Meccanica Delle Strutture A Guscio In Materiale Composito
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Meccanica Delle Strutture A Guscio In Materiale Composito
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Author : Francesco Tornabene
language : it
Publisher: Società Editrice Esculapio
Release Date : 2012
Meccanica Delle Strutture A Guscio In Materiale Composito written by Francesco Tornabene and has been published by Società Editrice Esculapio this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Technology & Engineering categories.
Il presente volume scaturisce dall’esperienza maturata nel corso di circa nove anni di studio e di ricerca sulle strutture a guscio e sul metodo di Quadratura Differenziale. Comprendono il periodo della tesi di laurea in “Scienza delle Costruzioni”, i tre anni del Dottorato di Ricerca in “Meccanica delle Strutture”, e alcuni anni di Assegni di Ricerca svolti dall’autore presso l’Alma Mater Studiorum – Università di Bologna. Il titolo, Meccanica delle Strutture a Guscio in Materiale Composito, illustra il tema trattato e la prospettiva seguita nella scrittura del volume. Il presente elaborato si pone come obiettivo quello di analizzare il comportamento statico e dinamico dei gusci moderatamente spessi in materiale composito attraverso l’applicazione del Metodo Generalizzato di Quadratura Differenziale (GDQ Method). Una particolare attenzione viene riservata oltre che ai compositi fibrosi e laminati anche ai “functionally graded materials” (FGMs). Essi risultano materiali non omogenei, caratterizzati da una variazione continua delle proprietà meccaniche lungo una particolare direzione. La soluzione numerica GDQ viene confrontata con i risultati presenti in letteratura e con quelli forniti e ricavati mediante l’utilizzo di diversi programmi di calcolo strutturale basati sul metodo agli elementi finiti (FEM).
Teoria Delle Strutture A Guscio In Materiale Composito
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Author : Francesco Tornabene
language : it
Publisher: Società Editrice Esculapio
Release Date : 2020-12-01
Teoria Delle Strutture A Guscio In Materiale Composito written by Francesco Tornabene and has been published by Società Editrice Esculapio this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-01 with Technology & Engineering categories.
Il presente manoscritto scaturisce dall’esperienza maturata nel corso di circa tredici anni di studio e di ricerca sulle strutture a guscio. Comprendono il periodo della tesi di laurea in “Scienza delle Costruzioni”, i tre anni del Dottorato di Ricerca in “Meccanica delle Strutture”, e alcuni anni di Assegni di Ricerca svolta dall’autore presso l’Alma Mater Studiorum - Università di Bologna. Il titolo, Teoria delle Strutture a Guscio in Materiale Composito, illustra il tema trattato e la prospettiva seguita nella scrittura del volume. Il presente elaborato, nato dall’interesse di approfondire temi in parte affronta nel corso di Scienza delle Costruzioni e nella redazione della tesi di Laurea e di Dottorato, si pone come obiettivo quello di analizzare il comportamento statico e dinamico dei gusci moderatamente spessi in materiale composito. Il libro si articola in cinque capitoli, nei quali viene fornita nel dettaglio la teoria relativa alla statica e alla dinamica degli elementi strutturali analizza e vengono presentati risultati per i diversi problemi. Una particolare attenzione viene riservata oltre che ai compositi fibrosi e laminati anche ai “functionally graded materials” (FGMs). Essi risultano materiali non omogenei, caratterizzati da una variazione continua delle proprietà meccaniche lungo una particolare direzione.
Strutture A Guscio In Materiale Composito
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Author : Francesco Tornabene
language : it
Publisher: Società Editrice Esculapio
Release Date : 2015-04-20
Strutture A Guscio In Materiale Composito written by Francesco Tornabene and has been published by Società Editrice Esculapio this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-20 with Technology & Engineering categories.
