Absorbing Boundaries for the Time-Domain Analysis of Dam-Reservoir-Foundation Systems

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Publisher : Birkhäuser
ISBN 13 : 9783034876100
Total Pages : 0 pages
Book Rating : 4.8/5 (761 download)

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Book Synopsis Absorbing Boundaries for the Time-Domain Analysis of Dam-Reservoir-Foundation Systems by : Glauco Feltrin

Download or read book Absorbing Boundaries for the Time-Domain Analysis of Dam-Reservoir-Foundation Systems written by Glauco Feltrin and published by Birkhäuser. This book was released on 2014-09-12 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report deals with the modeling and analysis of the earthquake behavior of concrete gravity dams. This task becomes very challenging when the interaction with the reservoir and foundation has to be considered. In addition, a concrete gravity dam may get severely damaged by dynami cally propagating cracks when subjected to a severe earthquake ground motion. This strongly nonlinear behavior of dams impedes the application of state-of-the-art frequency-domain meth ods for the analysis because the Superposition principle is no longer valid. As a consequence, the model has to be formulated in the time domain complicating the analysis even more. In this report, which is based on a doctoral thesis, a new method is presented that permits to develop absorbing boundary conditions for the nonlinear time-domain analysis of concrete grav ity dams. These conditions are based on a approximation of dynamic stiffness matrices using series of orthogonal functions and advanced model reduction techniques of linear systems theory. The new absorbing boundary conditions are very accurate so that they are virtually equivalent to dynarnic stiffness matrices obtained by a rigorous solution of a far field. This allows to reduce the size of near fields dramatically and permits an accurate and numerically efficient nonlinear time domain analysis.

Absorbing Boundaries for the Time-Domain Analysis of Dam-Reservoir-Foundation Systems

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Author :
Publisher : Birkhäuser
ISBN 13 : 9783764358693
Total Pages : 263 pages
Book Rating : 4.3/5 (586 download)

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Book Synopsis Absorbing Boundaries for the Time-Domain Analysis of Dam-Reservoir-Foundation Systems by : Glauco Feltrin

Download or read book Absorbing Boundaries for the Time-Domain Analysis of Dam-Reservoir-Foundation Systems written by Glauco Feltrin and published by Birkhäuser. This book was released on 2000-10-11 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report deals with the modeling and analysis of the earthquake behavior of concrete gravity dams. This task becomes very challenging when the interaction with the reservoir and foundation has to be considered. In addition, a concrete gravity dam may get severely damaged by dynami cally propagating cracks when subjected to a severe earthquake ground motion. This strongly nonlinear behavior of dams impedes the application of state-of-the-art frequency-domain meth ods for the analysis because the Superposition principle is no longer valid. As a consequence, the model has to be formulated in the time domain complicating the analysis even more. In this report, which is based on a doctoral thesis, a new method is presented that permits to develop absorbing boundary conditions for the nonlinear time-domain analysis of concrete grav ity dams. These conditions are based on a approximation of dynamic stiffness matrices using series of orthogonal functions and advanced model reduction techniques of linear systems theory. The new absorbing boundary conditions are very accurate so that they are virtually equivalent to dynarnic stiffness matrices obtained by a rigorous solution of a far field. This allows to reduce the size of near fields dramatically and permits an accurate and numerically efficient nonlinear time domain analysis.

Rational Transmitting Boundaries for Time-Domain Analysis of Dam-Reservoir Interaction

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Publisher : Birkhäuser
ISBN 13 : 303487751X
Total Pages : 273 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Rational Transmitting Boundaries for Time-Domain Analysis of Dam-Reservoir Interaction by : Benedikt Weber

