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Fundamentals of Discrete Element Methods for Rock Engineering - Original PDF
Fundamentals of Discrete Element Methods for Rock Engineering - Original PDF
نویسندگان: Lanru Jing خلاصه: PREFACE This book is a summary of our collaborative teaching and research efforts over the last two decades relating to the subject of discrete element methods (DEM) and its applications to rock mechanics and rock engineering. We have not intended this book to be a thorough presentation of the most current cutting- edge research subjects in the fields of DEM and its applications in geosciences and geoengineering – because the advances are occurring too rapidly. Instead we present some fundamental concepts behind the basic theories and tools of DEM, its historical development and its wide scope of applications in geology, geophysics and rock engineering. We hope that, with this moderate ambition, it may be more helpful and useful for a larger number of practicing engineers, students and researchers alike and serve as a starting platform for more advanced and in-depth further studies. Unlike almost all books available on the general subject of DEM, this book includes coverage of both explicit and implicit DEM approaches, namely the distinct element methods and discontinuous deforma- tion analysis (DDA) for both rigid and deformable blocks and particle systems, and also the discrete fracture network (DFN) approach for fluid flow simulations. Actually the latter is also a discrete approach of importance for rock mechanics and rock engineering. In addition, brief introductions to some alternative approaches are also provided, such as percolation theory and Cosserat micro-mechanics equivalence to particle systems, which often appear hand in hand with the DEM in the literature. We provide a presentation of the fundamentals of the governing equations of the discrete systems concerning motion, deformation, fluid flow and heat transfer, to an extent that is currently considered in some available DEM codes. Special attention is given to constitutive models of rock fractures and fracture system characterization methods. These two issues are the basic building blocks of DEM and also have the most significant impacts on the performance and uncertainty of the DEM models. The DEMs were pioneered and continuously developed by Dr P. A. Cundall, the creator of the distinct element methods, and Dr Genhua Shi, the creator of DDA, block theory and numerical manifold method. The authors learned DEM basics from them and received continuous inspirations and encour- agements. This book presents only some basics of the distinct element methods and discontinuous deformation analysis, only small parts of their outstanding contributions. The first author expresses his special gratitude to Professor Xuefu Yu in China, who led the author into the fields of rock mechanics and numerical modeling in late 1970s and provided continuous guidance and encouragements
High-energy ball milling Mechanochemical processing of nanopowders - Original PDF
High-energy ball milling Mechanochemical processing of nanopowders - Original PDF
نویسندگان: Małgorzata Sopicka-Lizer خلاصه: Nanotechnology is an area of science and technology where dimensions and toler- ances in the range of 0.1 nm to 100 nm play a critical role. Nanotechnology encom- passes precision engineering as well as electronics, electromechanical systems and mainstream biomedical applications in areas as diverse as gene therapy, drug deliv- ery and novel drug discovery techniques. Nanostructured materials present exciting opportunities for manipulating structure and properties at the nano scale and the ability to engineer novel structures at the molecular level has led to unprecedented opportunities for materials design. This new book provides detailed insights into the synthesis/structure and property relationships of nanostructured materials. This is a valuable book for materials scientists, mechanical and electronic engineers and medical researchers.
Silent Conflict A Hidden History of Early Soviet-Western Relations - Original PDF
Silent Conflict A Hidden History of Early Soviet-Western Relations - Original PDF
نویسندگان: Michael Jabara Carley خلاصه: It is not easy to study the history of Soviet foreign policy or Soviet relations with the West. Until the beginning of the 1990s the Soviet archives were closed tight. After the collapse and dismemberment of the Soviet Union in 1991, the archives gradually opened, but only partially. Sometimes papers were opened only to be closed again. Russian archivists had tens of thou- sands of papki, or files, in their care and, not always knowing what was in them, were reluctant to open them to researchers. These include, inter alia, the important party archives for the inter-war years at Rossiiskii gosudarstven- nyi arkhiv sotsial’no-politicheskoi istorii (RGASPI) and the diplomatic papers of the Arkhiv vneshnei politiki Rossiiskoi Federatsii (AVPRF), the archives of the Russian foreign ministry. In AVPRF there were and are all sorts of dif- ficulties. Researchers have no access to inventories, so it’s like playing poker when asking archivists for files. Sometimes the files are rich, and you win, and sometimes not, and you lose. Computers were forbidden for a number of years, and photocopies were so costly as to make a new arrival gasp for air. You got used to the impediments and learned to function around them. The excitement of new discoveries and uncharted ground made you forget the numerous irritations
OET Physiotherapy_ Official OET Practice Book 1 - PDF
OET Physiotherapy_ Official OET Practice Book 1 - PDF
نویسندگان: Cambridge Boxhill Language Assessment (OET) خلاصه: OET is an international English language test that assesses the language proficiency of healthcare professionals seeking to register and practise in an English-speaking environment. It provides a validated, reliable assessment of all four language skills – listening, reading, writing and speaking – with the emphasis on communication in healthcare professional settings. OET tests candidates from the following 12 health professions: Dentistry, Dietetics, Medicine, Nursing, Occupational Therapy, Optometry, Pharmacy, Physiotherapy, Podiatry, Radiography, Speech Pathology and Veterinary Science. Candidates are encouraged to prepare thoroughly for their OET test. Language proficiency and test taking skills For more information about OET including the latest test dates and a complete list of test locations and preparation providers, as well as access to our free test preparation package Start for Success, visit the OET website: www.occupationalenglishtest.org About the test OET assesses listening, reading, writing and speaking. There is a separate sub-test for each skill area. The Listening and Reading sub-tests are designed to assess the ability to understand spoken and written English in contexts related to general health and medicine. The sub-tests for Listening and Reading are common to all professions. The Writing and Speaking sub-tests are specific to each profession and are designed to assess the ability to use English appropriately in the relevant professional context.