Il titolo, “Strutture a Doppia Curvatura in Materiale Composito. Geometria Differenziale e Teorie di Ordine Superiore”, illustra il tema trattato e la prospettiva seguita nella scrittura del presente lavoro. Lo scopo del manoscritto è analizzare il comportamento statico e dinamico dei gusci moderatamente spessi in materiale composito attraverso l’applicazione della tecnica di Quadratura Differenziale (DQ). L’opera è suddivisa in due volumi nei quali vengono illustrate nel dettaglio le principali teorie strutturali di ordine superiore per lo studio del comportamento meccanico delle strutture a doppia curvatura e vengono presentate varie applicazioni numeriche di statica e dinamica. In particolare, il primo volume è di carattere prevalentemente teorico, mentre nel secondo volume viene lasciato ampio spazio alla tecnica numerica della Quadratura Differenziale e alle sue applicazioni in campo strutturale. Il punto di partenza per esaminare le teorie strutturali di ordine superiore è costituito dalla cosiddetta Formulazione Unificata di Carrera (CUF), la quale permette di considerare e studiare una grande varietà di modelli cinematici in maniera unificata. Appartengono ad essi gli approcci Equivalent Single Layer (ESL) e Layer-Wise (LW). Particolare attenzione viene riservata inoltre ai materiali compositi a causa del crescente sviluppo cui si è assistito in questi ultimi anni in molti ambiti dell’ingegneria strutturale.
Mechanics Of Laminated Composite Doubly Curvel Shell Structures
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Author : Francesco Tornabene
language : en
Publisher: Società Editrice Esculapio
Release Date : 2014-03-01
Mechanics Of Laminated Composite Doubly Curvel Shell Structures written by Francesco Tornabene and has been published by Società Editrice Esculapio this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-01 with Technology & Engineering categories.
This manuscript comes from the experience gained over ten years of study and research on shell structures and on the Generalized Differential Quadrature method. The title, Mechanics of Laminated Composite Doubly-Curved Shell Structures, illustrates the theme followed in the present volume. The present study aims to analyze the static and dynamic behavior of moderately thick shells made of composite materials through the application of the Differential Quadrature (DQ) technique. A particular attention is paid, other than fibrous and laminated composites, also to “Functionally Graded Materials” (FGMs). They are non-homogeneous materials, characterized by a continuous variation of the mechanical properties through a particular direction. The GDQ numerical solution is compared, not only with literature results, but also with the ones supplied and obtained through the use of different structural codes based on the Finite Element Method (FEM). Furthermore, an advanced version of GDQ method is also presented. This methodology is termed Strong Formulation Finite Element Method (SFEM) because it employs the strong form of the differential system of equations at the master element level and the mapping technique, proper of FEM. The connectivity between two elements is enforced through compatibility conditions.
Mechanics Of Laminated Composite Doubly Curved Shell Structures
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Author : Francesco Tornabene
language : en
Publisher: Società Editrice Esculapio
Release Date : 2021-12-01
Mechanics Of Laminated Composite Doubly Curved Shell Structures written by Francesco Tornabene and has been published by Società Editrice Esculapio this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-01 with Technology & Engineering categories.
This manuscript comes from the experience gained over ten years of study and research on shell structures and on the Generalized Differential Quadrature method. The title, Mechanics of Laminated Composite Doubly-Curved Shell Structures, illustrates the theme followed in the present volume. The present study aims to analyze the static and dynamic behavior of moderately thick shells made of composite materials through the application of the Differential Quadrature (DQ) technique. A particular attention is paid, other than fibrous and laminated composites, also to “Functionally Graded Materials” (FGMs). They are non-homogeneous materials, characterized by a continuous variation of the mechanical properties through a particular direction. The GDQ numerical solution is compared, not only with literature results, but also with the ones supplied and obtained through the use of different structural codes based on the Finite Element Method (FEM). Furthermore, an advanced version of GDQ method is also presented. This methodology is termed Strong Formulation Finite Element Method (SFEM) because it employs the strong form of the differential system of equations at the master element level and the mapping technique, proper of FEM. The connectivity between two elements is enforced through compatibility conditions.
Theory Of Laminated Composite Doubly Curved Shell Structures
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Author : Francesco Tornabene
language : en
Publisher: Società Editrice Esculapio
Release Date : 2017-01-09
Theory Of Laminated Composite Doubly Curved Shell Structures written by Francesco Tornabene and has been published by Società Editrice Esculapio this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-09 with Technology & Engineering categories.
