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Author: National Aeronautics and Space Administration (NASA) Publisher: Createspace Independent Publishing Platform ISBN: 9781720579502 Category : Languages : en Pages : 40
Book Description
Designing and developing new aircraft systems is time-consuming and expensive. Computational simulation is a promising means for reducing design cycle times, but requires a flexible software environment capable of integrating advanced multidisciplinary and multifidelity analysis methods, dynamically managing data across heterogeneous computing platforms, and distributing computationally complex tasks. Web-based simulation, with its emphasis on collaborative composition of simulation models, distributed heterogeneous execution, and dynamic multimedia documentation, has the potential to meet these requirements. This paper outlines the current aircraft design process, highlighting its problems and complexities, and presents our vision of an aircraft design process using Web-based modeling and simulation.Reed, John A. and Follen, Gregory J. and Afjeh, Abdollah A. and Follen, Gregory J. (Technical Monitor)Glenn Research CenterAIRCRAFT DESIGN; MULTIMEDIA; HETEROGENEITY; SIMULATION
Author: National Aeronautics and Space Administration (NASA) Publisher: Createspace Independent Publishing Platform ISBN: 9781720579502 Category : Languages : en Pages : 40
Book Description
Designing and developing new aircraft systems is time-consuming and expensive. Computational simulation is a promising means for reducing design cycle times, but requires a flexible software environment capable of integrating advanced multidisciplinary and multifidelity analysis methods, dynamically managing data across heterogeneous computing platforms, and distributing computationally complex tasks. Web-based simulation, with its emphasis on collaborative composition of simulation models, distributed heterogeneous execution, and dynamic multimedia documentation, has the potential to meet these requirements. This paper outlines the current aircraft design process, highlighting its problems and complexities, and presents our vision of an aircraft design process using Web-based modeling and simulation.Reed, John A. and Follen, Gregory J. and Afjeh, Abdollah A. and Follen, Gregory J. (Technical Monitor)Glenn Research CenterAIRCRAFT DESIGN; MULTIMEDIA; HETEROGENEITY; SIMULATION
Author: National Research Council Publisher: National Academies Press ISBN: 9780309090698 Category : Transportation Languages : en Pages : 92
Book Description
As recently as the summer of 2001, many travelers were dreading air transportation because of extensive delays associated with undercapacity of the system. That all changed on 9/11, and demand for air transportation has not yet returned to peak levels. Most U.S. airlines continue to struggle for survival, and some have filed for bankruptcy. The situation makes it difficult to argue that strong action is urgently needed to avert a crisis of undercapacity in the air transportation system. This report assesses the visions and goals for U.S. civil aviation and technology goals for the year 2050.
Author: Weiming Shen Publisher: Springer Science & Business Media ISBN: 3540927182 Category : Computers Languages : en Pages : 688
Book Description
This book constitutes the thoroughly refereed post-conference proceedings of the 11th International Conference on Computer Supported Cooperative Work in Design, CSCWD 2007, held in Melbourne, Australia, in April 2007. This book, as the fourth volume of its series on Computer-Supported Cooperative Work in Design, includes 60 articles that are the expanded versions of the papers presented at CSCWD 2007. The book is organized in topical sections on CSCW techniques and methods, collaborative design, collaborative manufacturing and enterprise collaboration, agents and multi-agent systems, Web services, Semantic Web, and Grid computing, knowledge management, security, privacy, and trust in CSCW systems, workflow management, e-learning, and other applications.
Author: Omar Hammami Publisher: Springer Science & Business Media ISBN: 3642252036 Category : Technology & Engineering Languages : en Pages : 370
Book Description
This book contains all refereed papers that were accepted to the second edition of the « Complex Systems Design & Management » (CSDM 2011) international conference that took place in Paris (France) from December 7 to December 9, 2011. (Website: http://www.csdm2011.csdm.fr/). These proceedings cover the most recent trends in the emerging field of complex systems sciences & practices from an industrial and academic perspective, including the main industrial domains (transport, defense & security, electronics, energy & environment, e-services), scientific & technical topics (systems fundamentals, systems architecture& engineering, systems metrics & quality, systemic tools) and system types (transportation systems, embedded systems, software & information systems, systems of systems, artificial ecosystems). The CSDM 2011 conference is organized under the guidance of the CESAMES non-profit organization (http://www.cesames.net/).
Author: Weidong Li Publisher: Springer Science & Business Media ISBN: 1447149351 Category : Technology & Engineering Languages : en Pages : 266
Book Description
Global networks, which are the primary pillars of the modern manufacturing industry and supply chains, can only cope with the new challenges, requirements and demands when supported by new computing and Internet-based technologies. Cloud Manufacturing: Distributed Computing Technologies for Global and Sustainable Manufacturing introduces a new paradigm for scalable service-oriented sustainable and globally distributed manufacturing systems. The eleven chapters in this book provide an updated overview of the latest technological development and applications in relevant research areas. Following an introduction to the essential features of Cloud Computing, chapters cover a range of methods and applications such as the factors that actually affect adoption of the Cloud Computing technology in manufacturing companies and new geometrical simplification method to stream 3-Dimensional design and manufacturing data via the Internet. This is further supported case studies and real life data for Waste Electrical and Electronic Equipment (WEEE) remanufacturing. This compilation of up to date research and literature can be used as a textbook or reference for mechanical, manufacturing, and computer engineering graduate students and researchers for efficient utilization, deployment and development of distributed and Cloud manufacturing systems, services and applications.
