CONCEPTION D'UNE STRUCTURE TRAVAILLANTE EN MATERIAUX COMPOSITES ET ETUDE DE SES LIAISONS PDF Download
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Author: FRANCOIS.. CERISIER
Publisher:
ISBN:
Category :
Languages : fr
Pages : 165
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Book Description
CE TRAVAIL CONCERNE LA CONCEPTION D'UNE TRANSMISSION DE LOCOMOTIVE EN MATERIAUX COMPOSITES AINSI QUE L'ETUDE DES LIAISONS BOULONNEES PERMETTANT D'INTEGRER CETTE STRUCTURE A SON ENVIRONNEMENT. L'OBJECTIF PRINCIPAL DE LA CONCEPTION EST D'OBTENIR, GRACE AUX PROPRIETES MECANIQUES SPECIFIQUES DES COMPOSITES, UNE PIECE SIMPLE CONDUISANT A UNE REDUCTION DES MASSES NON SUSPENDUES DANS LES BOGIES MOTEURS. LE MATERIAU, L'ORIENTATION DES FIBRES ET LA GEOMETRIE ONT ETE CHOISIS AFIN QUE CETTE PIECE PUISSE REMPLIR LES MEMES FONCTIONS QUE CELLES DE LA SOLUTION ACTUELLE. DES ESSAIS DE CARACTERISATION ONT PERMIS D'EVALUER LES PROPRIETES MECANIQUES DU MATERIAU, UN TISSU DE VERRE NOYE DANS UNE RESINE EPOXYDE. LE DETAIL DE LA GEOMETRIE A ETE OPTIMISE EN UTILISANT UN CODE DE CALCUL PAR ELEMENTS FINIS. LES DIFFERENTES RIGIDITES ET LES COEFFICIENTS DE SECURITE ONT ETE ESTIMES DANS LE CAS LE PLUS DEFAVORABLE. LES RESULTATS EN TERME DE RIGIDITES ONT ETE VALIDES PAR DIFFERENTS ESSAIS REALISES SUR UN PREMIER PROTOTYPE. LA SOLUTION POSSIBLE POUR FIXER LA TRANSMISSION A SON ENVIRONNEMENT EST UN ASSEMBLAGE BOULONNE. L'ETUDE DE CE TYPE DE LIAISON SUR PIECE EN MATERIAUX COMPOSITES A ETE ABORDEE. CETTE ETUDE EST BASEE SUR UNE FORTE COMPLEMENTARITE ENTRE ESSAIS ET CALCULS. DANS UN PREMIER TEMPS, UN TRAVAIL EXPERIMENTAL A PERMIS DE MIEUX COMPRENDRE LE COMPORTEMENT DES LIAISONS BOULONNEES SUR PIECES EN MATERIAUX COMPOSITES. CES ESSAIS ONT MIS EN AVANT LA FORTE INFLUENCE DE CERTAINS PARAMETRES, NOTAMMENT LE JEU, SUR LA FORCE A RUPTURE. DANS UN DEUXIEME TEMPS, UNE ETUDE NUMERIQUE VISANT A MODELISER LE COMPORTEMENT DES LIAISONS BOULONNEES AVEC JEU A ETE CONDUITE. L'OBJECTIF DE CETTE ETUDE ETAIT DE DEVELOPPER UN MODELE ELEMENTS FINIS PERMETTANT DE CALCULER LES CONTRAINTES AUTOUR DU TROU POUR ARRIVER A TERME A UN MODELE CAPABLE DE PREDIRE LA RESISTANCE DES LIAISONS SUR PIECES EN COMPOSITES. DIFFERENTS MOYENS DE VALIDATION ONT ETE MIS EN OEUVRE POUR S'ASSURER QUE LA REPARTITION DES DEFORMATIONS CORRESPONDE A LA REALITE. CE TRAVAIL A PERMIS DE MONTRER LA NECESSITE DE PRENDRE EN COMPTE LE CONTACT AVEC FROTTEMENT AINSI QUE LA NON-LINEARITE DE COMPORTEMENT DU COMPOSITE EN CISAILLEMENT. POUR FINIR, UNE ANALYSE DES CONTRAINTES CONDUIT A UNE BONNE EVALUATION DES EFFORTS A RUPTURE POUR DIFFERENTES VALEURS DU JEU.