This manuscript comes from the experience gained over thirteen years of study and research on shell structures. The title, Theory of Laminated Composite Doubly-Curved Shell Structures, illustrates the theme followed in the present volume. The present study aims to analyze the static and dynamic behavior of moderately thick shells made of composite materials. A particular attention is paid, other than fibrous and laminated composites, also to “Functionally graded materials” (FGMs). They are non-homogeneous materials, characterized by a continuous varia on of the mechanical properties through a particular direction. In particular, the present manuscript was written as an attempt to show, in an easy way, the theoretical aspects of doubly-curved composite shell structures. Furthermore, it focuses only on the theoretical aspects related to laminated composite doubly-curved shell structures and represents a shortened version of the book entitled: Mechanics of Laminated Composite Doubly-Curved Shell Structures by the same authors, wherein also the numerical part has been presented. The present volume is aimed at Master degree and PhD students in structural and applied mechanics, as well as experts in these fields. The present volume is divided into six chapters, in which static and dynamic analyses of several structural elements are provided in detail. Furthermore, the results of the adopted numerical technique are presented for several problems such as different loading and boundary conditions.
Laminated Composite Doubly Curved Shell Structures
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Author : Francesco Tornabene
language : en
Publisher: Società Editrice Esculapio
Release Date : 2016-05-17
Laminated Composite Doubly Curved Shell Structures written by Francesco Tornabene and has been published by Società Editrice Esculapio this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-17 with Technology & Engineering categories.
The title, “Laminated Composite Doubly-Curved Shell Structures. Differential and Integral Quadrature. Strong Form Finite Elements” illustrates the theme treated and the prospective followed during the composition of the present work. The aim of this manuscript is to analyze the static and dynamic behavior of thick and moderately thick composite shells through the application of the Differential Quadrature (DQ) method. The book is divided into two volumes wherein the principal higher order structural theories are illustrated in detail and the mechanical behavior of doubly-curved structures are presented by several static and dynamic numerical applications. In particular, the first volume is mainly theoretical, whereas the second one is mainly related to the numerical DQ technique and its applications in the structural field. The numerical results reported in the present volume are compared to the one available in the literature, but also to the ones obtained through several codes based on the Finite Element Method (FEM). Furthermore, an advanced version of the DQ method, termed Strong Formulation Finite Element Method (SFEM), is presented. The SFEM solves the differential equations inside each element in the strong form and implements the mapping technique typical of the FEM.
Mathematical Methods In Interdisciplinary Sciences
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Author : Snehashish Chakraverty
language : en
Publisher: John Wiley & Sons
Release Date : 2020-07-15
Mathematical Methods In Interdisciplinary Sciences written by Snehashish Chakraverty and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-15 with Mathematics categories.
Brings mathematics to bear on your real-world, scientific problems Mathematical Methods in Interdisciplinary Sciences provides a practical and usable framework for bringing a mathematical approach to modelling real-life scientific and technological problems. The collection of chapters Dr. Snehashish Chakraverty has provided describe in detail how to bring mathematics, statistics, and computational methods to the fore to solve even the most stubborn problems involving the intersection of multiple fields of study. Graduate students, postgraduate students, researchers, and professors will all benefit significantly from the author's clear approach to applied mathematics. The book covers a wide range of interdisciplinary topics in which mathematics can be brought to bear on challenging problems requiring creative solutions. Subjects include: Structural static and vibration problems Heat conduction and diffusion problems Fluid dynamics problems The book also covers topics as diverse as soft computing and machine intelligence. It concludes with examinations of various fields of application, like infectious diseases, autonomous car and monotone inclusion problems.
Hygro Thermo Magneto Electro Elastic Theory Of Anisotropic Doubly Curved Shells
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Author : Francesco Tornabene
language : en
Publisher: Società Editrice Esculapio
Release Date : 2023-10-13
Hygro Thermo Magneto Electro Elastic Theory Of Anisotropic Doubly Curved Shells written by Francesco Tornabene and has been published by Società Editrice Esculapio this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-13 with Technology & Engineering categories.
