Contribution A La Modelisation Multiphysique Des Materiaux Composites Stratifie

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Contribution à la modélisation multiphysique des matériaux composites stratifié

Author : Huu Kien Bui
Publisher :
ISBN 13 :
Total Pages : 117 pages
Book Rating : 4.:/5 (124 download)

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Book Synopsis Contribution à la modélisation multiphysique des matériaux composites stratifié by : Huu Kien Bui

Download or read book Contribution à la modélisation multiphysique des matériaux composites stratifié written by Huu Kien Bui and published by . This book was released on 2014 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: Grâce à leurs excellentes performances mécaniques, l'intérêt des composites à fibres de carbone n'a pas cessé de croître ces dernières décennies. Cependant, le développement à grande échelle de ces matériaux passe par une amélioration des procédés utilisés pendant les différentes étapes du cycle de vie (élaboration, formage, assemblage, contrôle, recyclage). À différents stades du cycle de vie du matériau, les méthodes de Contrôle Non Destructif (CND) permettent de caractériser l'état d'intégrité du matériau. Elles jouent un rôle indispensable dans le contrôle de la qualité et dans la gestion des risques. Le CND par thermographie inductive, basé sur les mesures de l'effet thermique des courants de Foucault dans le matériau, est une technique prometteuse pour ce type de matériau. Le développement de cette méthode et la conception de dispositifs nécessitent un outil de simulation multiphysique électromagnétique et thermique. Le développement d'un tel modèle se heurte aux problématiques de l'évaluation des courants induits dans des régions minces et fortement anisotropes. Les outils de simulation développés durant cette thèse permettent d'avoir des temps de calcul raisonnables tout en conservant des précisions acceptables sur les solutions numériques. Ces outils ont été validés par des comparaisons avec des essais expérimentaux et permettent ainsi d'évaluer précisément les performances de cette technique de CND.

Modelling of High Velocity Impact on Composite Materials for Airframe Structures Application

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

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Book Synopsis Modelling of High Velocity Impact on Composite Materials for Airframe Structures Application by : Louis Gauthier

Download or read book Modelling of High Velocity Impact on Composite Materials for Airframe Structures Application written by Louis Gauthier and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Modélisation 3D simplifiée pour l'évaluation non destructive des matériaux composites anisotropes

Author : Hocine Menana
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.:/5 (758 download)

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Book Synopsis Modélisation 3D simplifiée pour l'évaluation non destructive des matériaux composites anisotropes by : Hocine Menana

Download or read book Modélisation 3D simplifiée pour l'évaluation non destructive des matériaux composites anisotropes written by Hocine Menana and published by . This book was released on 2009 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le travail présenté dans cette thèse constitue une contribution à la modélisation numérique tridimensionnelle simplifiée, de l’interaction d’un champ électromagnétique avec une structure en matériau composite stratifié à fibres de carbone (CFRPs), avec comme principale application l’évaluation non destructive par courants de Foucault. Dans un premier temps, et dans les limites où les effets capacitifs peuvent être négligés, nous avons développé un modèle basé sur une formulation intégro-différentielle, en potentiel vecteur électrique, pour des calculs rapides de la réponse d’un capteur à courants de Foucault et des courants induits dans les CFRPs. Ce modèle tient compte naturellement des conservations du courant électrique et du flux magnétique, et permet de limiter le domaine d’étude aux parties actives du système modélisé. Ces dernières sont discrétisées séparément ; les aspects multi-échelles et les mouvements sont donc traités plus facilement. D’autre part, compte tenu des structures en couches minces des CFRPs, et sous certaines conditions, ce modèle se réduit à un cas quasi-bidimensionnel n’impliquant que la composante normale du potentiel vecteur électrique, réduisant ainsi considérablement la taille du système à résoudre et le temps de calcul. Dans un second temps, nous avons proposé une approche de caractérisation du tenseur de conductivité des CFRPs, en introduisant une structure de capteur à courant de Foucault tournant de forme rectangulaire. Nous avons développé un modèle analytique liant directement les composantes du tenseur de conductivité d’un pli en CFRP aux impédances du capteur rectangulaire tournant, correspondant à ses positions parallèle et transversale aux fibres. Cette approche a été validée expérimentalement.

