The book summarizes the well established as well as the newest constitutive formulations that describe the variety of possible loadings beginning with quasi-static to impact. The rate dependence is crucial in the description. The implementation of discussed phenomenological physical laws into the environment of numerical codes is in focus of presentation. Numerical examples prove the importance of using the new constitutive properties in design.
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This book comprehensively treats the formulation and finite element approximation of contact and impact problems in nonlinear mechanics. Intended for students, researchers and practitioners interested in numerical solid and structural analysis, as well as for engineers and scientists dealing with technologies in which tribological response must be characterized, the book includes an introductory but detailed overview of nonlinear finite element formulations before dealing with contact and impact specifically. Topics encompassed include the continuum mechanics, mathematical structure, variational framework, and finite element implementations associated with contact/impact interaction. Additionally, important and currently emerging research topics in computational contact mechanics are introduced, encompassing such topics as tribological complexity, conservative treatment of inelastic impact interaction, and novel spatial discretization strategies.
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Durability of Building Materials and Components provides a collection of recent research works to contribute to the systematization and dissemination of knowledge related to the long-term performance and durability of construction and, simultaneously, to show the most recent advances in this domain. It includes a set of new developments in the field of durability, service life prediction methodologies, the durability approach for historical and old buildings, asset and maintenance management and on the durability of materials, systems and components. The book is divided in several chapters that intend to be a resume of the current state of knowledge for benefit of professional colleagues.
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This volume contains the contributions to the 17th Symposium of STAB (German Aerospace Aerodynamics Association). STAB includes German scientists and engineers from universities, research establishments and industry doing research and project work in numerical and experimental fluid mechanics and aerodynamics, mainly for aerospace but also for other applications. Many of the contributions collected in this book present results from national and European Community sponsored projects. This volume gives a broad overview of the ongoing work in this field in Germany and spans a wide range of topics: airplane aerodynamics, multidisciplinary optimization and new configurations, hypersonic flows and aerothermodynamics, flow control (drag reduction and laminar flow control), rotorcraft aerodynamics, aeroelasticity and structural dynamics, numerical simulation, experimental simulation and test techniques, aeroacoustics as well as the new fields of biomedical flows, convective flows, aerodynamics and acoustics of high-speed trains.
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New Results in Numerical and Experimental Fluid Mechanics VII: Contributions to the 16th STAB/DGLR Symposium Berlin, Germany 2008
Author: Andreas Dillmann, Gerd Heller, Wolfgang Schröder, Michael Klaas, Wolfgang Nitsche, Hans-Peter Kreplin | Size: 43 MB | Format:PDF | Quality:Unspecified | Publisher: Springer | Year: 2010 | Pages: 610 | ISBN: 9783642142420, 9783642142437
This volume contains the contributions to the 16. Symposium of the STAB (German Aero-space Aerodynamics Association). In this association all those German scientists and engi-neers from universities, research establishments and industry are involved, who are doing research and project work in numerical and experimental fluid mechanics and aerodynamics, mainly for aerospace but for other applications, too. Many of the contributions are presenting results from national and European Community sponsored projects. The volume gives a broad overview over the ongoing work in this field in Germany, with the topics being high-aspect ratio wings, low aspect-ratio wings, bluff bodies, laminar flow control and transition, active flow control, hypersonic flows, aeroelasticity, aeroacoustics, mathematical fundamentals/ numerical simulation, physical fundamentals, and facilities.
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Soils and Foundations for Architects and Engineers, Second Edition is a practical guide to the technology of soil mechanics and foundations, and the application of that technology to the design and construction process. This text provides an up-to-date overview of the classification of soils, the design of foundations, and the behavior of soils under load. Particular emphasis has been given to the subject of piles, piers, and caissons, and to the design and details of construction of basement and retaining walls.
New to this edition:
Expanded coverage of shear strength of soils, settlement analysis, and expansive soil.
Design requirements for prestressed tiebacks, tiedowns, and rock anchors.
Expansion of information on pile driving techniques including the use of the Engineering News Formula.
A table of British-metric conversions.
Many new solved problems and illustrations.
In addition to the numerous new improvements, the author also includes: effects of high water tables on architectural and engineering considerations, design of shear keys used in the transfer of lateral earth pressure from a wall to the supporting element, various drainage alternatives to the structural treatment of adjacent footings, and much more.
