Contact Mechanics and Friction

Author: Valentin L. Popov
Publisher: Springer
ISBN: 3662530813
Format: PDF
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This application-oriented book introduces readers to the associations and relationships between contact mechanics and friction, providing them with a deeper understanding of tribology. It addresses the related phenomena of contacts, adhesion, capillary forces, friction, lubrication, and wear from a consistent point of view. The author presents (1) methods for rough estimates of tribological quantities, (2) simple and general methods for analytical calculations, and (3) the crossover into numerical simulation methods, the goal being to convey a consistent view of tribological processes at various scales of magnitude (from nanotribology to earthquake research). The book also explores the system dynamic aspects of tribological systems, such as squeal and its suppression, as well as other types of instabilities and spatial patterns. It includes problems and worked-out solutions for the respective chapters, giving readers ample opportunity to apply the theory to practical situations and to deepen their understanding of the material discussed. The second edition has been extended with a more detailed exposition of elastohydrodynamic lubrication, an updated chapter on numerical simulation methods in contact mechanics, a new section on fretting in the chapter on wear, as well as numerous new exercises and examples, which help to make the book an excellent reference guide.

Method of Dimensionality Reduction in Contact Mechanics and Friction

Author: Valentin Popov
Publisher: Springer
ISBN: 3642538762
Format: PDF
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This book describes for the first time a simulation method for the fast calculation of contact properties and friction between rough surfaces in a complete form. In contrast to existing simulation methods, the method of dimensionality reduction (MDR) is based on the exact mapping of various types of three-dimensional contact problems onto contacts of one-dimensional foundations. Within the confines of MDR, not only are three dimensional systems reduced to one-dimensional, but also the resulting degrees of freedom are independent from another. Therefore, MDR results in an enormous reduction of the development time for the numerical implementation of contact problems as well as the direct computation time and can ultimately assume a similar role in tribology as FEM has in structure mechanics or CFD methods, in hydrodynamics. Furthermore, it substantially simplifies analytical calculation and presents a sort of “pocket book edition” of the entirety contact mechanics. Measurements of the rheology of bodies in contact as well as their surface topography and adhesive properties are the inputs of the calculations. In particular, it is possible to capture the entire dynamics of a system – beginning with the macroscopic, dynamic contact calculation all the way down to the influence of roughness – in a single numerical simulation model. Accordingly, MDR allows for the unification of the methods of solving contact problems on different scales. The goals of this book are on the one hand, to prove the applicability and reliability of the method and on the other hand, to explain its extremely simple application to those interested.

Tensor Algebra and Tensor Analysis for Engineers

Author: Mikhail Itskov
Publisher: Springer
ISBN: 3319163426
Format: PDF, ePub, Docs
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This is the fourth and revised edition of a well-received book that aims at bridging the gap between the engineering course of tensor algebra on the one side and the mathematical course of classical linear algebra on the other side. In accordance with the contemporary way of scientific publications, a modern absolute tensor notation is preferred throughout. The book provides a comprehensible exposition of the fundamental mathematical concepts of tensor calculus and enriches the presented material with many illustrative examples. In addition, the book also includes advanced chapters dealing with recent developments in the theory of isotropic and anisotropic tensor functions and their applications to continuum mechanics. Hence, this monograph addresses graduate students as well as scientists working in this field. In each chapter numerous exercises are included, allowing for self-study and intense practice. Solutions to the exercises are also provided.

Frei Otto Carlfried Mutschler Multihalle

Author: Georg Vrachliotis
Publisher:
ISBN: 9783959051927
Format: PDF
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The temporary multipurpose hall built by German architects Frei Otto (1925-2015) and Carlfried Mutschler (1926-99) for the 1975 Federal Horticultural Show in Mannheim ranks as the world's largest wooden grid shell construction. Working largely without any digital computation technology, Otto designed the building's complex roof using a delicate suspended model, oscillating between modeling, drawing and measurement, hand and eye, during the design process to create this unique structure. Drawing on largely unpublished materials from the archives of the architects, this book presents the history of this experimental building for the first time--at a crucial moment in the building's history. Although it was put under a preservation order in 1998, an international debate is now underway over the future of the structure: whether to maintain it, how to maintain it, and how best it can be used.

