design. The use of symbolic processing techniques, such as object-oriented programming and constraint propagation, facilitates such flexibility. Object-oriented programming allows programs to be organized around the objects and behavior to be simulated, rather than around fixed sequences of function- and subroutine-calls. Constraint propagation allows declarative statements to be understood as designating multi-directional mathematical relationships among all the variables of an equation, rather than as uni-directional assignment to the variable on the left-hand side of the equation, as in conventional computer programs. The research presented here has concentrated on applying object-oriented programming and constraint propagation to the development of a general-purpose computer aid for engineering conceptual design. Object-oriented programming techniques are utilized to implement a user-extensible database of design components. The mathematical relationships which model both the geometry and physics of these components are managed via constraint propagation. In addition to this component-based hierarchy, special-purpose data structures are provided for describing component interactions and supporting state- dependent parameters. In order to investigate the utility of this approach to conceptual design, three sample design problems from the field of aerospace engineering have been implemented using the prototype design tool, Rubber Airplane: a long-endurance surveillance aircraft, a subsonical transport aircraft, and a small-payload launch vehicle. The additional level of organizational structure obtained by representing design knowledge in terms of components is observed to provide greater convenience to the program user, and to result in a database of engineering information which is easier both to maintain and to extend.
Semantic Modeling And Interoperability In Product And Process Engineering
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Author : Yongsheng Ma
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-06
Semantic Modeling And Interoperability In Product And Process Engineering written by Yongsheng Ma and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-06 with Technology & Engineering categories.
In the past decade, feature-based design and manufacturing has gained some momentum in various engineering domains to represent and reuse semantic patterns with effective applicability. However, the actual scope of feature application is still very limited. Semantic Modeling and Interoperability in Product and Process Engineering provides a systematic solution for the challenging engineering informatics field aiming at the enhancement of sustainable knowledge representation, implementation and reuse in an open and yet practically manageable scale. This semantic modeling technology supports uniform, multi-facet and multi-level collaborative system engineering with heterogeneous computer-aided tools, such as CADCAM, CAE, and ERP. This presented unified feature model can be applied to product and process representation, development, implementation and management. Practical case studies and test samples are provided to illustrate applications which can be implemented by the readers in real-world scenarios. By expanding on well-known feature-based design and manufacturing approach, Semantic Modeling and Interoperability in Product and Process Engineering provides a valuable reference for researchers, practitioners and students from both academia and engineering field.
Automation Based Creative Design Research And Perspectives
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Author : A. Tzonis
language : en
Publisher: Newnes
Release Date : 2012-12-02
Automation Based Creative Design Research And Perspectives written by A. Tzonis and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Technology & Engineering categories.
Computer technology has revolutionized many aspects of building design, such as drafting, management, construction - even building with robots. This revolution has expanded into the field of design creativity. Presented in this book is an up-to-date, comprehensive picture of research advances in the fast-growing field of informatics applied to conceptual stages in the generation of artifacts - in particular, buildings. It addresses the question how far and in what ways creative design can be intelligently automated. Among the topics covered are: the use of precedents; the relations between case-based, rule-based, and principle-based architectural design reasoning; product typology; artifact thesauruses; the inputting and retrieval of architectural knowledge; the visual representation and understanding of existing or projected built forms; empirical and analytical models of the design process and the design product; desktop design toolkits; grammars of shape and of function; multiple-perspective building data structures; design as a multi-agent collaborative process; the integration of heterogeneous engineering information; and foundations for a systematic approach to the development of knowledge-based design systems. The papers provide a link between basic and practical issues: - fundamental questions in the theory of artifact design, artifical intelligence, and the cognitive science of imagination and reasoning; - problems in the computerization of building data and design facilities; - the practical tasks of building conception, construction and evaluation. The automation of creative design is itself considered as an engineering design problem. The implications of current and future work for architectural education and research in architectural history, as well as for computer-integrated construction and the management of engineering projects are considered.
