Shell Structures for Architecture: Form Finding and Optimization
Author: Sigrid Adriaenssens, Philippe Block, Diederik Veenendaal and Chris Williams | Size: 37 MB | Format:PDF | Quality:Unspecified | Publisher: Routledge | Year: 2014 | pages: 340 | ISBN: 0415840597, 0415840600, 9780415840590, 9780415840606
Featuring a foreword by Pritzker Prize Winner Shigeru Ban
Bringing together experts from research and practice, Shell Structures for Architecture: Form Finding and Optimization presents contemporary design methods for shell and gridshell structures, covering form-finding and structural optimization techniques.
It introduces architecture and engineering practitioners and students to structural shells and provides computational techniques to develop complex curved structural surfaces, in the form of mathematics, computer algorithms, and design case studies.
Bringing together experts from research and practice, Shell Structures for Architecture: Form Finding and Optimization presents contemporary design methods for shell and gridshell structures, covering form-finding and structural optimization techniques. It introduces architecture and engineering practitioners and students to structural shells and provides computational techniques to develop complex curved structural surfaces, in the form of mathematics, computer algorithms, and design case studies.
• Part I introduces the topic of shells, tracing the ancient relationship between structural form and forces, the basics of shell behaviour, and the evolution of form-finding and structural optimization techniques.
• Part II familiarizes the reader with form-finding techniques to explore expressive structural geometries, covering the force density method, thrust network analysis, dynamic relaxation and particle-spring systems.
• Part III focuses on shell shape and topology optimization, and provides a deeper understanding of gradient-based methods and meta-heuristic techniques.
• Part IV contains precedent studies of realised shells and gridshells describing their innovative design and construction methods.
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Traffic Flow Dynamics: Data, Models and Simulation
Author: Martin Treiber, Arne Kesting and Christian Thiemann | Size: 19 MB | Format:PDF | Quality:Unspecified | Publisher: Springer | Year: 2013 | pages: 500 | ISBN: 3642324592, 9783642324598, 9783642324604
This textbook provides a comprehensive and instructive coverage of vehicular traffic flow dynamics and modeling. It makes this fascinating interdisciplinary topic, which to date was only documented in parts by specialized monographs, accessible to a broad readership.
Numerous figures and problems with solutions help the reader to quickly understand and practice the presented concepts. This book is targeted at students of physics and traffic engineering and, more generally, also at students and professionals in computer science, mathematics, and interdisciplinary topics. It also offers material for project work in programming and simulation at college and university level.
The main part, after presenting different categories of traffic data, is devoted to a mathematical description of the dynamics of traffic flow, covering macroscopic models which describe traffic in terms of density, as well as microscopic many-particle models in which each particle corresponds to a vehicle and its driver. Focus chapters on traffic instabilities and model calibration/validation present these topics in a novel and systematic way. Finally, the theoretical framework is shown at work in selected applications such as traffic-state and travel-time estimation, intelligent transportation systems, traffic operations management, and a detailed physics-based model for fuel consumption and emissions.
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Here is the web links for these tutorial, but most of them requires valid customer ID
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Constructive, practical approach of spectral solutions to non-standard differential problems
Numerous and varied examples assist the reader in smoothly understanding and learning
Text shows what kind of spectral method works for a particular problem and how it can be efficiently implemented
Less academic examples but more real examples from elasticity and hydrodynamics
Complete solutions for classical Mathieu’s system as a multi parameter eigenvalue problem, i.e., in its natural setting
This book focuses on the constructive and practical aspects of spectral methods. It rigorously examines the most important qualities as well as drawbacks of spectral methods in the context of numerical methods devoted to solve non-standard eigenvalue problems. In addition, the book also considers some nonlinear singularly perturbed boundary value problems along with eigenproblems obtained by their linearization around constant solutions.
The book is mathematical, poising problems in their proper function spaces, but its emphasis is on algorithms and practical difficulties. The range of applications is quite large. High order eigenvalue problems are frequently beset with numerical ill conditioning problems. The book describes a wide variety of successful modifications to standard algorithms that greatly mitigate these problems.
