Etude Experimentale Et Numerique Dimpacts Sur Structures

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Etude expérimentale et numérique de l'interaction sol-structure lors de l'occurence d'un fontis

Author : Matthieu Caudron
Publisher :
ISBN 13 :
Total Pages : 335 pages
Book Rating : 4.:/5 (493 download)

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Book Synopsis Etude expérimentale et numérique de l'interaction sol-structure lors de l'occurence d'un fontis by : Matthieu Caudron

Download or read book Etude expérimentale et numérique de l'interaction sol-structure lors de l'occurence d'un fontis written by Matthieu Caudron and published by . This book was released on 2007 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les affaissements de terrain de grande ampleur résultent de l'effondrement de cavités souterraines issues de l'activité industrielle humaine ou formées naturellement par la circulation d'eau. Leur impact sur le bâti en surface est généralement important comme l'attestent les exemples récents des affaissements d'Auboué (1996) et de Roncourt (1999) qui ont endommagé plus de cinq cents bâtiments et ouvrages ou le fontis sur le chantier METEOR en 2003. Il est donc nécessaire de prévoir les mouvements du sol de surface (tassements et déformation horizontale) résultants et de déterminer l'influence que peut avoir la présence d'une structure en surface sur la forme et l'amplitude de ces mouvements. Cette thèse s'articule autour de la thématique suivante : évaluation des risques urbains liés aux mouvements de sol dus à la présence de cavités souterraines et interaction avec le bâti. La première partie porte sur la conception d'un modèle réduit physique permettant de représenter un effondrement de cavité (fontis). Elle apporte une contribution innovante à la conception de modèles réduits physiques 1g par la mise au point d'un matériau analogique cohérent, dérivé du matériau de Schneebeli. Des essais sont menés pour caractériser l'influence de l'interaction sol-structure lors d'un tel phénomène. Ensuite un modèle numérique est développé, permettant l'emploi conjoint de deux codes de calcul basés sur une approche en milieu continu et sur la mécanique des éléments distincts . Les résultats sont comparés avec ceux du modèle expérimental. La dernière étape est une confrontation de cet outil dans un essai de rétroanalyse d'un fontis réel survenu dans le massif de l'Hautil en 1991.

Etude expérimentale et numérique du comportement au décollement des structures sandwichs sous sollicitations statiques

Author : Rémi Grappein
Publisher :
ISBN 13 :
Total Pages : 422 pages
Book Rating : 4.:/5 (8 download)

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Book Synopsis Etude expérimentale et numérique du comportement au décollement des structures sandwichs sous sollicitations statiques by : Rémi Grappein

Download or read book Etude expérimentale et numérique du comportement au décollement des structures sandwichs sous sollicitations statiques written by Rémi Grappein and published by . This book was released on 1998 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Composite Materials

Author : Jean-Marie Berthelot
Publisher : Springer
ISBN 13 : 9781461268031
Total Pages : 0 pages
Book Rating : 4.2/5 (68 download)

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Book Synopsis Composite Materials by : Jean-Marie Berthelot

Download or read book Composite Materials written by Jean-Marie Berthelot and published by Springer. This book was released on 2013-02-06 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanical engineering, an engineering discipline borne of the needs of the in dustrial revolution, is once again asked to do its substantial share in the call for industrial renewal. The general call is urgent as we face profound issues of produc tivity and competitiveness that require engineering solutions, among others. The Mechanical Engineering Series features graduate texts and research monographs intended to address the need for information in contemporary areas of mechanical engineering. The series is conceived as a comprehensive one that covers a broad range of concentrations important to mechanical engineering graduate education and re search. We are fortunate to have a distinguished roster of consulting editors on the advisory board, each an expert in one of the areas of concentration. The names of the consulting editors are listed on the next page of this volume. The areas of concentration are applied mechanics, biomechanics, computational mechan ics, dynamic systems and control, energetics, mechanics of materials, processing, thermal science, and tribology.

