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A Study Of Failure In Small Pressurized Cylindrical Shells Containing A Crack
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Book Synopsis A Study of Failure in Small Pressurized Cylindrical Shells Containing a Crack by : National Aeronautics and Space Adm Nasa
Download or read book A Study of Failure in Small Pressurized Cylindrical Shells Containing a Crack written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-10-22 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The deformation in the vicinity of axial cracks in thin pressurized cylinders is examined using small experimental The deformation in the vicinity of axial cracks in thin pressurized cylinders is examined using small experimental models. The loading applied was either symmetric or unsymmetric about the crack plane, the latter being caused by structural constraints such as stringers. The objective was two fold - one, to provide the experimental results which will allow computer modeling techniques to be evaluated for deformations that are significantly different from that experienced by flat plates, and the other to examine the deformations and conditions associated with the onset of crack kinking which often precedes crack curving. The stresses which control crack growth in a cylindrical geometry depend on conditions introduced by the axial bulging, which is an integral part of this type of failure. For the symmetric geometry, both the hoop and radial strain just ahead off the crack, r = a, were measured and these results compared with those obtained from a variety of structural analysis codes, in particular STAGS [1], ABAQUS and ANSYS. In addition to these measurements, the pressures at the onset of stable and unstable crack growth were obtained and the corresponding crack deformations measured as the pressures were increased to failure. For the unsymmetric cases, measurements were taken of the crack kinking angle, and the displacements in the vicinity of the crack. In general, the strains ahead of the crack showed good agreement between the three computer codes and between the codes and the experiments. In the case of crack behavior, it was determined that modeling stable tearing with a crack-tip opening displacement fracture criterion could be successfully combined with the finite-element analysis techniques as used in structural analysis codes. The analytic results obtained in this study were very compatible with the experimental observations of crack growth. Me...
Book Synopsis A STUDY OF FAILURE IN SMALL PRESSURIZED CYLINDRICAL SHELLS CONTAINING A CRACK FINAL REPORT... NASA/CR-1998-208454... DEC. 3, 1998 by : United States. National Aeronautics and Space Administration
Download or read book A STUDY OF FAILURE IN SMALL PRESSURIZED CYLINDRICAL SHELLS CONTAINING A CRACK FINAL REPORT... NASA/CR-1998-208454... DEC. 3, 1998 written by United States. National Aeronautics and Space Administration and published by . This book was released on 1999* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Failure in Small Pressurized Cylindrical Shells Containing a Crack by : Craig A. Barwell
Download or read book A Study of Failure in Small Pressurized Cylindrical Shells Containing a Crack written by Craig A. Barwell and published by . This book was released on 1998 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Surface and Through Cracks on Failure of Pressurized Thin-walled Cylinders of 2014-T6 Aluminum by : William S. Pierce
Download or read book Effects of Surface and Through Cracks on Failure of Pressurized Thin-walled Cylinders of 2014-T6 Aluminum written by William S. Pierce and published by . This book was released on 1970 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Crack Problem in a Reinforced Cylindrical Shell by :
Download or read book The Crack Problem in a Reinforced Cylindrical Shell written by and published by . This book was released on 1986 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA Langley Scientific and Technical Information Output: 1998 by :
Download or read book NASA Langley Scientific and Technical Information Output: 1998 written by and published by . This book was released on 1999 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 900 pages. Available in PDF, EPUB and Kindle. Book excerpt: NSA is a comprehensive collection of international nuclear science and technology literature for the period 1948 through 1976, pre-dating the prestigious INIS database, which began in 1970. NSA existed as a printed product (Volumes 1-33) initially, created by DOE's predecessor, the U.S. Atomic Energy Commission (AEC). NSA includes citations to scientific and technical reports from the AEC, the U.S. Energy Research and Development Administration and its contractors, plus other agencies and international organizations, universities, and industrial and research organizations. References to books, conference proceedings, papers, patents, dissertations, engineering drawings, and journal articles from worldwide sources are also included. Abstracts and full text are provided if available.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1999 with total page 1144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994-02 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781723744709 Total Pages :30 pages Book Rating :4.7/5 (447 download)