Author: FRANCOIS.. CERISIER
Publisher:
ISBN:
Category :
Languages : fr
Pages : 165
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Book Description
CE TRAVAIL CONCERNE LA CONCEPTION D'UNE TRANSMISSION DE LOCOMOTIVE EN MATERIAUX COMPOSITES AINSI QUE L'ETUDE DES LIAISONS BOULONNEES PERMETTANT D'INTEGRER CETTE STRUCTURE A SON ENVIRONNEMENT. L'OBJECTIF PRINCIPAL DE LA CONCEPTION EST D'OBTENIR, GRACE AUX PROPRIETES MECANIQUES SPECIFIQUES DES COMPOSITES, UNE PIECE SIMPLE CONDUISANT A UNE REDUCTION DES MASSES NON SUSPENDUES DANS LES BOGIES MOTEURS. LE MATERIAU, L'ORIENTATION DES FIBRES ET LA GEOMETRIE ONT ETE CHOISIS AFIN QUE CETTE PIECE PUISSE REMPLIR LES MEMES FONCTIONS QUE CELLES DE LA SOLUTION ACTUELLE. DES ESSAIS DE CARACTERISATION ONT PERMIS D'EVALUER LES PROPRIETES MECANIQUES DU MATERIAU, UN TISSU DE VERRE NOYE DANS UNE RESINE EPOXYDE. LE DETAIL DE LA GEOMETRIE A ETE OPTIMISE EN UTILISANT UN CODE DE CALCUL PAR ELEMENTS FINIS. LES DIFFERENTES RIGIDITES ET LES COEFFICIENTS DE SECURITE ONT ETE ESTIMES DANS LE CAS LE PLUS DEFAVORABLE. LES RESULTATS EN TERME DE RIGIDITES ONT ETE VALIDES PAR DIFFERENTS ESSAIS REALISES SUR UN PREMIER PROTOTYPE. LA SOLUTION POSSIBLE POUR FIXER LA TRANSMISSION A SON ENVIRONNEMENT EST UN ASSEMBLAGE BOULONNE. L'ETUDE DE CE TYPE DE LIAISON SUR PIECE EN MATERIAUX COMPOSITES A ETE ABORDEE. CETTE ETUDE EST BASEE SUR UNE FORTE COMPLEMENTARITE ENTRE ESSAIS ET CALCULS. DANS UN PREMIER TEMPS, UN TRAVAIL EXPERIMENTAL A PERMIS DE MIEUX COMPRENDRE LE COMPORTEMENT DES LIAISONS BOULONNEES SUR PIECES EN MATERIAUX COMPOSITES. CES ESSAIS ONT MIS EN AVANT LA FORTE INFLUENCE DE CERTAINS PARAMETRES, NOTAMMENT LE JEU, SUR LA FORCE A RUPTURE. DANS UN DEUXIEME TEMPS, UNE ETUDE NUMERIQUE VISANT A MODELISER LE COMPORTEMENT DES LIAISONS BOULONNEES AVEC JEU A ETE CONDUITE. L'OBJECTIF DE CETTE ETUDE ETAIT DE DEVELOPPER UN MODELE ELEMENTS FINIS PERMETTANT DE CALCULER LES CONTRAINTES AUTOUR DU TROU POUR ARRIVER A TERME A UN MODELE CAPABLE DE PREDIRE LA RESISTANCE DES LIAISONS SUR PIECES EN COMPOSITES. DIFFERENTS MOYENS DE VALIDATION ONT ETE MIS EN OEUVRE POUR S'ASSURER QUE LA REPARTITION DES DEFORMATIONS CORRESPONDE A LA REALITE. CE TRAVAIL A PERMIS DE MONTRER LA NECESSITE DE PRENDRE EN COMPTE LE CONTACT AVEC FROTTEMENT AINSI QUE LA NON-LINEARITE DE COMPORTEMENT DU COMPOSITE EN CISAILLEMENT. POUR FINIR, UNE ANALYSE DES CONTRAINTES CONDUIT A UNE BONNE EVALUATION DES EFFORTS A RUPTURE POUR DIFFERENTES VALEURS DU JEU.
Author: H. Dardon
Publisher: CRC Press
ISBN: 1000443728
Category : Technology & Engineering
Languages : en
Pages : 493
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Book Description
The papers from these proceedings address experimental and analytical methods for the characterization and analysis of modern composite and adhesive systems. They have been produced to provide understanding that can be used to design safe, reliable engineering components.
Author: Jean-Michel Bergheau
Publisher: John Wiley & Sons
ISBN: 1118578805
Category : Mathematics
Languages : en
Pages : 364
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Book Description
The numerical simulation of manufacturing processes and of their mechanical consequences is of growing interest in industry. However, such simulations need the modeling of couplings between several physical phenomena such as heat transfer, material transformations and solid or fluid mechanics, as well as to be adapted to numerical methodologies. This book gathers a state of the art on how to simulate industrial processes, what data are needed and what numerical simulation can bring. Assembling processes such as welding and friction stir welding, material removal processes, elaboration processes of composite structures, sintering processes, surface-finishing techniques, and thermo-chemical treatments are investigated. This book is the work of a group of researchers who have been working together in this field for more than 12 years. It should prove useful for both those working in industry and those studying the numerical methods applied to multiphysics problems encountered in manufacturing processes.
