Geometrical Characterisation For Structural Robustness
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Geometrical Characterisation For Structural Robustness
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Author : Aurélie Deschuyteneer
language : en
Publisher: Presses universitaires de Louvain
Release Date : 2019-11-20
Geometrical Characterisation For Structural Robustness written by Aurélie Deschuyteneer and has been published by Presses universitaires de Louvain this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-20 with Science categories.
This thesis develops a new type of approach to structural robustness, working on geometrical considerations only. It allows the integration of constitutive dimensions of structural robustness at the earliest steps of the design process. Based on graphic statics and strut-and-tie modelling, the method develops a visual robustness indicator...
Design For Robustness
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Author : Franz Knoll
language : en
Publisher: IABSE
Release Date : 2009
Design For Robustness written by Franz Knoll and has been published by IABSE this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Buildings categories.
Robustness is the ability to survive unforeseen circumstances without undue damage or loss of function. It has become a requirement expressed in modern building codes, mostly without much advice as to how it can be achieved. Engineering has developed some approaches based on traditional practice as well as recent insight. However, knowledge about robustness remains scattered and ambiguous, making it difficult to apply to many specific cases. The author's attempt to collect and review elements, methods and strategies toward structural robustness, using a holistic, almost philosophical approach. This leads to a set of considerations to guide selection and implementation of measures in specific cases, followed by a collection of applications and examples from the authors practice. The world, engineering and construction are imperfect and not entirely predictable. Robustness provides a measure of structural safety beyond traditional codified design rules.
Definitions Of Robust Structural Geometries
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Author : Steven Cerri (M. Eng)
language : en
Publisher:
Release Date : 2016
Definitions Of Robust Structural Geometries written by Steven Cerri (M. Eng) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Robustness varies highly between applications and consequently it is difficult to precisely quantify. However, robustness is a property of a structural system and thus can be described as a function of its form; in other words, as a function of topology, geometry and member properties. This thesis investigates the relationship between both a structure's geometry and topology, and robustness. Two quantitative metrics are proposed to quantify a structure's robustness as a function of geometry. The first metric is a measure of a member's importance relative to others in the redundancy of a structural system. The second metric characterizes the robustness efficiency of the entire structure. These metrics are developed using a novel analysis method coupled with an interactive MATLAB script which infers properties of a redundant structure through the analysis of its stable substructures. Together, these metrics give designers a powerful tool to evaluate the robustness of their preliminary structural design based soled on geometry and static equilibrium. Moreover, using these metrics, geometry optimization techniques are then implemented to discover robust structural geometries for given topologies and the general parameters that describe them.
Shell And Spatial Structures
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Author : Stefano Gabriele
language : en
Publisher: Springer Nature
Release Date : 2023-12-04
Shell And Spatial Structures written by Stefano Gabriele and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-12-04 with Technology & Engineering categories.
This volume collects the latest advances, innovations, and applications in the field of shell and spatial structures, as presented by leading international researchers at the 2nd Italian Workshop on Shell and Spatial Structures (IWSS), held in Turin, Italy on June 26-28, 2023. The conference was meant to give an overview on experimental and theoretical studies, analysis methods and approaches for the design, computational form finding, structural optimization, manufacturing, testing and maintenance techniques and historical reviews of all types of shell and spatial structures. These include, but are not limited to, tension and membrane structures, framed and lattice structures, gridshells and active-bending structures, shell roofs, tensegrity structures, pneumatic and inflatable structures, active and deployable structures, concrete, metal, masonry, timber and bio-based, spatial structures. The contributions, which were selected by means of a rigorous international peer-review process, present a wealth of exciting ideas that will open novel research directions and foster multidisciplinary collaboration among different specialists.
Structural Health Monitoring 2011
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Author : Fu-Kuo Chang
language : en
Publisher: DEStech Publications, Inc
Release Date : 2011
Structural Health Monitoring 2011 written by Fu-Kuo Chang and has been published by DEStech Publications, Inc this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Technology & Engineering categories.