Book Synopsis Nonlinear Local Bending Response and Bulging Factors for Longitudinal and Circumferential Cracks in Pressurized Cylindrical Shells by : National Aeronautics and Space Adm Nasa
Download or read book Nonlinear Local Bending Response and Bulging Factors for Longitudinal and Circumferential Cracks in Pressurized Cylindrical Shells written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-16 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of a geometrically nonlinear finite element parametric study to determine curvature correction factors or bulging factors that account for increased stresses due to curvature for longitudinal and circumferential cracks in unstiffened pressurized cylindrical shells are presented. Geometric parameters varied in the study include the shell radius, the shell wall thickness, and the crack length. The major results are presented in the form of contour plots of the bulging factor as a function of two nondimensional parameters: the shell curvature parameter, lambda, which is a function of the shell geometry, Poisson's ratio, and the crack length; and a loading parameter, eta, which is a function of the shell geometry, material properties, and the applied internal pressure. These plots identify the ranges of the shell curvature and loading parameters for which the effects of geometric nonlinearity are significant. Simple empirical expressions for the bulging factor are then derived from the numerical results and shown to predict accurately the nonlinear response of shells with longitudinal and circumferential cracks. The numerical results are also compared with analytical solutions based on linear shallow shell theory for thin shells, and with some other semi-empirical solutions from the literature, and limitations on the use of these other expressions are suggested.Young, Richard D. and Rose, Cheryl A. and Starnes, James H., Jr.Langley Research CenterBENDING; CRACKS; CYLINDRICAL SHELLS; NONLINEARITY; BULGING; FINITE ELEMENT METHOD; INTERNAL PRESSURE; POISSON RATIO; CRACK PROPAGATION; SHALLOW SHELLS; SHELL THEORY; CURVATURE; FUSELAGES; STRAIN ENERGY RELEASE RATE; MODULUS OF ELASTICITY
Book Synopsis Modeling and Simulation Based Engineering by : Satya N. Atluri
Download or read book Modeling and Simulation Based Engineering written by Satya N. Atluri and published by . This book was released on 1998 with total page 1056 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1974 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Stresses in a Cylindrical Shell Containing an Axial Crack by : Efthymios C. FOLIAS
Download or read book The Stresses in a Cylindrical Shell Containing an Axial Crack written by Efthymios C. FOLIAS and published by . This book was released on 1964 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using an integral formulation the coupled Marguerre equations for a cracked cylindrical shell of length 2c are solved for the in-plane and Kirchhoff bending stresses, and, among other things, it is found that the explicit nature of the stresses near the crack point depends upon the inverse half power of the non-dimensional distance from the point epsilon. The character of the combined extension-bending stress field near the crack tip is investigated in detail for the special case of an axial crack in a long closed cylindrical shell which is subjected to uniform internal pressure q sub o. Pending a complete study of the solution, approximate results for the combined surface stresses near the crack tip normal and along the line of crack prolongation are given. (Author).
Book Synopsis The Response of Cylindrical Shells to External Blast Loading by : William J. Schuman (Jr.)
Download or read book The Response of Cylindrical Shells to External Blast Loading written by William J. Schuman (Jr.) and published by . This book was released on 1963 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration Scientific and Technical Information Division Publisher : ISBN 13 : Total Pages :1152 pages Book Rating :4.F/5 ( download)
Book Synopsis NASA Scientific and Technical Reports by : United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Download or read book NASA Scientific and Technical Reports written by United States. National Aeronautics and Space Administration Scientific and Technical Information Division and published by . This book was released on 1965 with total page 1152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book World Aluminum Abstracts written by and published by . This book was released on 1971 with total page 1242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
