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Contribution A Letude De Limpact Dune Bille Sur Une Plaque En Materiau Composite
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Book Synopsis CONTRIBUTION A L'ETUDE DE L'IMPACT D'UNE BILLE SUR UNE PLAQUE EN MATERIAU COMPOSITE by : Nicolas Beaumont
Download or read book CONTRIBUTION A L'ETUDE DE L'IMPACT D'UNE BILLE SUR UNE PLAQUE EN MATERIAU COMPOSITE written by Nicolas Beaumont and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: LES STRUCTURES AERONAUTIQUES REQUIERENT L'UTILISATION DE MATERIAUX DE HAUTE TECHNOLOGIE COMME LES MATERIAUX COMPOSITES. LA COMPREHENSION ET LA MODELISATION DU COMPORTEMENT DE CES MATERIAUX LORSQU'ILS SONT SOUMIS A UN IMPACT SONT D'UNE GRANDE IMPORTANCE POUR L'INDUSTRIE. CETTE THESE TRAITE DE L'ETUDE EXPERIMENTALE ET THEORIQUE DE L'IMPACT D'UNE BILLE D'ACIER SUR UNE PLAQUE EN MATERIAU COMPOSITE A FIBRES LONGUES ET A MATRICE ORGANIQUE DANS UN DOMAINE DE VITESSE DE 100 A 300 M/S. LES MODES D'ABSORPTION D'ENERGIE MIS EN JEU LORS DE L'INTERACTION DU PROJECTILE ET DE LA PLAQUE SONT MIS EN EVIDENCE ET SEPARES. UN MODELE EST DEVELOPPE DANS LE CADRE DE LA THERMODYNAMIQUE DES PROCESSUS IRREVERSIBLES. DES COMPARAISONS CALCUL-EXPERIENCE PORTANT SUR LA VITESSE RESIDUELLE DU PROJECTILE, LES DEFORMATIONS DANS LA PLAQUE ET L'ETENDUE DE L'AIRE DELAMINEE SONT EFFECTUEES
Download or read book Journal de Physique written by and published by . This book was released on 1991 with total page 1128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 5th International Conference on Mechanical and Physical Behaviour of Materials Under Dynamic Loading by :
Download or read book 5th International Conference on Mechanical and Physical Behaviour of Materials Under Dynamic Loading written by and published by . This book was released on 1997 with total page 1132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Contribution à l'étude du comportement sous impact localisé basse vitesse de plaques stratifiées à base d'unidirectionnels composites à fibres longues by : Christine Espinosa
Download or read book Contribution à l'étude du comportement sous impact localisé basse vitesse de plaques stratifiées à base d'unidirectionnels composites à fibres longues written by Christine Espinosa and published by . This book was released on 1991 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'OBJET DE CETTE ETUDE EST LA SIMULATION NUMERIQUE DE L'ENDOMMAGEMENT SUBI PAR DES PLAQUES STRATIFIEES A BASE D'UNIDIRECTIONNELS CARBONE/OU VERRE/EPOXYDE PENDANT ET APRES UN IMPACT LOCALISE DE FAIBLE ENERGIE. NOUS IDENTIFIONS ET CARATERISONS LES PARAMETRES TYPIQUES CONCERNANT LE MONTAGE EXPERIMENTAL, LA SOLLICITATION, LE COMPORTEMENT DE STRUCTURE ET LES PROCESSUS D'ENDOMMANGEMENT, PUIS NOUS RECONSTITUONS UNE CHRONOLOGIE DE L'ENDOMMAGEMENT EN PARALLELE AVEC CELLES DE LA SOLLICITATION ET DE LA REPONSE DE LA PLAQUE. L'ANALYSE DE L'ADAPTABILITE DES MODELES THEORIQUES ACTUELS A LA MODELISATION DES QUATRE POINTS PRECEDENTS NOUS PERMET DE CHOISIR ET DE DEVELOPPER UNE TECHNIQUE AUTO-COHERENTE DE MODELISATION DE L'ENDOMMAGEMENMT DE FISSURATION CARACTERISTIQUE DE L'IMPACT. NOUS DEVELOPPONS LE CODE DYNAMIQUE EXPLICITE PAR ELEMENTS FINIS PLEXUS A LA SIMULATION DU COMPORTEMENT DE MATERIAU COMPOSITE VIERGE ET ENDOMMAGE. ENFIN, NOUS DISCUTONS LE PARADOXE NUMERIQUE DE REPRESENTATION DU COMPORTEMENT DE STRUCTURE DE LA PLAQUE ET DU MATERIAU HETEROGENE DISPERSIF ENDOMMAGEABLE