Auer Weber Assoziierte

Author: Falk Jaeger
Publisher:
ISBN: 9783868590371
Format: PDF, Kindle
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In the last three decades, the architectural partnership of Auer+Weber+Associate, based in Stuttgart and Munich, has become known for projects informed by a deep study of the design tasks at hand as well as by the conditions and chances afforded by their places of implementation. Auer+Weber’s open-minded approach and open design process has repeatedly produced architectural solutions characterised by an individuality and originality that cannot be ascribed to a particular style. The projects range from administration buildings, cultural, educational and research institutions to hotels and residential developments, sports and traffic structures as well as urban designs and masterplans – based on different architectural ideas such as sculptural volumetric bodies or structurally open environments. In recent years, the practice has built an increasing number of projects abroad, among them the ESO hotel on the Cerro Paranal in the Chilean Atacama desert, which received numerous awards. It was also chosen as the location for the final scene of the James Bond thriller, ‘A Quantum of Solace’.

Coop Himmelb l au

Author: Frank Werner
Publisher: Axel Menges
ISBN: 9783932565663
Format: PDF, ePub, Mobi
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Text in English & German. The architects in the Viennese Coop Himmelb(l)au team have felt committed to the credo of constructing cities and buildings that float like clouds ever since the practice was founded in 1968, though it did take a while before gently curving, "floating" buildings became a reality. It was not until new, computer-aided design and building methods and the use of innovative building materials came along recently that it became possible to realise even unthinkable architectural hybrids so light that they actually do seem to float. So the new Musée des Confluences is currently under construction in Lyon, a cloud that has been in the planning phase for some years. And a cloud building like this also does exist in reality in Munich in the form of the new BMW World, conceived by Coop Himmelb(l)au and recently opened. This new building completes the spectacular trio of museum buildings, the Mercedes-Benz and the Porsche Museum in Stuttgart, by UNStudio and Delugan Meissl Associated Architects respectively. A series of excellent interior and exterior photographs provide a record of this demonstration project by BMW. The urban-sculptural and internal spatial qualities of the new BMW World are also analysed thoroughly, and dealt with in detail in the contexts of Coop Himmelb(l)au's older and more recent work. The question is also addressed of the extent to which the structural and material shape of the building actually corresponds with an image of something light enough to float. The presentation is rounded off by a digression into the world of "branding", which has learned how to use spectacular architecture more and more directly as a publicity factor, and to convey an image, or as an artefact.

WeinArchitektur

Author:
Publisher: Hatje Cantz Pub
ISBN: 9783775721950
Format: PDF
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Since the mid-1980s, Austrian wine production has been explosive--garnering stellar reviews, awards and record export revenues. Contemporary architects have found the country ripe with opportunity for further experimentation in the field of wine architecture, which emerged in Napa Valley in the 1990s and became renowned with the 2001 Pritzker Prize-winning, Herzog and de Meuron-designed Dominus Winery (deemed "a combination of sensorial and intellectual pleasure" by Pritzker judge Jorge Silvetti). This publication presents a selection of nearly 70 projects in Lower Austria, Burgenland and Styria, and discusses how the combination of ground-breaking architecture--like the striking silver facade of Steven Holl-designed Loisium winery in Langenlois--and emerging wineries have been changing the face of the Austrian countryside for the past two decades. As Martin Rauchbauer, Deputy Director of the Austrian Cultural Forum, has observed, "The quality of wine architecture in Austria is seen as more than a transitory phenomenon. A new architectural language has developed, which cautiously takes into account traditional forms of building and at the same time presents self-confident interpretations of the requirements of contemporary winemaking."

Wine and Architecture

Author: Heinz-Gert Woschek
Publisher: Detail
ISBN: 9783920034737
Format: PDF, ePub, Mobi
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"Several wineries and vineyards have captured the public s eye in recent years thanks to their distinctive architecture, which thoroughly conveys the atmosphere of their surroundings while reflecting the tradition of the winemaker. Through selected vineyards, this book traces the path of winemaking from grape harvest to tasting - all through the eyes of architects and winemakers: Based on numerous conversations with them, the authors are able to tell the personal stories behind the origins of each building and how it relates to its special place, all while expressing the sensual experience that is part of the world of wine. Besides information about the various wine-growing regions and the history of ""wine architecture,"" the book familiarises the reader with the winemaking process and wine itself, making the book a handy wine and travel guide from the architect s perspective."