Download or read book Rational Transmitting Boundaries for Time-Domain Analysis of Dam-Reservoir Interaction written by Benedikt Weber and published by Birkhäuser. This book was released on 2013-06-29 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most existing arch dams have been designed for seismic loading by static methods involving the use of seismic coefficients. Although there are no known examples of arch dams which have been seriously damaged by earthquakes, the need for more realistic seismic analyses is now well recognized, not only for new dams but especially in the context of the safety evaluation of existing dams. Fortunately, with the finite element method, engineers have a powerful tool for modeling the complex geometry and the nonlinear material behavior of a dam. However, there is still a major complication in the analysis procedure, namely the interaction of the dam with the reservoir and with the foundation during an earthquake. Interaction is a wave propagation problem involving transmitting boundaries. The State of the Art in engineering practice is to neglect wave propagation by modeling the water as incompressible and the foundation as massless. More advanced analysis methods using compressible water and foundation with mass have been available for some time. However, these methods are restricted to linear models, because they work in the frequency domain. On the other hand, there are also advanced nonlinear models for dams, but they can only be used in the time domain, usually with simple transmitting boundaries. In this report, which is based on an a doctoral thesis, rigorous transmitting boundaries in the time domain are developed which permit combining compressible water with n- linear dam behavior. The new numerical model is based on a systems-theory approach.

The Scaled Boundary Finite Element Method

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Publisher : John Wiley & Sons
ISBN 13 : 1119388457
Total Pages : 775 pages
Book Rating : 4.1/5 (193 download)

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Book Synopsis The Scaled Boundary Finite Element Method by : Chongmin Song

Download or read book The Scaled Boundary Finite Element Method written by Chongmin Song and published by John Wiley & Sons. This book was released on 2018-06-19 with total page 775 pages. Available in PDF, EPUB and Kindle. Book excerpt: An informative look at the theory, computer implementation, and application of the scaled boundary finite element method This reliable resource, complete with MATLAB, is an easy-to-understand introduction to the fundamental principles of the scaled boundary finite element method. It establishes the theory of the scaled boundary finite element method systematically as a general numerical procedure, providing the reader with a sound knowledge to expand the applications of this method to a broader scope. The book also presents the applications of the scaled boundary finite element to illustrate its salient features and potentials. The Scaled Boundary Finite Element Method: Introduction to Theory and Implementation covers the static and dynamic stress analysis of solids in two and three dimensions. The relevant concepts, theory and modelling issues of the scaled boundary finite element method are discussed and the unique features of the method are highlighted. The applications in computational fracture mechanics are detailed with numerical examples. A unified mesh generation procedure based on quadtree/octree algorithm is described. It also presents examples of fully automatic stress analysis of geometric models in NURBS, STL and digital images. Written in lucid and easy to understand language by the co-inventor of the scaled boundary element method Provides MATLAB as an integral part of the book with the code cross-referenced in the text and the use of the code illustrated by examples Presents new developments in the scaled boundary finite element method with illustrative examples so that readers can appreciate the significant features and potentials of this novel method—especially in emerging technologies such as 3D printing, virtual reality, and digital image-based analysis The Scaled Boundary Finite Element Method: Introduction to Theory and Implementation is an ideal book for researchers, software developers, numerical analysts, and postgraduate students in many fields of engineering and science.

Earthquake Engineering for Concrete Dams

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Publisher : John Wiley & Sons
ISBN 13 : 1119056047
Total Pages : 317 pages
Book Rating : 4.1/5 (19 download)

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Book Synopsis Earthquake Engineering for Concrete Dams by : Anil K. Chopra

Download or read book Earthquake Engineering for Concrete Dams written by Anil K. Chopra and published by John Wiley & Sons. This book was released on 2020-01-23 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive guide to modern-day methods for earthquake engineering of concrete dams Earthquake analysis and design of concrete dams has progressed from static force methods based on seismic coefficients to modern procedures that are based on the dynamics of dam–water–foundation systems. Earthquake Engineering for Concrete Dams offers a comprehensive, integrated view of this progress over the last fifty years. The book offers an understanding of the limitations of the various methods of dynamic analysis used in practice and develops modern methods that overcome these limitations. This important book: Develops procedures for dynamic analysis of two-dimensional and three-dimensional models of concrete dams Identifies system parameters that influence their response Demonstrates the effects of dam–water–foundation interaction on earthquake response Identifies factors that must be included in earthquake analysis of concrete dams Examines design earthquakes as defined by various regulatory bodies and organizations Presents modern methods for establishing design spectra and selecting ground motions Illustrates application of dynamic analysis procedures to the design of new dams and safety evaluation of existing dams. Written for graduate students, researchers, and professional engineers, Earthquake Engineering for Concrete Dams offers a comprehensive view of the current procedures and methods for seismic analysis, design, and safety evaluation of concrete dams.