Book Synopsis CONTRIBUTION A L'ETUDE DU COMPORTEMENT DYNAMIQUE DE MATERIAUX PAR IMPACT PLAQUE SUR PLAQUE by : ROGER.. COZIC
Download or read book CONTRIBUTION A L'ETUDE DU COMPORTEMENT DYNAMIQUE DE MATERIAUX PAR IMPACT PLAQUE SUR PLAQUE written by ROGER.. COZIC and published by . This book was released on 1994 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: CETTE ETUDE EXPERIMENTALE PAR IMPACT PLAQUE SUR PLAQUE CONTRIBUE A LA COMPREHENSION DE L'ENDOMMAGEMENT PAR ONDES DE CHOC COURTES DES MATERIAUX COMPOSITES DANS UNE DEFORMATION PLANE DE FAIBLE VALEUR (INFERIEURE A 10%). ELLE COMPORTE LA REALISATION D'UNE TECHNIQUE DITE CANON ELECTROTHERMIQUE BASEE SUR L'EXPLOSION D'UNE FEUILLE MINCE D'ALUMINIUM; CELLE-CI PROPULSE UN PROJECTILE EN FORME D'ETOILE SUR UN MATERIAU A ETUDIER, LUI CONFINANT UNE ZONE OCTOGONALE DE DEFORMATION PLANE. LA MESURE INTERFEROMETRIQUE EFFECTUEE PAR LASER SUR LA FACE AVANT DU MATERIAU DONNE ACCES PAR L'OBTENTION DE LA VITESSE DES PARTICULES ET GRACE A LA CONNAISSANCE DE CELLE DU PROJECTILE IMPACTANT LA FACE ARRIERE, A LA RELATION CONTRAINTE-DEFORMATION EN DYNAMIQUE POUR DES VITESSES DE DEFORMATION DANS LA GAMME DE 8.10#3 S##1 A 5.10#4 S##1. LES MATERIAUX ETUDIES SONT DE DEUX TYPES: DES COMPOSITES A FIBRES DE VERRE ET MATRICE ORGANIQUE D'UNE PART, ET DES COMPOSITES CARBONE/CARBONE DE DIFFERENTES STRUCTURES D'AUTRE PART. L'ANALYSE COMPARATIVE DES RESULTATS CONDUIT A DES RELATIONS LINEAIRES DE LA VARIATION DE CONTRAINTE EN FONCTION DE LA VITESSE DE DEFORMATION. DE PLUS UNE OBSERVATION AU MICROSCOPE A BALAYAGE PERMET DE METTRE EN EVIDENCE DES DECOHESIONS ENTRE LES TORONS DE FIBRES ET LA MATRICE, AINSI QU'ENTRE LES FIBRES ELLE-MEMES
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1989 with total page 1188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Adhesion between polymers and concrete / Adhésion entre polymères et béton by : H. R. Sasse
Download or read book Adhesion between polymers and concrete / Adhésion entre polymères et béton written by H. R. Sasse and published by Springer. This book was released on 2013-11-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preface Adhesion is a phenomenon architects and civil engineers are not very familiar with. In other disciplines knowledge about surface properties and the background of bonding energies is also far from satisfactory; nevertheless there are many important· applications in concrete engineering, where adhesion is necessary for success and durability. These include: - coating and painting - repair of concrete surfaces - bonding of fresh to old concrete - crack injection - glueing of precast elements - glueing of steel to concrete, etc. In 1981 RILEM established the technical committee 52-RAC 'Resin Adherence to Concrete'. The main aims of the committee's work were - to collect research results and practical experiences - to initiate and coordinate research programs - to develop, on a scientific base, test methods for field and for laboratory purposes. One of the results of the committee's work is a state-of-the-art report, which will be presented orally as a General Report at the International Symposium ISAP '86, and will be printed either in the RILEM journal Materials and Structures or separately. Several test recommendations have been elaborated and will be prepared as drafts for the participants ofISAP '86. These are: - direct tensile test - pull-off test - direct shear test - slant shear test - four-point bending test - dynamic loading test - thermal compatibility test (two versions) - injectibility test.