Author: Jitendra R. Raol Publisher: CRC Press ISBN: 1439863016 Category : Technology & Engineering Languages : en Pages : 832
Book Description
Going beyond the traditional field of robotics to include other mobile vehicles, this reference and "recipe book" describes important theoretical concepts, techniques, and applications that can be used to build truly mobile intelligent autonomous systems (MIAS). With the infusion of neural networks, fuzzy logic, and genetic algorithm paradigms for MIAS, it blends modeling, sensors, control, estimation, optimization, signal processing, and heuristic methods in MIAS and robotics, and includes examples and applications throughout. Offering a comprehensive view of important topics, it helps readers understand the subject from a system-theoretic and practical point of view.
Author: Raghu Chaitanya Munjulury Publisher: Linköping University Electronic Press ISBN: 9176855201 Category : Languages : en Pages : 101
Book Description
The design and development of new aircraft are becoming increasingly expensive and timeconsuming. To assist the design process in reducing the development cost, time, and late design changes, the conceptual design needs enhancement using new tools and methods. Integration of several disciplines in the conceptual design as one entity enables to keep the design process intact at every step and obtain a high understanding of the aircraft concepts at early stages. This thesis presents a Knowledge-Based Engineering (KBE) approach and integration of several disciplines in a holistic approach for use in aircraft conceptual design. KBE allows the reuse of obtained aircrafts’ data, information, and knowledge to gain more awareness and a better understanding of the concept under consideration at early stages of design. For this purpose, Knowledge-Based (KB) methodologies are investigated for enhanced geometrical representation and enable variable fidelity tools and Multidisciplinary Design Optimization (MDO). The geometry parameterization techniques are qualitative approaches that produce quantitative results in terms of both robustness and flexibility of the design parameterization. The information/parameters from all tools/disciplines and the design intent of the generated concepts are saved and shared via a central database. The integrated framework facilitates multi-fidelity analysis, combining low-fidelity models with high-fidelity models for a quick estimation, enabling a rapid analysis and enhancing the time for a MDO process. The geometry is further propagated to other disciplines [Computational Fluid Dynamics (CFD), Finite Element Analysis (FEA)] for analysis. This is possible with an automated streamlined process (for CFD, FEM, system simulation) to analyze and increase knowledge early in the design process. Several processes were studied to streamline the geometry for CFD. Two working practices, one for parametric geometry and another for KB geometry are presented for automatic mesh generation. It is observed that analytical methods provide quicker weight estimation of the design and when coupled with KBE provide a better understanding. Integration of 1-D and 3-D models offers the best of both models: faster simulation, and superior geometrical representation. To validate both the framework and concepts generated from the tools, they are implemented in academia in several courses at Linköping University and in industry
Author: Sivakumar Alagumalai Publisher: Springer Science & Business Media ISBN: 9462092575 Category : Education Languages : en Pages : 288
Book Description
Teachers empower both the next generation of learners and educators. Communities value the intricate roles and responsibilities of teachers: many of whom who go beyond the tangibles to cater to the learning needs of their students. The multidimensional and multifaceted relationship between teacher-education providers and teachers is a complex one. At one end of the spectrum sits the scholarship of teaching while at the enacted zone sits standards-based praxis. Teacher education and scholarship of teaching provides the avenue to demonstrate this interaction of knowledge, pedagogy, research and broadly, scholarship. Unfortunately, there is no strong consensus about the value of pedagogical preparation for teachers. This monograph highlights the broad focus on how education draws its knowledge base from various disciplines; advancing that education itself can become a plethora for shared discourse and reflection. The chapters provide fresh demonstrated understanding into practice-enabled research directions and emphasise the position of research-based praxis in both schools and in institutions entrusted with teacher education. Importantly, the monograph demonstrates the two-way communication between the community and teacher educators about knowledge, experiences, values and diversity and to add value with the sole aim to enhance learning. It highlights education is a collective endeavour in that education and teacher education are subsets of the community, and deliberations in communities add important synergy to education’s evolution and revolution. Thus, the process of inquiry is fundamental in education, and implies transcending traditional discipline-bound knowledge and processes. This monograph provides the challenge to educators that no single or specific discipline directs educational development and enrichment, nor does the latter exclude any.
Author: National Aeronautics and Space Administration (NASA)
Author: National Aeronautics and Space Administration (NASA)
Author: 
Author: National Research Council
Author: Weiming Shen
Author: 
Author: Omar Hammami
Author: Weidong Li
Author: Jitendra R. Raol
Author: Raghu Chaitanya Munjulury
Author: Sivakumar Alagumalai