Recherche et développement dans le domaine des barrages

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Publisher :
ISBN 13 :
Total Pages : 900 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Recherche et développement dans le domaine des barrages by :

Download or read book Recherche et développement dans le domaine des barrages written by and published by . This book was released on 1995 with total page 900 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Strength and Deformations of Structural Concrete Subjected to In-Plane Shear and Normal Forces

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Publisher : Birkhäuser
ISBN 13 : 3034876122
Total Pages : 159 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Strength and Deformations of Structural Concrete Subjected to In-Plane Shear and Normal Forces by : Walter Kaufmann

Download or read book Strength and Deformations of Structural Concrete Subjected to In-Plane Shear and Normal Forces written by Walter Kaufmann and published by Birkhäuser. This book was released on 2013-12-11 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present doctoral thesis was developed within the framework of the research project "Deformation Capacity of Structural Concrete". This project aims at developing a consistent and experimentally verified theory of the deformation capacity of structural concrete. Previous work included the development of a theoretical model, the so-called Tension Chord Model, which allows a comprehensive description of the load-deforma tion behaviour of tension members in non-prestressed and prestressed concrete struc tures. The present work focuses on a new theoretical model, the so-called Cracked Mem brane Model. For members subjected to in-plane forces this new model combines the ba sic concepts of the modified compression field theory and the tension chord model. Crack spacings and tension stiffening effects in cracked membranes are determined from first principles and the link to plasticity theory methods is maintained since equilibrium conditions are formulated in terms of stresses at the cracks rather than average stresses between the cracks. The research project "Deformation Capacity of Structural Concrete" has been funded by the Swiss National Science Foundation and the Association of the Swiss Cement Pro ducers. This support is gratefully acknowledged. Zurich, July 1998 Prof. Dr. Peter Marti Abstract This thesis aims at contributing to a better understanding of the load-carrying and defor mational behaviour of structural concrete subjected to in-plane shear and normal forces.

New Developments in Dam Engineering

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Publisher : CRC Press
ISBN 13 : 9780203020678
Total Pages : 1248 pages
Book Rating : 4.0/5 (26 download)

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Book Synopsis New Developments in Dam Engineering by : Martin Wieland

Download or read book New Developments in Dam Engineering written by Martin Wieland and published by CRC Press. This book was released on 2014-05-14 with total page 1248 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of water resources is a key element in the socio-economic development of many regions in the world. Water availability and rainfall are unequally distributed both in space and time, so dams play a vital role, there being few viable alternatives for storing water. Dams hold a prime place in satisfying the ever-increasing demand for power, irrigation and drinking water, for protection of man, property and environment from catastrophic floods, and for regulating the flow of rivers. Dams have contributed to the development of civilization for over 2,000 years. Worldwide there are some 45,000 large dams listed by ICOLD, which have a height over 15 meters. Today, in western countries, where most of the water resources have been developed, the safety of the existing dams and measures for extending their economical life are of prime concern. In developing countries the focus is on the construction of new dams. The proceedings of the 4th International Conference on Dam Engineering includes contributions from 18 countries, and provides an overview of the state-of-the-art in hydropower development, new type dams, new materials and new technologies, dam and environment. Traditional areas, such as concrete dams and embankment dams, methods of analysis and design of dams, dam foundation, seismic analysis, design and safety, stability of dam and slope, dam safety monitoring and instrumentation, dam maintenance, and rehabilitation and heightening are also considered. The book is of special interest to scientists, researchers, engineers, and students working in dam engineering, dam design, hydropower development, environmental engineering, and structural hydraulics.

