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The Stresses In A Cylindrical Shell Containing An Axial Crack
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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 Stresses in a Cylindrical Shell Containing an Axial Crack by : E. S. Folias
Download or read book The Stresses in a Cylindrical Shell Containing an Axial Crack written by E. S. Folias and published by . This book was released on 1964 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Stresses in a Cylindrical Shell Containing an Axial Crack by : Efthymios S. Folias
Download or read book The Stresses in a Cylindrical Shell Containing an Axial Crack written by Efthymios S. Folias and published by . This book was released on 1964 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plates and shells with cracks by : George C. Sih
Download or read book Plates and shells with cracks written by George C. Sih and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: This third volume of a series on Mechanies of Fraeture deals with eraeks in plates and shelIs. It was noted in Volume 2 on three-dimensional eraek problems that additional free surfaees can lead to substantial mathematical complexities, often making the analysis unmanageable. The theory of plates and shelIs forms a part of the theory of elasticity in which eertain physieal assumptions are made on the basis that the distanee between two bounded surfaees, either fiat or eurved, is small in eomparison with the overall dimen sions of the body. In modern times, the broad and frequent applieations of plate- and shell-like struetural members have aeted as a stimulus to whieh engineers and researchers in the field of fracture meehanies have responded with a wide variety of solutions of teehnieal importanee. These eontributions are covered in this book so that the reader may gain an understanding of how analytieal treat me nt s ofplates and shells containing initial imperfeetions in the form of eraeks are earried out. The development of plate and shell theories has involved long standing controversy on the eonsisteney of omitting eertain small terms and at the same time retaining others of the same order of magnitude. This defieieney depends on the ratio of the plate or shell thiekness, h, to other eharaeteristie dimensions and eannot be eompletely resolved in view of the approximations inherent in the transverse dependence of the extensional and bending stresses.
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 Application of the Line-spring Model to a Cylindrical Shell Containing a Circumferential Or Axial Part-through Crack by :
Download or read book Application of the Line-spring Model to a Cylindrical Shell Containing a Circumferential Or Axial Part-through Crack written by and published by . This book was released on 1981 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781725558199 Total Pages :36 pages Book Rating :4.5/5 (581 download)
Book Synopsis Application of the Line-Spring Model to a Cylindrical Shell Containing a Circumferential Or Axial Part-Through Crack by : National Aeronautics and Space Administration (NASA)
Download or read book Application of the Line-Spring Model to a Cylindrical Shell Containing a Circumferential Or Axial Part-Through Crack written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-14 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: An approximate solution was obtained for a cylindrical shell containing a part-through surface crack. It was assumed that the shell contains a circumferential or axial semi-elliptic internal or external surface crack and was subjected to a uniform membrane loading or a uniform bending moment away from the crack region. A Reissner type theory was used to account for the effects of the transverse shear deformations. The stress intensity factor at the deepest penetration point of the crack was tabulated for bending and membrane loading by varying three dimensionless length parameters of the problem formed from the shell radius, the shell thickness, the crack length, and the crack depth. The upper bounds of the stress intensity factors are provided by the results of the elasticity solution obtained from the axisymmetric crack problem for the circumferential crack, and that found from the plane strain problem for a circular ring having a radial crack for the axial crack. The line-spring model gives the expected results in comparison with the elasticity solutions. Results also compare well with the existing finite element solution of the pressurized cylinder containing an internal semi-elliptic surface crack. Delale, F. and Erdogan, F. Unspecified Center NASA-CR-164058 DOT-RC-82007; NSF CME-78-08737; NSF CME-78-08737; NGR-39-007-011; NGR-39-007-011...
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 The Influence of Curvature on Stress Intensity at the Tip of a Circumferential Crack in a Cylindrical Shell by : NJI Adams
Download or read book The Influence of Curvature on Stress Intensity at the Tip of a Circumferential Crack in a Cylindrical Shell written by NJI Adams and published by . This book was released on 1971 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The validity of a nondimensional curvature parameter, relating discontinuity size to shell radius and thickness, used to express the effect of curvature on stress intensification at a discontinuity in a cylindrical shell, has been substantiated within a limited range. Fatigue crack growth tests were conducted on flat and curved axially loaded specimens to examine the influence of curvature on stress intensity in cylindrical shells. Using crack growth rates, a curvature correction is obtained which can be used to apply a stress intensity analysis in flat sheets to cylinders. The influence of curvature on stress intensity is found to be similar to that of sheet buckling in flat sheets containing cracks.
Book Synopsis A Cylindrical Shell with an Arbitrarily Oriented Crack by :
Download or read book A Cylindrical Shell with an Arbitrarily Oriented Crack written by and published by . This book was released on 1982 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Elasticity Problem for a Thick-walled Cylinder Containing a Circumferential Crack by :
Download or read book The Elasticity Problem for a Thick-walled Cylinder Containing a Circumferential Crack written by and published by . This book was released on 1982 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cracked Shells Under Skew-symmetric Loading by :
Download or read book Cracked Shells Under Skew-symmetric Loading written by and published by . This book was released on 1982 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermal Shock and Thermal Fatigue Behavior of Advanced Ceramics by : Gerold A. Schneider
Download or read book Thermal Shock and Thermal Fatigue Behavior of Advanced Ceramics written by Gerold A. Schneider and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 575 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent developments in advanced ceramics are critically evaluated in respect to their thermal shock and thermal fatigue behavior from an interdisciplinary viewpoint by leading experts. The book covers the aspects of material development, mechanical and fracture mechanical models and experimental testing methods. Special emphasis is given to the influence of a rising crack resistance on the thermal shock behavior, novel irradiation testing methods for a quantitative characterization of the thermal shock and fatigue loading as well as detailed fracture mechanical models for single and multiple crack propagation. This book summarizes developments of the last decade concerning the thermal shock and thermal fatigue behavior of advanced ceramics. The scientific articles of the book were carefully arranged in order to achieve a textbook-like form which will be of great value to researchers and students. (ABSTRACT) This book summarizes developments of the last decade concerning the thermal shock and thermal fatigue behavior of advanced ceramics. The book covers the aspects of material development, mechanical and fracture mechanical models and testing methods. The scientific articles were carefully arranged in order to achieve a textbook-like form which will be of great value to researchers and students.
Book Synopsis The Crack Problem in a Specially Orthotropic Shell with Double Curvature by :
Download or read book The Crack Problem in a Specially Orthotropic Shell with Double Curvature written by and published by . This book was released on 1982 with total page 40 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 1973 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 1991 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