Reusable Components For Knowledge Modelling
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Author : Enrico Motta
language : en
Publisher:
Release Date : 1999
Reusable Components For Knowledge Modelling written by Enrico Motta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Computers categories.
Aiaa Aerospace Design Conference 92 1130 92 1199
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Author :
language : en
Publisher:
Release Date : 1992
Aiaa Aerospace Design Conference 92 1130 92 1199 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Airplanes categories.
Proceedings Of The Twelfth National Conference On Artificial Intelligence
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Author : American Association for Artificial Intelligence
language : en
Publisher:
Release Date : 1994
Proceedings Of The Twelfth National Conference On Artificial Intelligence written by American Association for Artificial Intelligence and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Artificial intelligence categories.
Artificial Intelligence In Design 02
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Author : Asko Riitahuhta
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17
Artificial Intelligence In Design 02 written by Asko Riitahuhta and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-17 with Computers categories.
One of the foundations for change in our society comes from designing. Its genesis is the notion that the world around us either is unsuited to our needs or can be improved. The need for designing is driven by a society's view that it can improve or add value to human existence well beyond simple subsistence. As a consequence of designing the world which we inhabit is increasingly a designed rather than a naturally occurring one. In that sense it is an "artificial" world. Designing is a fundamental precursor to manufacturing, fabrication, construction or implementation. Design research aims to develop an understanding of designing and to produce models of designing that can be used to aid designing. Artificial intelligence has provided an environmental paradigm within which design research based on computational constructions, can be carried out. Design research can be carried out in variety of ways. It can be viewed as largely an empirical endeavour in which experiments are designed and executed in order to test some hypothesis about some design phenomenon or design behaviour. This is the approach adopted in cognitive science. It often manifests itself through the use of protocol studies of designers. The results of such research form the basis of a computational model. A second view is that design research can be carried out by positing axioms and then deriving consequences from them.
Modeling For Decision Support In Network Based Services
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Author : Daniel Dolk
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-01-16
Modeling For Decision Support In Network Based Services written by Daniel Dolk and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-16 with Business & Economics categories.
This book originated from several recent workshops and related activities conducted by the IFIP Working Group 7.6 on "Optimization-Based Computer Aided Modeling and Design." This group has been active for 20 years with the stated objective of developing ”high-performance computer-aided systems to support modeling, decision analysis, optimization and multi-criteria decision making.” Recently, the group has turned its attention to the application of modeling and optimization to service science, management and engineering (SSME). SSME is still a young research field searching for its theoretical underpinnings, and one which offers many opportunities for analytical modeling to not only advance the understanding, but also to help form the foundation of a new discipline. This book is the result of the group's introductory foray into the application of quantitative modeling to the nascent field of service science with special emphasis on the network aspects of services. The 11 papers presented are grouped into sections on Network Science, Comptational and Analytical Modeling, and Knowledge Science. They showcase the value of modeling in a new and timely context and provide many seeds for further exciting research.
Evaluation Of Computer Aided Software As A Space Analysis Tool For Outfit Unit Design And Planning
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Author : Patrick D. Cahill
language : en
Publisher:
Release Date : 1995
Evaluation Of Computer Aided Software As A Space Analysis Tool For Outfit Unit Design And Planning written by Patrick D. Cahill and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
Engineering Design Synthesis
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Author : Amaresh Chakrabarti
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Engineering Design Synthesis written by Amaresh Chakrabarti and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Technology & Engineering categories.
This book brings together some of the most influential pieces of research undertaken around the world in design synthesis. It is the first comprehensive work of this kind and covers all three aspects of research in design synthesis: - understanding what constitutes and influences synthesis; - the major approaches to synthesis; - the diverse range of tools that are created to support this crucial design task. With its range of tools and methods covered, it is an ideal introduction to design synthesis for those intending to research in this area as well as being a valuable source of ideas for educators and practitioners of engineering design.