Buckling Behavior of Long Anisotropic Plates Subjected to Elastically Restrained Thermal Expansion and Contraction PDF Download
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Author: National Aeronaut Administration (Nasa)
Publisher: Independently Published
ISBN:
Category :
Languages : en
Pages : 72
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Book Description
An approach for synthesizing buckling results for thin balanced and unbalanced symmetric laminates that are subjected to uniform heating or cooling and elastically restrained against thermal expansion or contraction is presented. This approach uses a nondimensional analysis for infinitely long, flexural anisotropic plates that are subjected to combined mechanical loads. In addition, stiffness-weighted laminate thermal-expansion parameters and compliance coefficients are derived that are used to determine critical temperatures in terms of physically intuitive mechanical-buckling coefficients. Many results are presented for some common laminates that are intended to facilitate a structural designer s transition to the use of the generic buckling design curves. Several curves that illustrate the fundamental parameters used in the analysis are presented, for nine contemporary material systems, that provide physical insight into the buckling response in addition to providing useful design data. Examples are presented that demonstrate the use of the generic design curves. Nemeth, Michael P. Langley Research Center NASA/TP-2004-213512, L-19065 23-064-30-21
Author: National Aeronaut Administration (Nasa)
Publisher: Independently Published
ISBN:
Category :
Languages : en
Pages : 72
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Book Description
An approach for synthesizing buckling results for thin balanced and unbalanced symmetric laminates that are subjected to uniform heating or cooling and elastically restrained against thermal expansion or contraction is presented. This approach uses a nondimensional analysis for infinitely long, flexural anisotropic plates that are subjected to combined mechanical loads. In addition, stiffness-weighted laminate thermal-expansion parameters and compliance coefficients are derived that are used to determine critical temperatures in terms of physically intuitive mechanical-buckling coefficients. Many results are presented for some common laminates that are intended to facilitate a structural designer s transition to the use of the generic buckling design curves. Several curves that illustrate the fundamental parameters used in the analysis are presented, for nine contemporary material systems, that provide physical insight into the buckling response in addition to providing useful design data. Examples are presented that demonstrate the use of the generic design curves. Nemeth, Michael P. Langley Research Center NASA/TP-2004-213512, L-19065 23-064-30-21
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 724
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Book Description
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781720412397
Category :
Languages : en
Pages : 92
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Book Description
An approach for synthesizing buckling results and behavior for thin, balanced and unbalanced symmetric laminates that are subjected to uniform heating or cooling and which are fully-restrained against thermal expansion or contraction is presented. This approach uses a nondimensional analysis for infinitely long, flexurally anisotropic plates that are subjected to combined mechanical loads and is based on useful nondimensional parameters. In addition, stiffness-weighted laminate thermal-expansion parameters are derived and used to determine critical temperature changes in terms of physically intuitive mechanical buckling coefficients. The effects of membrane orthotropy and anisotropy are included. Many results are presented for some common laminates that are intended to facilitate a structural designer's transition to the use of the generic buckling design curves that are presented in the paper. Several generic buckling design curves are presented that provide physical insight into buckling response and provide useful design data. Examples are presented that demonstrate the use of generic design curves. The analysis approach and generic results indicate the effects and characteristics of laminate thermal expansion, membrane orthotropy and anisotropy, and flexural orthotropy and anisotropy in a very general, unifying manner.Nemeth, Michael P.Langley Research CenterANISOTROPIC PLATES; THERMAL EXPANSION; LAMINATES; DIMENSIONLESS NUMBERS; THERMAL BUCKLING; STRUCTURAL ANALYSIS; ANISOTROPY; STRESS ANALYSIS; SPACECRAFT DESIGN; CRITICAL TEMPERATURE; DIMENSIONAL ANALYSIS; PARAMETER IDENTIFICATION; MECHANICAL PROPERTIES; COOLING; LOADS (FORCES); STRUCTURAL DESIGN
Author: Michael P. Nemeth
Publisher:
ISBN:
Category : Anistrophy
Languages : en
Pages : 94
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Book Description
Author: David L. Bish
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 150150911X
Category : Science
Languages : en
Pages : 668
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Book Description
Volume 45 of Reviews in Mineralogy and Geochemistry is a new and expanded update of Volume 4 from 1977. Most of the material in this volume is entirely new, and Natural Zeolites: Occurrence, Properties, Applications presents a fresh and expanded look at many of the subjects contained in Volume 4. There has been an explosion in our knowledge of the crystal chemistry and structures of natural zeolites (Chapters 1 and 2), due in part to the now-common Rietveld method that allows treatment of powder diffraction data. Studies on the geochemistry of natural zeolites have also greatly increased, partly as a result of the interests related to the disposal of radioactive wastes, and Chapters 3, 4, 5, 13, and 14 detail the latest results in this important area. Until the latter part of the 20th century, zeolites were often looked upon as a geological curiosity, but they are now known to be widespread throughout the world in sedimentary and igneous deposits and in soils (Chapters 6-12). The application of natural zeolites has greatly expanded since the first zeolite volume. Chapter 15 details the use of natural zeolites for removal of ammonium ions, heavy metals, radioactive cations, and organic molecules from natural waters, wastewaters, and soils. Similarly, Chapter 16 describes the use of natural zeolites as building blocks and cements in the building industry, Chapter 17 outlines their use in solar energy storage, heating, and cooling applications, and Chapter 18 describes their use in a variety of agricultural applications, including as soil conditioners, slow-release fertilizers, soil-less substrates, carriers for insecticides and pesticides, and remediation agents in contaminated soils.
Author: Arthur W. Leissa
Publisher:
ISBN:
Category : Plates (Engineering)
Languages : en
Pages : 460
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Book Description
Author: William F. Hosford
Publisher: Cambridge University Press
ISBN: 0521195691
Category : Science
Languages : en
Pages : 437
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Book Description
This is a textbook on the mechanical behavior of materials for mechanical and materials engineering. It emphasizes quantitative problem solving. This new edition includes treatment of the effects of texture on properties and microstructure in Chapter 7, a new chapter (12) on discontinuous and inhomogeneous deformation, and treatment of foams in Chapter 21.
Author: Bhagwan D. Agarwal
Publisher: John Wiley & Sons
ISBN:
Category : Technology & Engineering
Languages : ja
Pages : 376
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Book Description
Author: Joachim Roesler
Publisher: Springer Science & Business Media
ISBN: 3540734481
Category : Science
Languages : en
Pages : 540
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Book Description
How do engineering materials deform when bearing mechanical loads? To answer this crucial question, the book bridges the gap between continuum mechanics and materials science. The different kinds of material deformation are explained in detail. The book also discusses the physical processes occurring during the deformation of all classes of engineering materials and shows how these materials can be strengthened to meet the design requirements. It provides the knowledge needed in selecting the appropriate engineering material for a certain design problem. This book is both a valuable textbook and a useful reference for graduate students and practising engineers.
Author: Warren Clarence Young
Publisher: McGraw-Hill Europe
ISBN: 9780071210591
Category : Electronic books
Languages : en
Pages : 852
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Book Description
The ultimate resource for designers, engineers, and analyst working with calculations of loads and stress.