Book Synopsis The Intangible Elements of Culture in Ethnoarchaeological Research by : Stefano Biagetti
Download or read book The Intangible Elements of Culture in Ethnoarchaeological Research written by Stefano Biagetti and published by Springer. This book was released on 2016-06-02 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume focuses on the intangible elements of human cultures, whose relevance in the study of archaeology has often been claimed but rarely practiced. In this book, the authors successfully show how the adoption of ethnoarchaeological perspectives on non-material aspects of cultures can support the development of methodologies aimed at refining the archaeological interpretation of ancient items, technologies, rituals, settlements and even landscape. The volume includes a series of new approaches that can foster the dialogue between archaeology and anthropology in the domain of the intangible knowledge of rural and urban communities. The role of ethnoarchaeology in the study of the intangible heritage is so far largely underexplored, and there is a considerable lack of ethnoarchaeological studies explicitly focused on the less tangible evidence of present and past societies. Fresh case studies will revitalize the theoretical debate around ethnoarchaeology and its applicability in the archaeological and heritage research in the new millennium. Over the past decade, ‘intangible’ has become a key word in anthropological research and in heritage management. Archaeological theories and methods regarding the explorations of the meaning and the significance of artifacts, resources, and settlement patterns are increasingly focusing on non-material evidence. Due to its peculiar characteristics, ethnoarchaeology can effectively foster the development of the study of the intangible cultural heritage of living societies, and highlight its relevance to the study of those of the past.
Book Synopsis Dictionary of Building and Civil Engineering by : Don Montague
Download or read book Dictionary of Building and Civil Engineering written by Don Montague and published by Taylor & Francis. This book was released on 1996 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.
Book Synopsis Dictionary of French and English, English and French by : John Bellows
Download or read book Dictionary of French and English, English and French written by John Bellows and published by . This book was released on 1911 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Complete Poetry of Aimé Césaire by : Aimé Césaire
Download or read book The Complete Poetry of Aimé Césaire written by Aimé Césaire and published by Wesleyan University Press. This book was released on 2017-10-03 with total page 994 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Complete Poetry of Aimé Césaire gathers all of Cesaire’s celebrated verse into one bilingual edition. The French portion is comprised of newly established first editions of Césaire’s poetic œuvre made available in French in 2014 under the title Poésie, Théâtre, Essais et Discours, edited by A. J. Arnold and an international team of specialists. To prepare the English translations, the translators started afresh from this French edition. Included here are translations of first editions of the poet’s early work, prior to political interventions in the texts after 1955, revealing a new understanding of Cesaire’s aesthetic and political trajectory. A truly comprehensive picture of Cesaire’s poetry and poetics is made possible thanks to a thorough set of notes covering variants, historical and cultural references, and recurring figures and structures, a scholarly introduction and a glossary. This book provides a new cornerstone for readers and scholars in 20th century poetry, African diasporic literature, and postcolonial studies.
Download or read book Properties of UO2 written by J. Belle and published by . This book was released on 1957 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dictionary of Civil Engineering by : Jean-Paul Kurtz
Download or read book Dictionary of Civil Engineering written by Jean-Paul Kurtz and published by Springer Science & Business Media. This book was released on 2007-05-08 with total page 1520 pages. Available in PDF, EPUB and Kindle. Book excerpt: I am pleased to present a work which marks a milestone in the history of public works and, more precisely, in that of permanent structures—a comprehensive dictionary of Civil Engineering terms. Since the beginning of time, Man has always tried to find a means to clear the obstacles which nature erected to displace him. With the first tree trunk thrown across a river, man sought to improve the crossing structure. After the invention of the wheel, and to satisfy his thirst for conquest (Roman ways), and comfort (aqueducts), man built bridges that became a preremptory necessity to move quickly. Thus, Man started to build wooden and masonry works. With the passing centuries, the builders became masters in the art of building masonry works. Then came the Industrial Revolution and the advent of the steel (1864), which was closely followed by the invention of the reinforced concrete (1855). The need for railways and improving the road network inspired great works of crossing such as viaducts and tunnels. The boom of the railway network and the development of the car required the construction of an increasing number of new structures. This phenomenon continues today with hundreds of structures built each year throughout the world.