OET Dietetics_ Official OET Practice Book 1_ For tests from 31 August 2019_nodrm - PDF
OET Dietetics_ Official OET Practice Book 1_ For tests from 31 August 2019_nodrm - PDF
نویسندگان: Cambridge Boxhill Language Assessment (OET) خلاصه: OET is an international English language test that assesses the language proficiency of healthcare professionals seeking to register and practise in an English-speaking environment. It provides a validated, reliable assessment of all four language skills – listening, reading, writing and speaking – with the emphasis on communication in healthcare professional settings. OET tests candidates from the following 12 health professions: Dentistry, Dietetics, Medicine, Nursing, Occupational Therapy, Optometry, Pharmacy, Physiotherapy, Podiatry, Radiography, Speech Pathology and Veterinary Science. Candidates are encouraged to prepare thoroughly for their OET test. Language proficiency and test taking skills For more information about OET including the latest test dates and a complete list of test locations and preparation providers, as well as access to our free test preparation package Start for Success, visit the OET website: www.occupationalenglishtest.org About the test OET assesses listening, reading, writing and speaking. There is a separate sub-test for each skill area. The Listening and Reading sub-tests are designed to assess the ability to understand spoken and written English in contexts related to general health and medicine. The sub-tests for Listening and Reading are common to all professions. The Writing and Speaking sub-tests are specific to each profession and are designed to assess the ability to use English appropriately in the relevant professional c
Relaying Cinema in Midcentury Iran Material Cultures in Transit - Original PDF
Relaying Cinema in Midcentury Iran Material Cultures in Transit - Original PDF
نویسندگان: Kaveh Askari خلاصه: 1 Midcentury Film companies in Iran in the early 1960s did not always pay careful attention to their design elements, but Azhir Film had the ambition to bring its films, and especially its new release Zarbat (The Strike, Khachikian, 1964), into the world of midcentury cinema with a memorable design scheme. The film’s creators did not realistically expect it to produce revenues outside of Iran, although they teased this possibility in the press as the project moved through various stages of its production. 1 The primary aim, rather, was to create a certain kind of cinematic experience when the film was released. The release called upon modern design’s global ambitions at a time when packing movie houses in Tehran still typically meant securing a well-traveled film print. A stubborn disagreement between filmmakers had left a lot riding on this particular crime thriller. Film studios in Iran tried to avoid compet- ing releases, but this time, during a coveted release slot after the start of spring and the Iranian New Year, two producers refused to compro- mise. The Strike, produced by Josef Vaezian and directed by Samuel Khachikian, each of whom was coming off of a string of successful films, would be released the same week as the rival producer and for- mer Khachikian collaborator Mehdi Missaghieh’s Ensan- ha (Human Beings, Aghamaliyan). Industry professionals debated the ethics of this in the press, but neither producer would move aside. 2 The Strike’s dis
Taschenatlas Schnittbildanatomie  Band III: Extremitäten, Gelenke, Wirbelsäule – CT und MRT  2., überarbeitete Auflage  446 Abbildungen - Original PDF
Taschenatlas Schnittbildanatomie Band III: Extremitäten, Gelenke, Wirbelsäule – CT und MRT 2., überarbeitete Auflage 446 Abbildungen - Original PDF
نویسندگان: Torsten B. Möller Emil Reif خلاصه: Nichts ist sicherer als die Veränderung. Und doch ist es sinnvoll, das Alte mit dem Neuen zu verbinden. Deshalb bleibt diese Buchreihe der Taschenatlanten der Schnittbildanatomie auch ihrem bewährten Konzept der Gegenüberstel- lung von Bild und farbiger Zeichnung treu und fügt Neuerungen ein wo sinnvoll. Damit wird der rasanten Entwicklung der radiologischen Bildgebung Rechnung getragen, steigt doch mit den erhöhten Anforderungen an die Diagnostik bei immer selektiveren Therapien die Bedeu- tung der Anatomiekenntnisse weiter an. Die vorliegende Neuauflage – wieder mit zahlreichen Verbesserungen und aktuellen Neuerungen – besitzt wieder eine nochmals leicht verbesserte einheitliche farbige Aus- gestaltung der unterschiedlichen Strukturen. Die Leserinnen und Leser erhalten so trotz des enormen Detailreichtums der Zeichnungen übersichtlich, schnell und sicher ihre Informa- tionen. Die Aufnahme der gesamten Extremi- täten quasi als Übersicht auch in das Taschen- buchformat war vielfach gewünscht worden und erleichtert die Beschreibung gelenkferner Strukturen. Wir glauben deshalb, dass auch diese Neuauflage wieder eine weitere Verbes- serung darstellt. Umso mehr dient die Neuauflage damit auch dem ursprünglichen Erstellungszweck: die Suche nach Information soll den Leserin- nen und Lesern gleichzeitig auch viel Spaß und Freude bereiten
