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The Behavior of Sandwich Structures of Isotropic and Composite Materials de Jack R. Vinson

The Behavior of Sandwich Structures of Isotropic and Composite Materials

Autor Jack R. Vinson
en Limba Engleză Hardback – 31 mar 1999
The Behavior of Sandwich Structures of Isotropic and Composite Materials presents the mathematics, descriptions, and analytical techniques in the growing field of sandwich structures. From a background in sandwich structures to thermoelastic problems of sandwich structures and sandwich shell theory, the book provides the knowledge needed to analyze, design, and optimize various sandwich structures.

As one would expect from a book on sandwich structures, this volume discusses special failure modes such as face wrinkling and core shear instability. Coverage includes not only honeycomb cores, but also foam, web, and truss cores. An important topic in composite structure design, optimization is explored in two chapters on sandwich plates and sandwich shells. The author presents the optimization techniques in closed form and the methods are applicable to material selection and geometric design. The book also contains a set of problems and references at the end of each chapter. This text is ideal for engineers-in-training, as well as practical engineers who desire a comprehensive understanding of sandwich structures technology.
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Specificații

ISBN-13: 9781566766999
ISBN-10: 1566766990
Pagini: 394
Ilustrații: Illustrations
Dimensiuni: 152 x 229 x 28 mm
Greutate: 0.7 kg
Ediția:1
Editura: CRC Press
Colecția CRC Press

Public țintă

Professional

Cuprins

SANDWICH STRUCTURES: ORIGINS, ADVANTAGES, AND USES Description of Various Sandwich ConstructionsAdvantages of Sandwich Construction over Construction Monocoque Thin Walled ConstructionOrigins of Sandwich ConstructionUses of Sandwich ConstructionPresent Approach to AnalysisProblemsReferencesANISTROPIC ELASTICITY AND COMPOSITE LAMINATE THEORYIntroductionDerivation of the Anisotropic Elastic Stiffness and Compliance MatricesThe Physical Meaning of the Components of the Orthotropic Elasticity TensorMethods to Obtain Composite Elastic Properties from Fiber and Matrix PropertiesThermal and Hygrothermal ConsiderationsTime-Temperature Effects on Composite MaterialsHigh Strain Rate Effects on Material PropertiesLaminae of Composite MaterialsLaminate Analysis[A], [B], and [D] Stiffness Matrices for a Mid-Plane Symmetric Sandwich StructurePiezoelectric EffectsProblemsReferencesDERIVATION OF THE GOVERNING EQUATIONS FOR SANDWICH PLATES (PANELS)IntroductionPlate Equilibrium EquationsThe Bending of Composite Material Laminated and/or Sandwich Plates: Classical Theory Classical Plate Theory Boundary ConditionsAnalysis of Composite Materials Laminated and/or Sandwich Panels Including Transverse Shear Deformation EffectsBoundary Conditions for a Plate Using the Refined Plate TheoryLaminated or Sandwich Plate on an Elastic FoundationLaminated or Sandwich Plates Subjected to Dynamic LoadsProblems ReferencesBEAMS, COLUMNS, AND RODS OF COMPOSITE MATERIALS Development of Classical Beam TheorySome Simplified Sandwich-Beam SolutionsEigenvalue Problems of Sandwich Beams: Natural Vibrations and Elastic StabilityOther ConsiderationsProblemsReferencesENERGY METHODS FOR SANDWICH STRUCTURESIntroductionTheorem of Minimum Potential EnergyAnalysis of a Beam in Bending Using the Theorem of Minimum Potential EnergyRe

Recenzii

"Most composite textbooks focus on basic laminate theory. This is an important subject, but it will only get you so far. At some point, you will need to move beyond simple point stress analysis and start looking at complex structures.
One of Jack Vinson's earlier books, The Behavior of Structures Composed of Composite Materials, has long been on my list of essential references. It starts with a brief review of lamination theory, then gets right into the analysis of beams, plates, and shells. It is a graduate level textbook, but could be targeted to advanced seniors.
The Behavior of Sandwich Structures picks up where The Behavior of Structures leaves off. It essentially covers the same types of structures, but at a more advanced level. It also covers some new subject areas like structural optimization.
Any sandwich structure, whether it has isotropic or anisitropic facesheets, can be treated as a composite. Traditional composite theories can be used, with the important addition of transverse shear effects.
Governing differential equations are given for beams, plates, and shells. Several solution methods are outlined, including both direct solutions and energy methods. Solutions for some specific geometries and boundary conditions are worked out in full, but most are left as an excercise (this is a textbook, after all). Governing equations and solutions cover static and dynamic loads, thermal and moisture effects, and eigenvalues (natural frequencies and stability).
As one would expect from a book on sandwich structures, special failure modes such as face wrinkling and core shear instability are discussed. Core materials aren't limited to honeycomb, but also include foam-cores, web-cores, and truss-cores.
One of the more important topics in composite structure design is optimization, and Dr. Vinson provides two chapters on the subject: one for sandwich plates; and one for sandwich shells. The optimization techniques are all closed form, so you won't see much on layup optimization, but the methods are applicable to material selection and geometric design. After working through some optimization solutions, some general design guidelines become apparent.
Aside from the primary technical content, Sandwich Structures contains a list of homework problems (again, it's meant to be a textbook) and references at the end of each chapter. Many of the references are to other works by Dr. Vinson, but that just shows he is the right person to author this book.
If you've read any of my earlier reviews, you know that I'm quite picky when it comes to typography and grammar. In that sense, this book was a pleasant change: I found only a few typos in equations, and even fewer obvious grammatical errors. … the binding is of good quality.
Even if you aren't designing sandwich structures, you will still find this book useful. Because sandwiches are treated like composites, the theories and solutions can be applied to monocoque structures. And if you are designing sandwich structures, then this book will make your job a lot easier."
-About.com book review

Descriere

From a background in sandwich structures to thermoelastic problems of sandwich structures and sandwich shell theory, this book provides the knowledge needed to analyze, design, and optimize various sandwich structures. It covers special failure modes, such as face wrinkling and core shear instability, as well as honeycomb, foam, web, and truss cores. Optimization is explored in two chapters on sandwich plates and sandwich shells. The author presents the optimization techniques in closed form and the methods are applicable to material selection and geometric design. The book also contains a set of problems and references at the end of each chapter.