Government Reports Announcements & Index

Author :
Publisher :
ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Government Reports Announcements & Index by :

Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1991-05 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Journal of Fluids Engineering

Author :
Publisher :
ISBN 13 :
Total Pages : 888 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Journal of Fluids Engineering by :

Download or read book Journal of Fluids Engineering written by and published by . This book was released on 1998 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt:

State of the World's Children

Author : UNICEF.
Publisher : UNICEF
ISBN 13 : 9280644424
Total Pages : 100 pages
Book Rating : 4.2/5 (86 download)

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Book Synopsis State of the World's Children by : UNICEF.

Download or read book State of the World's Children written by UNICEF. and published by UNICEF. This book was released on 2009 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: On 20 November 2009, the global community celebrates the 20th anniversary of the adoption by the United Nations General Assembly of the Convention on the Rights of the Child, the unique document that sets international standards for the care, treatment and protection of all individuals below age 18. To celebrate this landmark, the United Nations Children's Fund is dedicating a special edition of its flagship report The State of the World's Children to examining the Convention's evolution, progress achieved on child rights, challenges remaining, and actions to be taken to ensure that its promise becomes a reality for all children.

Computational Fluid Dynamics

Author : Patrick J. Roache
Publisher :
ISBN 13 :
Total Pages : 938 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Computational Fluid Dynamics by : Patrick J. Roache

Download or read book Computational Fluid Dynamics written by Patrick J. Roache and published by . This book was released on 1976 with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government reports annual index

Author :
Publisher :
ISBN 13 :
Total Pages : 1014 pages
Book Rating : 4.3/5 (129 download)

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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 199? with total page 1014 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nonsmooth Optimization

Author : Claude Lemarechal
Publisher : Elsevier
ISBN 13 : 1483188760
Total Pages : 195 pages
Book Rating : 4.4/5 (831 download)

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Book Synopsis Nonsmooth Optimization by : Claude Lemarechal

Download or read book Nonsmooth Optimization written by Claude Lemarechal and published by Elsevier. This book was released on 2014-05-19 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonsmooth Optimization contains the proceedings of a workshop on non-smooth optimization (NSO) held from March 28 to April 8,1977 in Austria under the auspices of the International Institute for Applied Systems Analysis. The papers explore the techniques and theory of NSO and cover topics ranging from systems of inequalities to smooth approximation of non-smooth functions, as well as quadratic programming and line searches. Comprised of nine chapters, this volume begins with a survey of Soviet research on subgradient optimization carried out since 1962, followed by a discussion on rates of convergence in subgradient optimization. The reader is then introduced to the method of subgradient optimization in an abstract setting and the minimal hypotheses required to ensure convergence; NSO and nonlinear programming; and bundle methods in NSO. A feasible descent algorithm for linearly constrained least squares problems is described. The book also considers sufficient minimization of piecewise-linear univariate functions before concluding with a description of the method of parametric decomposition in mathematical programming. This monograph will be of interest to mathematicians and mathematics students.

Numerical Methods for Nonsmooth Dynamical Systems

Author : Vincent Acary
Publisher : Springer Science & Business Media
ISBN 13 : 3540753923
Total Pages : 529 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Numerical Methods for Nonsmooth Dynamical Systems by : Vincent Acary

Download or read book Numerical Methods for Nonsmooth Dynamical Systems written by Vincent Acary and published by Springer Science & Business Media. This book was released on 2008-01-30 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book concerns the numerical simulation of dynamical systems whose trajec- ries may not be differentiable everywhere. They are named nonsmooth dynamical systems. They make an important class of systems, rst because of the many app- cations in which nonsmooth models are useful, secondly because they give rise to new problems in various elds of science. Usually nonsmooth dynamical systems are represented as differential inclusions, complementarity systems, evolution va- ational inequalities, each of these classes itself being split into several subclasses. The book is divided into four parts, the rst three parts being sketched in Fig. 0. 1. The aim of the rst part is to present the main tools from mechanics and applied mathematics which are necessary to understand how nonsmooth dynamical systems may be numerically simulated in a reliable way. Many examples illustrate the th- retical results, and an emphasis is put on mechanical systems, as well as on electrical circuits (the so-called Filippov’s systems are also examined in some detail, due to their importance in control applications). The second and third parts are dedicated to a detailed presentation of the numerical schemes. A fourth part is devoted to the presentation of the software platform Siconos. This book is not a textbook on - merical analysis of nonsmooth systems, in the sense that despite the main results of numerical analysis (convergence, order of consistency, etc. ) being presented, their proofs are not provided.