CONTRIBUTION A LA MODELISATION DU COMPORTEMENT MECANIQUE DESCOMPOSITES STRATIFIES

Author : ERIC.. LE DANTEC
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis CONTRIBUTION A LA MODELISATION DU COMPORTEMENT MECANIQUE DESCOMPOSITES STRATIFIES by : ERIC.. LE DANTEC

Download or read book CONTRIBUTION A LA MODELISATION DU COMPORTEMENT MECANIQUE DESCOMPOSITES STRATIFIES written by ERIC.. LE DANTEC and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: CE TRAVAIL CONCERNE LA MODELISATION DU COMPORTEMENT MECANIQUE DES MATERIAUX COMPOSITES STRATIFIES A FIBRES LONGUES DE CARBONE HAUTE RESISTANCE. LE MODELE THEORIQUE DE COMPORTEMENT EST CONSTRUIT A L'ECHELLE DU PLI ELEMENTAIRE. IL TIENT COMPTE DE LA MICROFISSURATION TRANSVERSE DE LA MATRICD ET LA DECOHESION FIBRE-MATRICE, DE LA PLASTICITE DE LA MATRICE, DU COMPORTEMENT DIFFERENT EN TRACTION ET EN COMPRESSION DANS LA DIRECTION DES FIBRES. LE PLI ELEMENTAIRE EST SUPPOSE HOMOGENE ORTHOTROPE ELASTO-PLASTIQUE ENDOMMAGEABLE. NOTRE MODELE EST FONDE SUR LA MECANIQUE DE L'ENDOMMAGEMENT QUI DECRIT LES PHENOMENES DE DEGRADATION AU NIVEAU DE LA MECANIQUE DES MILIEUX CONTINUS PAR UN CHANGEMENT DES PROPRIETES DU MATERIAU. LA PERTE DE RIGIDITE EST ICI CHOISIE COMME INDICATEUR D'ENDOMMAGEMENT. UNE APPROCHE MULTICRITERE DE LA RUPTURE, QUI REND COMPTE DES DIFFERENTS MODES DE RUPTURE DU PLI EST PROPOSEE. LE COMPORTEMENT DU STRATIFIE EST OBTENU PAR LA THEORIE CLASSIQUE DES STRATIFIES. UNE STRATEGIE EXPERIMENTALE, QUI NE NECESSITE PAS QUE DES ESSAIS DE TRACTION OU COMPRESSION, EST DEFINIE POUR IDENTIFIER LE MODELE. ELLE EST APPUYEE PAR UNE METHODOLOGIE D'ESSAIS QUI INTEGRE DIFFERENTS CRITERES DE VALIDATION. L'IDENTIFICATION ET LA VERIFICATION DU MODELE PORTENT SUR DEUX MATERIAUX (T300/914, IM6/914)

Contribution À la Modélisation Multi-échelle Des Matériaux Composites

Author : Adjovi Abueno Kanika C-M. Koutsawa-Tchalla
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (931 download)

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Book Synopsis Contribution À la Modélisation Multi-échelle Des Matériaux Composites by : Adjovi Abueno Kanika C-M. Koutsawa-Tchalla