Recent Developments in Sustainable Infrastructure

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Publisher : Springer Nature
ISBN 13 : 9811545774
Total Pages : 1068 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis Recent Developments in Sustainable Infrastructure by : Bibhuti Bhusan Das

Download or read book Recent Developments in Sustainable Infrastructure written by Bibhuti Bhusan Das and published by Springer Nature. This book was released on 2020-07-03 with total page 1068 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises select peer-reviewed proceedings of the International Conference on Recent Developments in Sustainable Infrastructure (ICRDSI) 2019. The topics span over all major disciplines of civil engineering with regard to sustainable development of infrastructure and innovation in construction materials, especially concrete. The book covers numerical and analytical studies on various topics such as composite and sandwiched structures, green building, groundwater modeling, rainwater harvesting, soil dynamics, seismic resistance and control of structures, waste management, structural health monitoring, and geo-environmental engineering. This book will be useful for students, researchers and professionals working in sustainable technologies in civil engineering.

Seismic Safety Evaluation of Concrete Dams

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Publisher : Elsevier
ISBN 13 : 0124079199
Total Pages : 671 pages
Book Rating : 4.1/5 (24 download)

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Book Synopsis Seismic Safety Evaluation of Concrete Dams by : Chong Zhang

Download or read book Seismic Safety Evaluation of Concrete Dams written by Chong Zhang and published by Elsevier. This book was released on 2014-10-23 with total page 671 pages. Available in PDF, EPUB and Kindle. Book excerpt: The consequences of a large dam failing can be disastrous. However, predicting the performance of concrete dams during earthquakes is one of the most complex and challenging problems in structural dynamics. Based on a nonlinear approach, Seismic Safety Evaluation of Concrete Dams allows engineers to build models that account for nonlinear phenomena such as vertical joint slippage, cracks, and cavitation. This yields more accurate estimates. Advanced but readable, this book is the culmination of the work carried out by Tsinghua University Research Group on Earthquake Resistance on Dams over the last two decades. - Nonlinearity characteristics of high concrete dams, seismic analysis methods, evaluation models - A systematic approach to nonlinear analysis and seismic safety evaluation of concrete dams - Includes nonlinear fracture of dam-water-foundation interaction system, dynamic fluid-structure - Covers soil-structure interactions, and meso-scale mechanical behavior of concrete are all international front issues of the field

Earthquake Engineering for Dams and Reservoirs

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Publisher : Emerald Group Publishing
ISBN 13 : 0727766163
Total Pages : 377 pages
Book Rating : 4.7/5 (277 download)

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Book Synopsis Earthquake Engineering for Dams and Reservoirs by : Jonathan Hinks

Download or read book Earthquake Engineering for Dams and Reservoirs written by Jonathan Hinks and published by Emerald Group Publishing. This book was released on 2023-09-25 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: Earthquake Engineering for Dams and Reservoirs is an invaluable source for any engineer, or designer, tasked with building, retrofitting or maintaining dams in all seismically active regions to make decisions on the type of dam structure required for new projects and understand the issues that face existing dams and how to mitigate them.

Advances in Building Technology

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Publisher : Elsevier
ISBN 13 : 0080526632
Total Pages : 1844 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Advances in Building Technology by : M. Anson

Download or read book Advances in Building Technology written by M. Anson and published by Elsevier. This book was released on 2002-11-14 with total page 1844 pages. Available in PDF, EPUB and Kindle. Book excerpt: This set of proceedings is based on the International Conference on Advances in Building Technology in Hong Kong on 4-6 December 2002. The two volumes of proceedings contain 9 invited keynote papers, 72 papers delivered by 11 teams , and 133 contributed papers from over 20 countries around the world. The papers cover a wide spectrum of topics across the three technology sub-themes of structures and construction, environment, and information technology. The variety within these categories spans a width of topics, and these proceedings provide readers with a good general overview of recent advances in building research.