Soils and Foundations for Architects and Engineers, Second Edition can be used in advanced undergraduate and graduate level courses offered in architectural engineering and civil engineering, as well as be used as a reference book by practicing architects, insurance adjusters and attorneys who litigate or adjudicate claims involving soils and foundations.
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SCI P288 Fire Safe Design - Multi-Storey Steel-Framed
Size: 2.86 MB | Format:PDF | Quality:Original preprint | Publisher: The Steel Construction Institute | Year: 2000 | pages: 107 | ISBN: 1 85942 120 2
This publication is the first to offer guidance on the design of composite steel-framed buildings in fire based on lessons learned from the full-scale fire tests carried out at the Building Research Establishment, Cardington, during 1995 and 1996. The guide contains simple design rules (‘Level 1’) that are based largely on the observed behaviour and which will allow some economies to be made in the fire protection requirements of some composite steel-framed buildings. It is hoped that in due course, much more comprehensive guidance (‘Level 2’), based on a more detailed analysis, in cluding extensive numerical modelling, will be developed. Level 2 guidance will allow further economies to be made.
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This book gives a most detailed presentation of the theories behind modern wastewater treatment processes. It presents an up-to-date description of wastewater characteristics and the theories of biological processes and their modelling. The quantitative information density is unique due to the numerous tables, figures and examples.The book is primarily intended for graduate and PhD students, but owing to the abundant quantitative information it is also valuable for consulting engineers and other professionals who deal with wastewater treatment. The book has an extensive Table of Contents and list of symbols, which makes it useful as a handbook.
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SCI P286 Guide to Evaluating Design Wind Loading to BS6399-2
Size: 1.30 MB | Format:PDF | Quality:Unspecified | Publisher: The Steel Construction Institute | Year: 1997 | pages: 99 | ISBN: 1859421342
This publication presents guidance on the use of the design procedures given in BS 6399-2:1997, Loading for buildings. Code of practice for wind loads, to calculate the wind loads on buildings, using methods that are suitable for hand calculations. These procedures include the Standard Method and Hybrid Method, which are presented in the Code. Two new design methods are introduced in this publication, called the Simplified Standard Method and the Simplified Hybrid Method.
As the names suggest these methods are simplified versions of the methods given in the Code. The purpose of
introducing the additional methods is to present a ‘back-of-the-envelope’ method (the Simplified Standard Method) and a method that is considered to be a suitable balance
between calculation effort and economical design (the Simplified Hybrid Method).
The publication presents a concise step-by-step procedure for all the design methods that are suitable for hand calculation. Detailed explanation is provided for each calculation step. Guidance is also presented on the use of pressure coefficients, and the treatment of dominant openings, overall loads and asymmetric loads. The guidance aims to produce economical design while ensuring the design effort is kept to a minimum. Design examples are presented to show the use of the Standard, Simplified Standard and
Simplified Hybrid methods.
Throughout this publication, constant reference is made to the clauses and figures in the Code. This publication is not intended to be a ‘stand-alone document’ and designers will
need to use it alongside the Code, BS 6399-2:1997.
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Shell structures are widely used in the fields of civil, mechanical, architectural, aeronautical, and marine engineering. Shell technology has been enhanced by the development of new materials and prefabrication schemes. Despite the mechanical advantages and aesthetic value offered by shell structures, many engineers and architects are relatively unacquinted with shell behaviour and design.
This book familiarizes the engineering and architectural student, as well as the practicing engineer and architect, with the behaviour and design aspects of shell structures. Three aspects are presented: the Physical behaviour, the structural analysis, and the design of shells in a simple, integrated, and yet concise fashion. Thus, the book contains three major aspects of shell engineering: (1) physical understanding of shell behaviour; (2) use of applied shell theories; and (3) development of design methodologies together with shell design examples.
The theoretical tools required for rational analysis of shells are kept at a modest level to give a sound grasp of the fundamentals of shell behaviour and, at the same time, an understanding of the related theory, allowing it to be applied to actual design problems. To achieve a physical understanding of complex shell behaviour, quantitative presentations are supplemented by qualitative discussions so that the reader can grasp the `physical feeling' of shell behaviour. A number of analysis and detailed design examples are also worked out in various chapters, making the book a useful reference manual.
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