Download or read book Contribution À la Modélisation Multi-échelle Des Matériaux Composites written by Adjovi Abueno Kanika C-M. Koutsawa-Tchalla and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: We propose in this thesis several approaches for improving the multiscale modeling and simulation of composites' behavior. Accurate and reliable modeling of the mechanical response of composite materials remains a major challenge. The objective of this work is to develop simplified methodologies based on existing homogenization techniques (numerical and analytical) for efficient prediction of nonlinear behavior of these materials. First choice has been focused on the Mean-field homogenization methods to study the elasto-plastic behavior and ductile damage phenomena in composites. Although restrictive, these techniques remain the best in terms of computational cost and efficiency. Two methods were investigated for this purpose: the Incremental Scheme Micromechanics (IMS) in One-site modeling and the Mori-Tanaka model in multi-site modeling (MTMS). In the framework of elastoplasticity, we have shown and validated by finite element method that the IMS homogenization results are more accurate, when dealing with high volume fraction composites, than the Mori-Tanaka model, frequently used in the literature. Furthermore, we have extended the Mori-Tanaka's model (MT) generally formulated in One-site to the multi-site formulation for the study of elasto-plastic behavior of composites with ordered microstructure. This approach shows that the multi-site formulation produces consistent results with respect to finite element and experimental solutions. In the continuation of our research, the Lemaître-Chaboche ductile damage model has been included to the study of elasto-plastic behavior in composite through the IMS homogenization. This latest investigation demonstrates the capability of the IMS model to capture damage effects in the material. However, the issue on the loss of ellipticity was not addressed. Finally we develop a numerical homogenization tool based on computational homogenization. This novel numerical tool works with 2D and 3D structure and is fully integrated in the conventional finite element code ABAQUS through its subroutine UMAT. The (FE2) method offers the advantage of being extremely accurate and allows the handling of more complex physics and geometrical nonlinearities. Linear and non-linear cases were studied. In addition, its combination with ABAQUS allows the use of major resources provided by this software (a panel of toolbox for various mechanical, thermomechanical and electrical analysis) for the study of multi-physics problems. This work was validated in the linear case on a two-scale analysis in bending and compared to the multi-scale method ANM (Nezamabadi et al. (2009)). Extensive work will be needed later with applications on non-linear problems to highlight the value of the developed tool.

Composite Reinforcements for Optimum Performance

Author : Philippe Boisse
Publisher : Woodhead Publishing
ISBN 13 : 0128190116
Total Pages : 730 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Composite Reinforcements for Optimum Performance by : Philippe Boisse

Download or read book Composite Reinforcements for Optimum Performance written by Philippe Boisse and published by Woodhead Publishing. This book was released on 2020-10-22 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt: Composite Reinforcements for Optimum Performance, Second Edition, has been brought fully up to date with the latest developments in the field. It reviews the materials, properties and modelling techniques used in composite production and highlights their uses in optimizing performance. Part I covers materials for reinforcements in composites, including chapters on fibers, carbon nanotubes and ceramics as reinforcement materials. In Part II, different types of structures for reinforcements are discussed, with chapters covering woven and braided reinforcements, three-dimensional fibre structures and two methods of modelling the geometry of textile reinforcements: WiseTex and TexGen. Part III focuses on the properties of composite reinforcements, with chapters on topics such as in-plane shear properties, transverse compression, bending and permeability properties. Finally, Part IV covers the characterization and modelling of reinforcements in composites, with chapters focusing on microscopic and mesoscopic approaches, X-ray tomography analysis and modelling reinforcement forming processes. With its distinguished editor and international team of contributors, Composite Reinforcements for Optimum Performance, Second Edition, is an essential reference for designers and engineers working in the composite and composite reinforcement manufacturing industry, as well as all those with an academic research interest in the subject. Discusses the characterization and modeling of reinforcements in composites, focusing on such topics as microscopic and mesoscopic approaches, X-ray tomography analysis, and modeling reinforcement forming processes Provides comprehensive coverage of the types and properties of reinforcement in composites, along with their production and performance optimization Includes sections on NCF (non-crimp fabrics), natural fiber reinforcements, tufting composite reinforcements, sustainability, multiscale modeling, knitted reinforcements, and more

Modeling and Practice of Erosion and Sediment Transport under Change

Author : Mohamed Meddi
Publisher : MDPI
ISBN 13 : 3039214314
Total Pages : 212 pages
Book Rating : 4.0/5 (392 download)

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Book Synopsis Modeling and Practice of Erosion and Sediment Transport under Change by : Mohamed Meddi

Download or read book Modeling and Practice of Erosion and Sediment Transport under Change written by Mohamed Meddi and published by MDPI. This book was released on 2019-09-17 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: Climate and anthropogenic changes impact the conditions of erosion and sediment transport in rivers. Rainfall variability and, in many places, the increase of rainfall intensity have a direct impact on rainfall erosivity. Increasing changes in demography have led to the acceleration of land cover changes in natural areas, as well as in cultivated areas, and, sometimes, in degraded areas and desertified landscapes. These anthropogenized landscapes are more sensitive to erosion. On the other hand, the increase in the number of dams in watersheds traps a great portion of sediment fluxes, which do not reach the sea in the same amount, nor at the same quality, with consequences on coastal geomorphodynamics. This book is dedicated to studies on sediment fluxes from continental areas to coastal areas, as well as observation, modeling, and impact analysis at different scales from watershed slopes to the outputs of large river basins. This book is concentrated on a number of keywords: “erosion” and “sediment transport”, “model” and “practice”, and “change”. The keywords are briefly discussed with respect to the relevant literature. The contributions in this book address observations and models based on laboratory and field data, allowing researchers to make use of such resources in practice under changing conditions.