This book aims to present in depth several Higher-order Shear Deformation Theories (HSDTs) by means of a unified approach for studying the Hygro-Thermo-Magneto-Electro- Elastic Theory of Anisotropic Doubly-Curved Shells. In particular, a general coupled multifield theory regarding anisotropic shell structures is provided. The three-dimensional multifield problem is reduced in a two-dimensional one following the principles of the Equivalent Single Layer (ESL) approach and the Equivalent Layer-Wise (ELW) approach, setting a proper configuration model. According to the adopted configuration assumptions, several Higher-order Shear Deformation Theories (HSDTs) are obtained. Furthermore, the strong and weak formulations of the corresponding governing equations are discussed and illustrated. The approach presented in this volume is completely general and represents a valid tool to investigate the physical behavior of many arbitrarily shaped structures. An isogeometric mapping procedure is also illustrated to this aim. Special attention is given also to advanced and innovative constituents, such as Carbon Nanotubes (CNTs), Variable Angle Tow (VAT) composites and Functionally Graded Materials (FGMs). In addition, several numerical applications are used to support the theoretical models. Accurate, efficient and reliable numerical techniques able to approximate both derivatives and integrals are considered, which are respectively the Differential Quadrature (DQ) and Integral Quadrature (IQ) methods. The Theory of Composite Thin Shells is derived in a simple and intuitive manner from the theory of thick and moderately thick shells (First-order Shear Deformation Theory or Reissner- Mindlin Theory). In particular, the Kirchhoff-Love Theory and the Membrane Theory for composite shells are shown. Furthermore, the Theory of Composite Arches and Beams is also exposed. In particular, the equations of the Timoshenko Theory and the Euler-Bernoulli Theory are directly deducted from the equations of singly-curved shells of translation and of plates.
Generalized Differential And Integral Quadrature
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Author : Francesco Tornabene
language : en
Publisher: Società Editrice Esculapio
Release Date : 2023-10-17
Generalized Differential And Integral Quadrature written by Francesco Tornabene and has been published by Società Editrice Esculapio this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-17 with Technology & Engineering categories.
The main aim of this book is to analyze the mathematical fundamentals and the main features of the Generalized Differential Quadrature (GDQ) and Generalized Integral Quadrature (GIQ) techniques. Furthermore, another interesting aim of the present book is to shown that from the two numerical techniques mentioned above it is possible to derive two different approaches such as the Strong and Weak Finite Element Methods (SFEM and WFEM), that will be used to solve various structural problems and arbitrarily shaped structures. A general approach to the Differential Quadrature is proposed. The weighting coefficients for different basis functions and grid distributions are determined. Furthermore, the expressions of the principal approximating polynomials and grid distributions, available in the literature, are shown. Besides the classic orthogonal polynomials, a new class of basis functions, which depend on the radial distance between the discretization points, is presented. They are known as Radial Basis Functions (or RBFs). The general expressions for the derivative evaluation can be utilized in the local form to reduce the computational cost. From this concept the Local Generalized Differential Quadrature (LGDQ) method is derived. The Generalized Integral Quadrature (GIQ) technique can be used employing several basis functions, without any restriction on the point distributions for the given definition domain. To better underline these concepts some classical numerical integration schemes are reported, such as the trapezoidal rule or the Simpson method. An alternative approach based on Taylor series is also illustrated to approximate integrals. This technique is named as Generalized Taylor-based Integral Quadrature (GTIQ) method. The major structural theories for the analysis of the mechanical behavior of various structures are presented in depth in the book. In particular, the strong and weak formulations of the corresponding governing equations are discussed and illustrated. Generally speaking, two formulations of the same system of governing equations can be developed, which are respectively the strong and weak (or variational) formulations. Once the governing equations that rule a generic structural problem are obtained, together with the corresponding boundary conditions, a differential system is written. In particular, the Strong Formulation (SF) of the governing equations is obtained. The differentiability requirement, instead, is reduced through a weighted integral statement if the corresponding Weak Formulation (WF) of the governing equations is developed. Thus, an equivalent integral formulation is derived, starting directly from the previous one. In particular, the formulation in hand is obtained by introducing a Lagrangian approximation of the degrees of freedom of the problem. The need of studying arbitrarily shaped domains or characterized by mechanical and geometrical discontinuities leads to the development of new numerical approaches that divide the structure in finite elements. Then, the strong form or the weak form of the fundamental equations are solved inside each element. The fundamental aspects of this technique, which the author defined respectively Strong Formulation Finite Element Method (SFEM) and Weak Formulation Finite Element Method (WFEM), are presented in the book.