Getting Acquainted in Conversation

Author : Jan Svennevig
Publisher : John Benjamins Publishing
ISBN 13 : 9027299056
Total Pages : 398 pages
Book Rating : 4.0/5 (272 download)

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Book Synopsis Getting Acquainted in Conversation by : Jan Svennevig

Download or read book Getting Acquainted in Conversation written by Jan Svennevig and published by John Benjamins Publishing. This book was released on 2000-02-15 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: What makes a ‘getting acquainted’ a recognizable conversational activity, and how are interpersonal relationships established in a first conversation? This book presents a theoretical framework for the study of relationship management in conversation and an empirical study of a corpus of initial interactions. It provides detailed descriptions of the sequential resources unacquainted interlocutors use in order to: – generate self-presentation – introduce topics – establish common contextual resources It is argued that these sequential patterns embody conventionalized procedures for establishing an interpersonal relationship involving some degree of: – solidarity (mutual rights and obligations) – familiarity (mutual knowledge of personal background) – mutual affect (emotional commitment) The sequential analysis is based on a conversation analytic approach, while the interpretive framework consists of pragmatic theories of politeness, conversational style and common ground.

Dynamic Behavior of Materials, Volume 1

Author : Bo Song
Publisher : Springer
ISBN 13 : 3319224522
Total Pages : 265 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Dynamic Behavior of Materials, Volume 1 by : Bo Song

Download or read book Dynamic Behavior of Materials, Volume 1 written by Bo Song and published by Springer. This book was released on 2015-10-23 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Encyclopedia of Continuum Mechanics

Author : Holm Altenbach
Publisher : Springer
ISBN 13 : 9783662557709
Total Pages : 0 pages
Book Rating : 4.5/5 (577 download)

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Book Synopsis Encyclopedia of Continuum Mechanics by : Holm Altenbach

Download or read book Encyclopedia of Continuum Mechanics written by Holm Altenbach and published by Springer. This book was released on 2020-01-04 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Encyclopedia covers the entire science of continuum mechanics including the mechanics of materials and fluids. The encyclopedia comprises mathematical definitions for continuum mechanical modeling, fundamental physical concepts, mechanical modeling methodology, numerical approaches and many fundamental applications. The modelling and analytical techniques are powerful tools in mechanical civil and areospsace engineering, plus in related fields of plasticity, viscoelasticity and rheology. Tensor-based and reference-frame-independent, continuum mechanics has recently found applications in geophysics and materials.

Advanced Composite Materials and Structures

Author : Mohamed Thariq Hameed Sultan
Publisher : CRC Press
ISBN 13 : 1000634833
Total Pages : 339 pages
Book Rating : 4.0/5 (6 download)

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Book Synopsis Advanced Composite Materials and Structures by : Mohamed Thariq Hameed Sultan

Download or read book Advanced Composite Materials and Structures written by Mohamed Thariq Hameed Sultan and published by CRC Press. This book was released on 2022-08-31 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book bridges the gap between theoretical concepts and their implementations, especially for the high-performance structures/components related to advanced composite materials. This work focuses on the prediction of various structural responses such as deformations, natural frequencies etc. of advanced composites under complex environments and/or loading conditions. In addition, it discusses micro-mechanical material modeling of various advanced composite materials that involve different structures ranging from basic to advanced, such as beams, flat and curved panels, shells, skewed, corrugated, and other materials, as well as various solution techniques via analytical, semi-analytical, and numerical approaches. This book: Covers micro-mechanical material modeling of advanced composite materials Describes constitutive models of different composite materials and kinematic models of different structural configuration Discusses pertinent analytical, semi-analytical, and numerical techniques Focusses on structural responses relating to deformations, natural frequencies, and critical loads under complex environments Presents actual demonstrations of theoretical concepts as applied to real examples using Ansys APDL scripts This book is aimed at researchers, professionals, and graduate students in mechanical engineering, material science, material engineering, structural engineering, aerospace engineering, and composite materials.