This 2-volume set of books, comprising over 2,700 total pages, presents 325 fully original presentations on recent advances in structural health monitoring, as applied to commercial and military aircraft (manned and unmanned), high-rise buildings, wind turbines, civil infrastructure, power plants and ships. One general theme of the books is how SHM can be used for condition-based maintenance, with the goal of developing prediction-based systems, designed to save money over the life of vehicles and structures. A second theme centers on technologies for developing systems comprising sensors, diagnostic data and decision-making, with a focus on intelligent materials able to respond to damage and in some cases repair it. Finally the books discuss the relation among data, data interpretation and decision-making in managing a wide variety of complex structures and vehicles. More recent technologies discussed in the books include SHM and environmental effects, energy harvesting, non-contact sensing, and intelligent networks.Material in these books was first presented in September, 2011 at a conference held at Stanford University and sponsored by the Air Force Office of Scientific Research, the Army Research Office, the Office of Naval Research and the National Science Foundation. Some of the highlights of the books include: SHM technologies for condition-based maintenance (CBM) and predictive maintenance Verification, validation, qualification, data mining, prognostics systems for decision-making Structural health, sensing and materials in closed-loop intelligent networks Military and aerospace, bioinspired sensors, wind turbines, monitoring with MEMS, damage sensing, hot spot monitoring, SHM and ships, high-rise structures Includes a fully-searchable CD-ROM displaying many figures and charts in full color
The Geometry Of Uncertainty
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Author : Fabio Cuzzolin
language : en
Publisher: Springer Nature
Release Date : 2020-12-17
The Geometry Of Uncertainty written by Fabio Cuzzolin and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-17 with Computers categories.
The principal aim of this book is to introduce to the widest possible audience an original view of belief calculus and uncertainty theory. In this geometric approach to uncertainty, uncertainty measures can be seen as points of a suitably complex geometric space, and manipulated in that space, for example, combined or conditioned. In the chapters in Part I, Theories of Uncertainty, the author offers an extensive recapitulation of the state of the art in the mathematics of uncertainty. This part of the book contains the most comprehensive summary to date of the whole of belief theory, with Chap. 4 outlining for the first time, and in a logical order, all the steps of the reasoning chain associated with modelling uncertainty using belief functions, in an attempt to provide a self-contained manual for the working scientist. In addition, the book proposes in Chap. 5 what is possibly the most detailed compendium available of all theories of uncertainty. Part II, The Geometry of Uncertainty, is the core of this book, as it introduces the author’s own geometric approach to uncertainty theory, starting with the geometry of belief functions: Chap. 7 studies the geometry of the space of belief functions, or belief space, both in terms of a simplex and in terms of its recursive bundle structure; Chap. 8 extends the analysis to Dempster’s rule of combination, introducing the notion of a conditional subspace and outlining a simple geometric construction for Dempster’s sum; Chap. 9 delves into the combinatorial properties of plausibility and commonality functions, as equivalent representations of the evidence carried by a belief function; then Chap. 10 starts extending the applicability of the geometric approach to other uncertainty measures, focusing in particular on possibility measures (consonant belief functions) and the related notion of a consistent belief function. The chapters in Part III, Geometric Interplays, are concerned with the interplay of uncertainty measures of different kinds, and the geometry of their relationship, with a particular focus on the approximation problem. Part IV, Geometric Reasoning, examines the application of the geometric approach to the various elements of the reasoning chain illustrated in Chap. 4, in particular conditioning and decision making. Part V concludes the book by outlining a future, complete statistical theory of random sets, future extensions of the geometric approach, and identifying high-impact applications to climate change, machine learning and artificial intelligence. The book is suitable for researchers in artificial intelligence, statistics, and applied science engaged with theories of uncertainty. The book is supported with the most comprehensive bibliography on belief and uncertainty theory.