Book Synopsis The Athenian Trireme by : J. S. Morrison
Download or read book The Athenian Trireme written by J. S. Morrison and published by Cambridge University Press. This book was released on 2000-07-20 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: Second edition of the technical and historical background to the reconstruction of a Greek warship.
Book Synopsis Consumer Choice in Historical Archaeology by : S.M. SpencerWood
Download or read book Consumer Choice in Historical Archaeology written by S.M. SpencerWood and published by Springer Science & Business Media. This book was released on 1987-06-30 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historical archaeology has made great strides during the last two decades. Early archaeological reports were dominated by descriptions of features and artifacts, while research on artifacts was concentrated on studies of topology, technology, and chronology. Site reports from the 1960s and 1970s commonly expressed faith in the potential artifacts had for aiding in the identifying socioeconomic status differences and for understanding the relationships be tween the social classes in terms of their material culture. An emphasis was placed on the presence or absence of porcelain or teaware as an indication of social status. These were typical features in site reports written just a few years ago. During this same period, advances were being made in the study of food bone as archaeologists moved away from bone counts to minimal animal counts and then on to the costs of various cuts of meat. Within the last five years our ability to address questions of the rela tionship between material culture and socioeconomic status has greatly ex panded. The essays in this volume present efforts toward measuring expendi ture and consumption patterns represented by commonly recovered artifacts and food bone. These patterns of consumption are examined in conjunction with evidence from documentary sources that provide information on occupa tions, wealth levels, and ethnic affiliations of those that did the consuming. One of the refreshing aspects of these papers is that the authors are not afraid of documents, and their use of them is not limited to a role of confirmation.
Book Synopsis Microdosimetry by : Lennart Lindborg
Download or read book Microdosimetry written by Lennart Lindborg and published by CRC Press. This book was released on 2020-10-02 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental microdosimetry deals with the measurement of charged particle energy deposition in tissue equivalent volumes, ranging in size from nanometres to micrometres. Microdosimetry is employed to improve our understanding of the relationship between radiation energy deposition, the resulting biological effects, and the appropriate quantities to be used in characterizing and quantifying radiation quality. Although many reviews and contributions to the field have been published over the past fifty years, this new book is the first to provide a single, up to date, and easily accessible account of experimental microdosimetry. This book is designed to be used in medical, radiation, and health physics courses and by Master's and PhD students. In addition to serving as an introductory text to the field for graduate students, this book will also be of interest as a teaching and reference resource for graduate supervisors and established researchers. Drs. Lennart Lindborg and Anthony Waker have spent a life-time career in experimental microdosimetry research in academic, industrial and regulatory environments and have observed the development of the field from its early days as a recognized discipline; they bring to this book particular knowledge and experience in the design, construction, operation and use of tissue equivalent gas ionization counters and chambers.
Author :International Livestock Research Institute Publisher :ILRI (aka ILCA and ILRAD) ISBN 13 :9789291460038 Total Pages :268 pages Book Rating :4.4/5 (6 download)
Book Synopsis Livestock Policy Analysis by : International Livestock Research Institute
Download or read book Livestock Policy Analysis written by International Livestock Research Institute and published by ILRI (aka ILCA and ILRAD). This book was released on 1995-01-01 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Policy concepts; Identification of policy issues; Production systems, supply and demand; Market, price and trade policies; Marketing and distribution systems; Budget and manpower planning; Land tenure police for the livestock sector; Policy analysis report writing and communication; Livestock production and marketing in alphabeta - a case study.