Computational Mesomechanics of Composites

Author : Leon L. Mishnaevsky, Jr
Publisher : John Wiley & Sons
ISBN 13 : 9780470513187
Total Pages : 294 pages
Book Rating : 4.5/5 (131 download)

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Book Synopsis Computational Mesomechanics of Composites by : Leon L. Mishnaevsky, Jr

Download or read book Computational Mesomechanics of Composites written by Leon L. Mishnaevsky, Jr and published by John Wiley & Sons. This book was released on 2007-08-20 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mechanical properties of composite materials can be improved by tailoring their microstructures. Optimal microstructures of composites, which ensure desired properties of composite materials, can be determined in computational experiments. The subject of this book is the computational analysis of interrelations between mechanical properties (e.g., strength, damage resistance stiffness) and microstructures of composites. The methods of mesomechanics of composites are reviewed, and applied to the modelling of the mechanical behaviour of different groups of composites. Individual chapters are devoted to the computational analysis of the microstructure- mechanical properties relationships of particle reinforced composites, functionally graded and particle clusters reinforced composites, interpenetrating phase and unidirectional fiber reinforced composites, and machining tools materials.

ICREEC 2019

Author : Ahmed Belasri
Publisher : Springer Nature
ISBN 13 : 9811554447
Total Pages : 659 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis ICREEC 2019 by : Ahmed Belasri

Download or read book ICREEC 2019 written by Ahmed Belasri and published by Springer Nature. This book was released on 2020-06-10 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.

Multiphysics Modelling and Simulation for Systems Design and Monitoring

Author : Mohamed Haddar
Publisher : Springer
ISBN 13 : 9783319384252
Total Pages : 0 pages
Book Rating : 4.3/5 (842 download)

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Book Synopsis Multiphysics Modelling and Simulation for Systems Design and Monitoring by : Mohamed Haddar

Download or read book Multiphysics Modelling and Simulation for Systems Design and Monitoring written by Mohamed Haddar and published by Springer. This book was released on 2016-10-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reports on the state of the art in the field of multiphysics systems. It consists of accurately reviewed contributions to the MMSSD’2014 conference, which was held from December 17 to 19, 2004 in Hammamet, Tunisia. The different chapters, covering new theories, methods and a number of case studies, provide readers with an up-to-date picture of multiphysics modeling and simulation. They highlight the role played by high-performance computing and newly available software in promoting the study of multiphysics coupling effects, and show how these technologies can be practically implemented to bring about significant improvements in the field of design, control and monitoring of machines. In addition to providing a detailed description of the methods and their applications, the book also identifies new research issues, challenges and opportunities, thus providing researchers and practitioners with both technical information to support their daily work and a new source of inspiration for their future research.

Smart Applications and Data Analysis

Author : Mohamed Hamlich
Publisher : Springer Nature
ISBN 13 : 3030451836
Total Pages : 366 pages
Book Rating : 4.0/5 (34 download)

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Book Synopsis Smart Applications and Data Analysis by : Mohamed Hamlich

Download or read book Smart Applications and Data Analysis written by Mohamed Hamlich and published by Springer Nature. This book was released on 2020-06-04 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume constitutes refereed proceedings of the Third International Conference on Smart Applications and Data Analysis, SADASC 2020, held in Marrakesh, Morocco. Due to the COVID-19 pandemic the conference has been postponed to June 2020. The 24 full papers and 3 short papers presented were thoroughly reviewed and selected from 44 submissions. The papers are organized according to the following topics: ontologies and meta modeling; cyber physical systems and block-chains; recommender systems; machine learning based applications; combinatorial optimization; simulations and deep learning.