Author: North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Structures and Materials Panel. Meeting
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 224
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Author: Leslie Rainer
Publisher: Getty Publications
ISBN: 1606060430
Category : Architecture
Languages : fr
Pages : 438
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Book Description
Earthen architecture constitutes one of the most diverse forms of cultural heritage and one of the most challenging to preserve. It dates from all periods and is found on all continents but is particularly prevalent in Africa, where it has been a building tradition for centuries. Sites range from ancestral cities in Mali to the palaces of Abomey in Benin, from monuments and mosques in Iran and Buddhist temples on the Silk Road to Spanish missions in California. This volume's sixty-four papers address such themes as earthen architecture in Mali, the conservation of living sites, local knowledge systems and intangible aspects, seismic and other natural forces, the conservation and management of archaeological sites, research advances, and training.
Author: Bo Song
Publisher: Springer
ISBN: 3319224522
Category : Technology & Engineering
Languages : en
Pages : 265
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Book Description
Dynamic Behavior of Materials, Volume 1 represents the first of nine volumes of technical papers presented at the Society for Experimental Mechanics SEM 15th International Congress & Exposition on Experimental and Applied Mechanics, held at Costa Mesa, California, June 8-11, 2015. The full set of proceedings also includes volumes on: Challenges in Mechanics of Time Dependent Materials, Advancement of Optical Methods in Experimental Mechanics, Experimental and Applied Mechanics 16th International Symposium on MEMS and Nanotechnology, 5th International Symposium on the Mechanics of Biological Systems and Materials, International Symposium on the Mechanics of Composite and Multi-functional Materials, Fracture, Fatigue, Failure and Damage Evolution; and Residual Stress, Thermomechanics & Infrared Imaging, Hybrid Techniques and Inverse Problems.
Author: George S. Springer
Publisher: CRC Press
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 222
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Author: Willem Willems
Publisher:
ISBN: 9789088903861
Category : Business & Economics
Languages : en
Pages : 434
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Book Description
Water is vital for life, and its availability has been a concern for mankind throughout the ages. Its presence has always been ascertained in a variety of ways and the development of human society everywhere is connected with various forms of water management. Man also needed to manage water to find protection from its dangers and the need for that is increasing. In the coming decades, the impact of climate change is expected to intensify floods and droughts, affect groundwater resources, raise sea levels, increase pollution and enhance the frequency and magnitude of disasters. Societies around the world are challenged to adapt to these threats to ensure water security, economic prosperity and environmental and cultural sustainability. This book deals with the heritage of water management and the use that was made of water, as well as the impact of water management on heritage. An example of the former may be an ancient irrigation system in the Filipines or in the Middle East that still functions today, while the latter may reflect the importance of maintaining groundwater levels for the preservation of organic remains on archaeological sites or of wooden piles underneath standing buildings. In either case the papers in this book reflect the dynamic nature of water, and hence the equally dynamic relation between water management and heritage. This publication follows up on a Heritage and Water conference in Amsterdam, the first of its kind. Its main purpose is to credibly present the importance and value of heritage and historical experience for water and sustainable development, and vice versa, present the importance of water management for the protection of heritage. It presents evolving insights and concepts about Water and about Heritage from a variety of disciplines, policy and public perspectives illustrated with cases studies and aims to connect decision makers with experts such as engineers, archaeologists, historians, geographers, ecologist and landscape architects
Author: Janine M. Benyus
Publisher: Harper Collins
ISBN: 0061958921
Category : Science
Languages : en
Pages : 324
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Book Description
Repackaged with a new afterword, this "valuable and entertaining" (New York Times Book Review) book explores how scientists are adapting nature's best ideas to solve tough 21st century problems. Biomimicry is rapidly transforming life on earth. Biomimics study nature's most successful ideas over the past 3.5 million years, and adapt them for human use. The results are revolutionizing how materials are invented and how we compute, heal ourselves, repair the environment, and feed the world. Janine Benyus takes readers into the lab and in the field with maverick thinkers as they: discover miracle drugs by watching what chimps eat when they're sick; learn how to create by watching spiders weave fibers; harness energy by examining how a leaf converts sunlight into fuel in trillionths of a second; and many more examples. Composed of stories of vision and invention, personalities and pipe dreams, Biomimicry is must reading for anyone interested in the shape of our future.
Author: Isaac M. Daniel
Publisher: ASTM International
ISBN: 9780803106956
Category : Technology & Engineering
Languages : en
Pages : 608
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