Discrete Geometry For Computer Imagery
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Author : Serge Miguet
language : en
Publisher: Springer Science & Business Media
Release Date : 1996-11-06
Discrete Geometry For Computer Imagery written by Serge Miguet 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 1996-11-06 with Computers categories.
This book constitutes the refereed proceedings of the 6th International Workshop on Discrete Geometry for Computer Imagery, DGCI'96, held in Lyon, France, in November 1996. Computer imaging essentially depends on discrete models for coding, processing, recognition, representation, etc. The volume presents 24 revised full papers selected from 41 submissions together with 3 invited contributions and a tutorial paper, which bridges the gap between theory and practice. The issues addressed are topology, geometry, shape representation, 3D surfaces and volumes, models for discrete space, image transformation and generation.
Materials And Contact Characterisation X
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Author : S. Hernández
language : en
Publisher: WIT Press
Release Date : 2021-09-01
Materials And Contact Characterisation X written by S. Hernández and has been published by WIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-01 with Technology & Engineering categories.
With the aim to facilitate the dissemination of research from both academia and the industrial community, presented works from the 10th International Conference on Computational Methods and Experiments in Material and Contact Characterisation are included in this book. These papers discuss the latest developments in this rapidly advancing field. The demand for high-quality production for both industry and consumers has led to rapid developments in materials science and engineering. This requires the characterisation of the properties of the materials. Of particular interest to industry and society are the knowledge of the surface treatment and contact mechanics of these materials to determine the in-service behaviour of components subject to contact conditions. Modern society requires systems that operate at conditions that use resources effectively. In terms of components durability, the understanding of surface engineering wear frictional and lubrication dynamics has never been so important. Current research is focused on modifications technologies that can increase the surface durability of materials. The characteristics of the system reveal which surface engineering methods should be chosen and as a consequence, it is essential to study the combination of surface treatment and contact mechanics. Combinations of different experimental techniques as well as computer simulation methods are essential to achieve a proper analysis. A very wide range of materials, starting with metals through polymers and semiconductors to composites, necessitates a whole spectrum of characteristic experimental techniques and research methods. Topics covered include: Experimental and measurement techniques; Mechanical testing and characterisation; Composites; Characterisation at multiple scales; Corrosion and erosion; Damage, fatigue and fracture; Recycled and reclaimed materials; Emerging materials and processing technology; Materials for energy systems; Contact mechanics; Coatings and surface treatments; Tribology and design; Biomechanical characterisation and applications; Residual stresses; Polymers and plastics; Computational methods and simulation; Biological materials; Evaluation and material processing.
Advances In Architectural Geometry 2023
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Author : Kathrin Dörfler, Jan Knippers, Achim Menges, Stefana Parascho, Helmut Pottmann, Thomas Wortmann
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2023-10-02
Advances In Architectural Geometry 2023 written by Kathrin Dörfler, Jan Knippers, Achim Menges, Stefana Parascho, Helmut Pottmann, Thomas Wortmann and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-02 with categories.
Keratoconus
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Author : Jorge L. Alió
language : en
Publisher: Springer
Release Date : 2016-12-28
Keratoconus written by Jorge L. Alió and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-28 with Medical categories.
As a degenerative disorder of the eye, keratoconus can cause substantial distortion of vision, with multiple images, streaking, and sensitivity to light all reported by patients. Keratoconus: Recent Advances in Diagnosis and Treatment updates ophthalmologists about the innovations that have occurred within the last decade, discussing the diagnostic imaging techniques that have been developed for keratoconus diagnosis, understanding of how examination techniques are related to the evolution of keratoconus, and how to indicate the different therapeutic tools that have been created for keratoconus over the last several years. Additionally, fundamentals for new diagnostic elements, based on the mathematical, physical and biomechanical data are analyzed in depth for a better understanding of the essential diagnostic steps for the clinician to guide patients towards the most adequate therapeutic tool in the case. Modern keratoplasty techniques, assisted by femtosecond lasers or other devices, are also covered and these techniques, along with the emerging conservative treatments, have added to more precise control of the evolution of the disease.