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1. |
Record Nr. |
UNINA9910458472903321 |
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Autore |
Kyriakides S |
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Titolo |
Mechanics of offshore pipelines . Volume 1 Buckling and collapse [[electronic resource] /] / by Stelios Kyriakides and Edmundo Corona |
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Pubbl/distr/stampa |
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Amsterdam ; ; Boston, : Elsevier, 2007 |
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ISBN |
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1-281-03810-5 |
9786611038106 |
0-08-055140-8 |
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Descrizione fisica |
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1 online resource (415 p.) |
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Collana |
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Mechanics of offshore pipelines ; ; 1 |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Petroleum pipelines |
Natural gas pipelines |
Underwater pipelines |
Electronic books. |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Front cover; Mechanics of Offshore Pipelines; Copyright page; Contents; Preface; Chapter 1 Introduction; 1.1 Offshore Pipeline Design Considerations; 1.2 Buckling and Collapse of Structures; 1.3 Buckle Propagation in Offshore Pipelines; Chapter 2 Offshore Facilities and Pipeline Installation Methods; 2.1 Offshore Platforms and Related Production Systems; 2.1.1 Fixed Platforms; 2.1.2 Floating and Tethered Platforms; 2.2 Offshore Pipeline Installation Methods; 2.2.1 S-Lay; 2.2.2 J-Lay; 2.2.3 Reeling; 2.2.4 Towing; 2.3 The Mardi Gras Project; Chapter 3 Pipe and Tube Manufacturing Processes |
3.1 Steelmaking for Line Pipe 3.1.1 Strengthening of Steel; 3.2 Plate Production; 3.2.1 Steelmaking; 3.2.2 Vertical Continuous Casting of Slabs; 3.2.3 Plate Rolling; 3.3 Seamless Pipe; 3.3.1 Continuous Casting of Round Billets; 3.3.2 Plug Mill; 3.3.3 Mandrel Mill; 3.3.4 Pilger Mill; 3.4 Electric Resistance Welded Pipe; 3.5 Spiral Weld Pipe; 3.6 UOE Pipe Manufacture; 3.7 JCO Forming; Chapter 4 Buckling and Collapse Under External Pressure; 4.1 Elastic Buckling; 4.1.1 Imperfect Pipe; 4.2 Plastic Buckling; 4.2.1 Lateral Pressure; 4.2.2 Hydrostatic Pressure; 4.2.3 Pressure with Zero Axial Strain |
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4.3 Nonlinear Formulation 4.3.1 Kinematics; 4.3.2 Constitutive Behavior; 4.3.3 Principle of Virtual Work; 4.3.4 Examples; 4.4 Factors Affecting Pipe Collapse; 4.4.1 Collapse Pressure Experiments; 4.4.2 Prediction of Collapse Pressures; 4.4.3 Effect of Initial Ovality; 4.4.4 Type of Pressure Loading; 4.4.5 Wall Thickness Variations; 4.4.6 Effect of Material Stress-Strain Response; 4.4.7 Residual Stresses; 4.4.8 Anisotropic Yielding; 4.4.9 An Approximate Estimate of Collapse Pressure; 4.5 Representative Seamless Pipe Imperfections; 4.5.1 Imperfection Scanning System; 4.5.2 Data Reduction |
4.5.3 Four Examples 4.6 Conclusions and Design Recommendations; Chapter 5 Collapse of UOE Pipe Under External Pressure; 5.1 Collapse Pressure of UOE Pipe; 5.2 Prediction of Collapse Pressure of UOE Pipe; 5.3 Improvement of Compressive Properties by Heat Treatment of the Pipe; 5.4 One-Dimensional Model of UOE Pipe Forming; 5.5 Two-Dimensional Models of UOE/UOC; 5.5.1 UOE/UOC Forming Steps; 5.5.2 Numerical Simulation; 5.5.3 An Example of UOE Forming; 5.5.4 Parametric Study-Optimization of UOE/UOC; 5.6 Conclusions and Recommendations; Chapter 6 Collapse of Dented Pipes Under External Pressure |
6.1 Dent Characteristics 6.2 Denting and Collapse Experiments; 6.2.1 Indention; 6.2.2 Collapse Experiments; 6.3 Modeling of Denting and Collapse; 6.3.1 Prediction of Collapse Pressure of Dented Tubes; 6.4 Universal Collapse Resistance Curves for Dented Pipes; 6.4.1 Localization of Collapse Under External Pressure; 6.4.2 The Universal Collapse Resistance Curve; 6.5 Conclusions and Recommendations; Chapter 7 Buckling and Collapse Under Combined External Pressure and Tension; 7.1 Elastic Buckling; 7.2 Plastic Buckling; 7.3 Nonlinear Formulation; 7.3.1 Examples |
7.4 Collapse Under External Pressure and Tension |
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Sommario/riassunto |
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Offshore oil and gas production was conducted throughout the entire 20th century, but the industry's modern importance and vibrancy did not start until the early 1970's, when the North Sea became a major producer. Since then, the expansion of the offshore oil industry has been continuous and rapid. Pipelines, and more generally long tubular structures, are major oil and gas industry tools used in exploration, drilling, production, and transmission. Installing and operating tubular structures in deep waters places unique demands on them. Technical challenges within the field have spawned... |
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2. |
Record Nr. |
UNINA9910137539003321 |
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Autore |
Karin Kucian |
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Titolo |
Numerical development : from cognitive functions to neural underpinnings / / topic editors, Korbinian Moeller, Elise Klein, Klaus Willmes and Karin Kucian |
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Pubbl/distr/stampa |
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Frontiers Media SA, 2015 |