Satellite Situation Report

Author :
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Satellite Situation Report by :

Download or read book Satellite Situation Report written by and published by . This book was released on 1978-06-30 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Design and Modeling of Mechanical Systems

Author : Mohamed Haddar
Publisher : Springer Science & Business Media
ISBN 13 : 3642371434
Total Pages : 653 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Design and Modeling of Mechanical Systems by : Mohamed Haddar

Download or read book Design and Modeling of Mechanical Systems written by Mohamed Haddar and published by Springer Science & Business Media. This book was released on 2013-03-12 with total page 653 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 5th International Congress on Design and Modeling of Mechanical Systems (CMSM) was held in Djerba, Tunisia on March 25-27, 2013 and followed four previous successful editions, which brought together international experts in the fields of design and modeling of mechanical systems, thus contributing to the exchange of information and skills and leading to a considerable progress in research among the participating teams. The fifth edition of the congress (CMSM ́2013), organized by the Unit of Mechanics, Modeling and Manufacturing (U2MP) of the National School of Engineers of Sfax, Tunisia, the Mechanical Engineering Laboratory (MBL) of the National School of Engineers of Monastir, Tunisia and the Mechanics Laboratory of Sousse (LMS) of the National School of Engineers of Sousse, Tunisia, saw a significant increase of the international participation. This edition brought together nearly 300 attendees who exposed their work on the following topics: mechatronics and robotics, dynamics of mechanical systems, fluid structure interaction and vibroacoustics, modeling and analysis of materials and structures, design and manufacturing of mechanical systems. This book is the proceedings of CMSM ́2013 and contains a careful selection of high quality contributions, which were exposed during various sessions of the congress. The original articles presented here provide an overview of recent research advancements accomplished in the field mechanical engineering.

Bone Quantitative Ultrasound

Author : Pascal Laugier
Publisher : Springer Nature
ISBN 13 : 303091979X
Total Pages : 428 pages
Book Rating : 4.0/5 (39 download)

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Book Synopsis Bone Quantitative Ultrasound by : Pascal Laugier

Download or read book Bone Quantitative Ultrasound written by Pascal Laugier and published by Springer Nature. This book was released on 2022-05-05 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many significant achievements in new ultrasound technologies to measure bone and models to elucidate the interaction and the propagation of ultrasonic waves in complex bone structures have been reported over the past ten years. Impaired bone remodeling affects not only the trabecular compartment but also the cortical one. Despite the crucial contribution of the cortical structure to the whole bone mechanical competence, cortical bone was understudied for a long time. A paradigm shift occurred around 2010, with a special focus placed on the importance of cortical bone. This has sparkled a great deal of interest in new ultrasound techniques to assess cortical bone. While our book ‘Bone Quantitative Ultrasound’ published in 2011 emphasized techniques to measure trabecular bone, this new book is devoted for a large part to the technologies introduced recently to measure cortical bone. These include resonant ultrasound spectroscopy, guided waves, scattering, and pulse-echo and tomography imaging techniques. Instrumentation, signal processing techniques and models used are detailed. Importantly, the data accumulated in recent years such as anisotropic stiffness, elastic engineering moduli, compression and shear wave speeds of cortical bones from various skeletal sites are presented comprehensively. A few chapters deal with the recent developments achieved in quantitative ultrasound of trabecular bone. These include (i) scattering-based approaches and their application to measure skeletal sites such as the spine and proximal femur and (ii) approaches exploiting the poro-elastic nature of bone. While bone fragility and osteoporosis are still the main motivation for developing bone QUS, this Book also includes chapters reporting ultrasound techniques developed for other applications of high interest such as 3-D imaging of the spine, assessment of implant stability and transcranial brain imaging. This book, together with the book ‘Bone Quantitative Ultrasound’ published in 2011 will provide a comprehensive overview of the methods and principles used in bone quantitative ultrasound and will be a benchmark for all novice or experienced researchers in the field. The book will offer recent experimental results and theoretical concepts developed so far and would be intended for researchers, graduate or undergraduate students, engineers, and clinicians who are involved in the field. The book should be considered as a complement to the first book publisher in 2011, rather than a second edition, in the sense that basic notions already presented in the first book are not repeated.