Boundary Element Methods for Soil-Structure Interaction

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Publisher : Springer Science & Business Media
ISBN 13 : 0306483874
Total Pages : 429 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Boundary Element Methods for Soil-Structure Interaction by : W.S. Hall

Download or read book Boundary Element Methods for Soil-Structure Interaction written by W.S. Hall and published by Springer Science & Business Media. This book was released on 2007-05-08 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt: W S HALL School of Computing and Mathematics, University of Teesside, Middlesbrough, TS1 3BA UK G OLIVETO Division of Structural Engineering, Department of Civil and Environmental Engineering, University of Catania, Viale A. Doria 6, 95125 Catania, Italy Soil-Structure Interaction is a challenging multidisciplinary subject which covers several areas of Civil Engineering. Virtually every construction is connected to the ground and the interaction between the artefact and the foundation medium may affect considerably both the superstructure and the foundation soil. The Soil-Structure Interaction problem has become an important feature of Structural Engineering with the advent of massive constructions on soft soils such as nuclear power plants, concrete and earth dams. Buildings, bridges, tunnels and underground structures may also require particular attention to be given to the problems of Soil-Structure Interaction. Dynamic Soil-Structure Interaction is prominent in Earthquake Engineering problems. The complexity of the problem, due also to its multidisciplinary nature and to the fact of having to consider bounded and unbounded media of different mechanical characteristics, requires a numerical treatment for any application of engineering significance. The Boundary Element Method appears to be well suited to solve problems of Soil- Structure Interaction through its ability to discretize only the boundaries of complex and often unbounded geometries. Non-linear problems which often arise in Soil-Structure Interaction may also be treated advantageously by a judicious mix of Boundary and Finite Element discretizations.

Finite Elements

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Publisher :
ISBN 13 :
Total Pages : 432 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Finite Elements by : B. H. V. Topping

Download or read book Finite Elements written by B. H. V. Topping and published by . This book was released on 2000 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains a selection of papers that were presented at The Fifth International Conference on Computational Structures Technology and The Second International Conference on Engineering Computational Technology, which were held in Leuven, Belgium from 6-8 September 2000.

Structural Dynamics

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Publisher : CRC Press
ISBN 13 : 9789058095114
Total Pages : 880 pages
Book Rating : 4.0/5 (951 download)

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Book Synopsis Structural Dynamics by : Harry Grundmann

Download or read book Structural Dynamics written by Harry Grundmann and published by CRC Press. This book was released on 2002 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proceedings contain contributions presented by authors from more than 30 countries at EURODYN 2002. The proceedings show recent scientific developments as well as practical applications, they cover the fields of theory of vibrations, nonlinear vibrations, stochastic dynamics, vibrations of structured elements, wave propagation and structure-borne sound, including questions of fatigue and damping. Emphasis is laid on vibrations of bridges, buildings, railway structures as well as on the fields of wind and earthquake engineering, repectively. Enriched by a number of keynote lectures and organized sessions the two volumes of the proceedings present an overview of the state of the art of the whole field of structural dynamics and the tendencies ot its further development.

Applied Mechanics Reviews

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Publisher :
ISBN 13 :
Total Pages : 1052 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Applied Mechanics Reviews by :

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1985 with total page 1052 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Boundary Elements in Dynamics

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Publisher : WIT Press
ISBN 13 : 1853122580
Total Pages : 724 pages
Book Rating : 4.8/5 (531 download)

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Book Synopsis Boundary Elements in Dynamics by : J. Dominguez

Download or read book Boundary Elements in Dynamics written by J. Dominguez and published by WIT Press. This book was released on 1993 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt: A reference for those who need to acquire detailed knowledge of the formulation, implementation, and practical applications of BEM in dynamics. The author presents research on BEM in dynamics of continua. The main emphasis is on the development of the different boundary element formulations.