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France : , : Frontiers Media SA, , 2015 |
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ISBN |
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Descrizione fisica |
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1 online resource (281 pages) : digital, PDF file(s) |
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Collana |
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Frontiers Research Topics |
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Disciplina |
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Soggetti |
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Calculus |
Mathematics |
Physical Sciences & Mathematics |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Bibliographic Level Mode of Issuance: Monograph |
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Nota di bibliografia |
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Includes bibliographical references. |
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Sommario/riassunto |
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Living at the beginning of the 21st century requires being numerate, because numerical abilities not only essential for life prospects of individuals but also for economic interests of post-industrial knowledge societies. Thus, numerical development is at the core of both individual as well as societal interests. There is the notion that we are already born with a very basic ability to deal with small numerosities. Yet, this often called “number sense” seems to be very restricted, approximate, and driven by perceptual constraints. During our numerical development in formal (e.g., school) but also informal contexts (e.g., family, street) we acquire culturally developed abstract symbol systems to represent exact numerosities – in particular number words and Arabic digits – refining our numerical capabilities. In recent years, numerical development has gained increasing research interest documented in a growing number of behavioural, neuro-scientific, educational, cross-cultural, and neuropsychological studies addressing this issue. Additionally, our understanding of how numerical competencies develop has also benefitted considerably from the advent of different neuro-imaging techniques allowing for an evaluation of |
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developmental changes in the human brain. In sum, we are now starting to put together a more and more coherent picture of how numerical competencies develop and how this development is associated with neural changes as well. In the end, this knowledge might also lead to a better understanding of the reasons for atypical numerical development which often has grieve consequences for those who suffer from developmental dyscalculia. Therefore, this Research Topic deals with all aspects of numerical development: findings from behavioural performance to underlying neural substrates, from cross-sectional to longitudinal evaluations, from healthy to clinical populations. To this end, we encourage empirical contributions using different experimental methodologies but also welcome theoretical contributions, review articles, or opinion papers. We hope that in this Research Topic the expertise of researchers from different backgrounds will be brought together to advance a topic with both scientific and every-day relevance. |
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3. |
Record Nr. |
UNINA9910842274303321 |
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Autore |
Glover Jeffrey |
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Titolo |
Digital Archaeologies, Material Worlds (Past and Present) : Proceedings of the 45th Annual Conference on Computer Applications and Quantitative Methods in Archaeology |
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Pubbl/distr/stampa |
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TuÌbingen, : TuÌbingen University Press, 2020 |
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Descrizione fisica |
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1 electronic resource (446 p.) |
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Collana |
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Computer Applications and Quantitative Methods in Archaeology ; 01 |
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Soggetti |
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Archaeological science, methodology & techniques |
Archaeology |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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These proceedings represent a selection of some of the excellent papers and posters presented at the 45th annual Computer Applications and Quantitative Methods in Archaeology (CAA) |
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conference which was held in Atlanta, Georgia (USA). The theme of the conference, as reflected in the title of this volume, was "Digital Archaeologies, Material Worlds (Past and Present)." We chose this theme to highlight the varying ways in which digital archaeologies are now practiced and how these practices are leading to new and exciting ways to share our data with interested publics. The papers in this volume are divided into the following themes: GIS, Education and Dissemination, Databases and Collaborative Data Management, Networks and Modelling, and Virtual and Augmented Realities. |
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