In addition, the book makes heavy use of the concept of pseudospectrum, which is highly relevant to understanding when disaster is imminent in solving eigenvalue problems. It also envisions two classes of applications, the stability of some elastic structures and the hydrodynamic stability of some parallel shear flows.
This book is an ideal reference text for professionals (researchers) in applied mathematics, computational physics and engineering. It will be very useful to numerically sophisticated engineers, physicists and chemists. The book can also be used as a textbook in review courses such as numerical analysis, computational methods in various engineering branches or physics and computational methods in analysis.
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Hi everyone, please share paper below. Currently, i have assignment to strengthen the existing truss bridge
Ayyub, B.M., Ibrahim, A., and Schelling, D., “Posttensioned Truss: Analysis and Design”,
Journal of Structural Engineering; Vol. 116, 1990, pp. 1491-1506.
IRC: 37-2012 Guidelines for The Design of Flexible Pavements (3rd Revision)
Size: 4.6 MB | Format:PDF | Quality:Original preprint | Publisher: Indian Roads Congress | Year: July, 2012 | pages: 94
SCOPE OF THE GUIDELINES
The Guidelines shall apply to the design of new flexible pavements for Expressways, National Highways, State Highways, Major District Roads and other categories of roads predominantly carrying motorized vehicles. These guidelines do not form a rigid standard and sound engineering judgment considering the local environment and past pavement performance in the respective regions should be given due consideration while selecting a pavement composition.
For the purpose of the guidelines, flexible pavements include pavements with Bituminous surfacing over:
(i) Granular base and sub-base
(ii) Cementitious bases and sub-bases with a crack relief layer of aggregate interlayer below the bituminous surfacing
(iii) Cementitious bases and sub-bases with SAMI in-between bituminous surfacing and the cementitious base layer for retarding the reflection cracks into the bituminous layer
(iv) Reclaimed Asphalt Pavement (RAP) with or without addition of fresh aggregates treated with foamed bitumen/bitumen emulsion
(v) Use of deep strength long life bituminous pavement
These guidelines shall not be straightway applied to overlay design for which IRC 81-997 or a more suitable procedure based on evaluation of in situ properties of pavement layers by Falling Weight Deflectometer (FWD) should be used (25,56).
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IRC: 37-2012 Tentative Guidelines for The Design of Flexible Pavements
Size: 4.5 MB | Format:PDF | Quality:Scanner | Publisher: Indian Roads Congress | Year: December, 2012 | pages: 96
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Newton Excel Bach blog has released a new (excellent) spreadsheet for the analysis of reinforced concrete sections subject to bi-axial bending and axial load.
The thread and associated files may be found at the following link:
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Covers a wide range of topics, from composite structures, via fire engineering and masonry structures, to timber engineering. Valuable reference for academics, researchers and practising engineers working in structural engineering and structural mechanics.
Summary
Incorporating Sustainable Practice in Mechanics of Structures and Materials is a collection of peer-reviewed papers presented at the 21st Australasian Conference on the Mechanics of Structures and Materials (ACMSM21, Victoria, University, Melbourne, Australia, 7th – 10th of December 2010). The contributions from academics, researchers and practising engineers from 17 countries, mainly from Australasia and the Asia-pacific region, cover a wide range of topics, including:
• Composite structures
• Computational mechanics
• Concrete structures
• Dynamic analysis of structures
• Earthquake and wind engineering
• Fibre composites
• Fire engineering
• Geomechanics and foundation engineering
• Masonry structures
• Mechanics of materials
• Shock and impact loading
• Steel and aluminium structures
• Structural health monitoring
• Structural optimisation
• Sustainable materials
• Timber engineering
Incorporating Sustainable Practice in Mechanics of Structures and Materials will be a valuable reference for academics, researchers and practising engineers working in structural engineering and structural mechanics.
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