Acoustic Waves in Periodic Structures, Metamaterials, and Porous Media

Author : Noé Jiménez
Publisher :
ISBN 13 : 9783030843014
Total Pages : 0 pages
Book Rating : 4.8/5 (43 download)

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Book Synopsis Acoustic Waves in Periodic Structures, Metamaterials, and Porous Media by : Noé Jiménez

Download or read book Acoustic Waves in Periodic Structures, Metamaterials, and Porous Media written by Noé Jiménez and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book delivers a comprehensive and up-to-date treatment of practical applications of metamaterials, structured media, and conventional porous materials. With increasing levels of urbanization, a growing demand for motorized transport, and inefficient urban planning, environmental noise exposure is rapidly becoming a pressing societal and health concern. Phononic and sonic crystals, acoustic metamaterials, and metasurfaces can revolutionize noise and vibration control and, in many cases, replace traditional porous materials for these applications. In this collection of contributed chapters, a group of international researchers reviews the essentials of acoustic wave propagation in metamaterials and porous absorbers with viscothermal losses, as well as the most recent advances in the design of acoustic metamaterial absorbers. The book features a detailed theoretical introduction describing commonly used modelling techniques such as plane wave expansion, multiple scattering theory, and the transfer matrix method. The following chapters give a detailed consideration of acoustic wave propagation in viscothermal fluids and porous media, and the extension of this theory to non-local models for fluid saturated metamaterials, along with a description of the relevant numerical methods. Finally, the book reviews a range of practical industrial applications, making it especially attractive as a white book targeted at the building, automotive, and aeronautic industries.

3D Printing of Concrete

Author : Arnaud Perrot
Publisher : John Wiley & Sons
ISBN 13 : 1786303418
Total Pages : 176 pages
Book Rating : 4.7/5 (863 download)

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Book Synopsis 3D Printing of Concrete by : Arnaud Perrot

Download or read book 3D Printing of Concrete written by Arnaud Perrot and published by John Wiley & Sons. This book was released on 2019-04-30 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: The introduction of digital manufacturing techniques, such as 3D printing applied to concrete material, opens up new perspectives on the way in which buildings are designed. Research on this theme is thriving and there is a high rate of innovation related to concrete. At the same time, the first life-size constructions made from printed concrete are emerging from the ground. This book presents state-of-the-art knowledge on the different printing processes as well as on the concrete material that must adapt to these new manufacturing techniques, such as new hardware and new printers for concrete. The possibilities in terms of architectural design are discussed as well as the pathways that remain to be uncovered. The book also explores the challenges that researchers and companies expect to overcome as they get closer to democratizing this potential revolution that is the digital manufacturing of concrete.

Thermal Quadrupoles

Author : Denis Maillet
Publisher :
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Thermal Quadrupoles by : Denis Maillet

Download or read book Thermal Quadrupoles written by Denis Maillet and published by . This book was released on 2000-11-17 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: This superb text describes a novel and powerful method for allowing design engineers to firstly model a linear problem in heat conduction, then build a solution in an explicit form and finally obtain a numerical solution. It constitutes a modelling and calculation tool based on a very efficient and systemic methodological approach. Solving the heat equations through integral transforms does not constitute a new subject. However, finding a solution generally constitutes only one part of the problem. In design problems, an initial thermal design has to be tested through the calculation of the temperature or flux field, followed by an analysis of this field in terms of constraints. A modified design is then proposed, followed by a new thermal field calculation, and so on until the right design is found. The thermal quadrupole method allows this often painful iterative procedure to be removed by allowing only one calculation. The chapters in this book increase in complexity from a rapid presentation of the method for one dimensional transient problems in chapter one, to non uniform boundary conditions or inhomogeneous media in chapter six. In addition, a wide range of corrected problems of contemporary interest are presented mainly in chapters three and six with their numerical implementation in MATLAB (r) language. This book covers the whole scope of linear problems and presents a wide range of concrete issues of contemporary interest such as harmonic excitations of buildings, transfer in composite media, thermal contact resistance and moving material heat transfer. Extensions of this method to coupled transfers in a semi-transparent medium and to mass transfer in porous media are considered respectively in chapters seven and eight. Chapter nine is devoted to practical numerical methods that can be used to inverse the Laplace transform. Written from an engineering perspective, with applications to real engineering problems, this book will be of significant interest not only to researchers, lecturers and graduate students in mechanical engineering (thermodynamics) and process engineers needing to model a heat transfer problem to obtain optimized operating conditions, but also to researchers interested in the simulation or design of experiments where heat transfer play a significant role.