Applied High-Speed Plate Penetration Dynamics

Author : Gabi Ben-Dor
Publisher : Springer Science & Business Media
ISBN 13 : 1402042396
Total Pages : 368 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Applied High-Speed Plate Penetration Dynamics by : Gabi Ben-Dor

Download or read book Applied High-Speed Plate Penetration Dynamics written by Gabi Ben-Dor and published by Springer Science & Business Media. This book was released on 2006-02-22 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-speed impact dynamics is of interest in the fundamental sciences, e.g., astrophysics and space sciences, and has a number of important applications in military technologies, homeland security and engineering. When compared with experiments or numerical simulations, analytical approaches in impact mechanics only seldom yield useful results. However, when successful, analytical approaches allow us to determine general laws that are not only important in themselves but also serve as benchmarks for subsequent numerical simulations and experiments. The main goal of this monograph is to demonstrate the potential and effectiveness of analytical methods in applied high-speed penetration mechanics for two classes of problem. The first class of problem is shape optimization of impactors penetrating into ductile, concrete and some composite media. The second class of problem comprises investigation of ballistic properties and optimization of multi-layered shields, including spaced and two-component ceramic shields. Despite the massive use of mathematical techniques, the obtained results have a clear engineering meaning and are presented in an easy-to-use form. One of the chapters is devoted solely to some common approximate models, and this is the first time that a comprehensive description of the localized impactor/medium interaction approach is given. In the monograph the authors present systematically their theoretical results in the field of high-speed impact dynamics obtained during the last decade which only partially appeared in scientific journals and conferences proceedings.

Computational Contact Mechanics

Author : Peter Wriggers
Publisher : Springer Science & Business Media
ISBN 13 : 3211772987
Total Pages : 252 pages
Book Rating : 4.2/5 (117 download)

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Book Synopsis Computational Contact Mechanics by : Peter Wriggers

Download or read book Computational Contact Mechanics written by Peter Wriggers and published by Springer Science & Business Media. This book was released on 2008-04-01 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Topics of this book span the range from spatial and temporal discretization techniques for contact and impact problems with small and finite deformations over investigations on the reliability of micromechanical contact models over emerging techniques for rolling contact mechanics to homogenization methods and multi-scale approaches in contact problems.

Nonsmooth Mechanics and Analysis

Author : Pierre Alart
Publisher : Springer Science & Business Media
ISBN 13 : 0387291954
Total Pages : 318 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Nonsmooth Mechanics and Analysis by : Pierre Alart

Download or read book Nonsmooth Mechanics and Analysis written by Pierre Alart and published by Springer Science & Business Media. This book was released on 2006-06-26 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book’s title, Nonsmooth Mechanics and Analysis, refers to a major domain of mechanics, particularly those initiated by the works of Jean Jacques Moreau. Nonsmooth mechanics concerns mechanical situations with possible nondifferentiable relationships, eventually discontinuous, as unilateral contact, dry friction, collisions, plasticity, damage, and phase transition. The basis of the approach consists in dealing with such problems without resorting to any regularization process. Indeed, the nonsmoothness is due to simplified mechanical modeling; a more sophisticated model would require too large a number of variables, and sometimes the mechanical information is not available via experimental investigations. Therefore, the mathematical formulation becomes nonsmooth; regularizing would only be a trick of arithmetic without any physical justification. Nonsmooth analysis was developed, especially in Montpellier, to provide specific theoretical and numerical tools to deal with nonsmoothness. It is important not only in mechanics but also in physics, robotics, and economics. Audience This book is intended for researchers in mathematics and mechanics.