Taschenatlas Schnittbildanatomie  Band I: Kopf, Hals – CT und MRT  5., überarbeitete Auflage  312 Abbildungen - Original PDF
Taschenatlas Schnittbildanatomie Band I: Kopf, Hals – CT und MRT 5., überarbeitete Auflage 312 Abbildungen - Original PDF
نویسندگان: Torsten B. Möller Emil Reif خلاصه: rer als die Veränderung. Und doch ist es sinnvoll, das Alte mit dem Neuen zu verbinden. Deshalb bleibt diese Buchreihe der Taschenatlanten der Schnittbildanatomie auch ihrem bewährten Konzept der Gegenüberstel- lung von Bild und farbiger Zeichnung treu und fügt Neuerungen ein wo sinnvoll. Damit wird der rasanten Entwicklung der radiologischen Bildgebung Rechnung getragen, steigt doch mit den erhöhten Anforderungen an die Diagnostik bei immer selektiveren Therapien die Bedeu- tung der Anatomiekenntnisse weiter an. Die vorliegende Neuauflage – wieder mit zahlreichen Verbesserungen und aktuellen Neuerungen – besitzt wieder eine nochmals leicht verbesserte einheitliche farbige Aus- gestaltung der unterschiedlichen Strukturen. Die Leserinnen und Leser erhalten so trotz des enormen Detailreichtums der Zeichnungen übersichtlich, schnell und sicher ihre Informa- tionen. Die Aufnahme der Lymphknotenstatio- nen des Halses nicht nur nach Ebenen und Räumen, sondern auch entsprechend der ra- diotherapeutischen Einteilung entsprechend der Gepflogenheit internationaler Fachgesell- schaften auch in das Taschenbuchformat war vielfach gewünscht worden und erleichtert die Beschreibung insbesondere beim Tumor-Sta- ging. Wir glauben deshalb, dass auch diese Neuauflage wieder eine weitere Verbesserung darstellt. Umso mehr dient die Neuauflage damit auch dem ursprünglichen Erstellungszweck: die Suche nach Information soll den Leserin- nen und Lesern gleichzeitig auch viel Spaß und Freude bereiten.
Kubernetes Programming with Go Programming Kubernetes Clients and Operators Using Go and the Kubernetes API - Original PDF
Kubernetes Programming with Go Programming Kubernetes Clients and Operators Using Go and the Kubernetes API - Original PDF
نویسندگان: Philippe Martin خلاصه: Back in 2017, I was working for a company building video streaming software. At the end of that year, a small team, including me, got assigned a new job to work on deploying the Video CDN developed by the company on Kubernetes. We decided to explore the concept of Custom Resources and Operators to deploy this CDN. The current Kubernetes release was 1.9, the concept of Custom Resource Definition had just been released in 1.7, and the sample-controller repository was the only documentation we knew of to help build an Operator. The Kubernetes ecosystem, being especially lively, had tools appearing in the following months, specifically the Kubebuilder SDK. Thus, our project was launched. From that moment on, I spent numerous days exploring how to build Operators and other programs interacting with the Kubernetes API. But the damage was done: I had started to learn Kubernetes programming from specific to general, and it took me a long time to fully understand the innards of the Kubernetes API. I have written this book in the hope that it can teach new Kubernetes developers how to program, from general to specific, with the Kubernetes API in Go
ennessee Williams, T-shirt Modernism and the Refashionings of Theater (Anthem Studies in Theatre and Performance) - Original PDF
ennessee Williams, T-shirt Modernism and the Refashionings of Theater (Anthem Studies in Theatre and Performance) - Original PDF
نویسندگان: S. E. Gontarski خلاصه: Tennessee Williams, T-shirt Modernism and the Refashionings of Theater reappraises the received wisdom that Williams’s work fell into decline in the late 1960 as the Naturalism he was associated with, not always through his own choice, was replaced by European theatrical experimentalism and as culture saw a lifting of sexual restrictions. It suggests, instead, that Williams was always experimental, always more Chekhov than Ibsen, a lyrical playwright inflected with the poetry of Harte Crane, and that his late plays are as central to Williams’s reshaping of American theater as those works of the immediate post–World War II era that brought him fame and fortune. Its general aim, then, is to engage the perception that “Tennessee Williams is the greatest unknown playwright America has produced” (David Savran, City University of New York). In many respects the work of Tennessee Williams, after a protracted period of neglect, is primed for reappraisal , reinterpretations and, subsequently, re-stagings. This work is part of that process, academically at very least, but performatively as well as academic reinterest often regenerates theatrical reinterest. Read less

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