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The Automated Analysis Of Moire Interferograms For Strain Analysis With Application To The J Integral Fracture Mechanics Parameter
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Book Synopsis The Automated Analysis of Moire Interferograms for Strain Analysis with Application to the J-integral Fracture Mechanics Parameter by : Margaret Caulfield (M.)
Download or read book The Automated Analysis of Moire Interferograms for Strain Analysis with Application to the J-integral Fracture Mechanics Parameter written by Margaret Caulfield (M.) and published by . This book was released on 1988 with total page 0 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 1994 with total page 836 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 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Metals Abstracts written by and published by . This book was released on 1998 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Path Dependence of the J-Integral and the Role of J as a Parameter Characterizing the Near-Tip Field by : RM. McMeeking
Download or read book Path Dependence of the J-Integral and the Role of J as a Parameter Characterizing the Near-Tip Field written by RM. McMeeking and published by . This book was released on 1977 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The J-integral has significant path dependence immediately adjacent to a blunted crack tip under small-scale yielding conditions in an elastic-plastic material subject to mode I loads and plane-strain conditions. Since the J-integral, evaluated on a contour remote from the crack tip, can be used as the one fracture-mechanics parameter required to represent the intensity of the load when small-scale yielding conditions exist, J retains its role as a parameter characterizing the crack-tip stress fields, at least for materials modelled by the von Mises flow theory. Some results obtained using both the finite-element method and the slip-line theory are suggestive of a situation in which an outer field parameterized by a path-independent value of J controls the deformation in an inner or crack-tip field in which J is path dependent. The outer field is basically the solution to the crack problem when large deformation effects involved in the blunting are ignored. Thus, the conventional small-strain approaches in which the crack-tip deformation is represented by a singularity have been successful in characterizing such features as the crack-tip opening displacement in terms of a value of the J-integral on a remote contour. An interesting deduction concerns a nonlinear elastic material with characteristics in monotonic stressing similar to an elastic-plastic material. Since J is path independent everywhere in such a material, the stress and strain fields near the crack tip in such a material must differ greatly from those arising in the elastic-plastic materials studied so far. This result is of significance because it is believed that such nonlinear elastic constitutive laws can represent the limited strain-path independence suggested by models for plastic flow of polycrystalline aggregates based on crystalline slip within grains.
Book Synopsis Use of Services for Family Planning and Infertility, United States, 1982 by : Gerry E. Hendershot
Download or read book Use of Services for Family Planning and Infertility, United States, 1982 written by Gerry E. Hendershot and published by . This book was released on 1988 with total page 982 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 1982 statistics on the use of family planning and infertility services presented in this report are preliminary results from Cycle III of the National Survey of Family Growth (NSFG), conducted by the National Center for Health Statistics. Data were collected through personal interviews with a multistage area probability sample of 7969 women aged 15-44. A detailed series of questions was asked to obtain relatively complete estimates of the extent and type of family planning services received. Statistics on family planning services are limited to women who were able to conceive 3 years before the interview date. Overall, 79% of currently mrried nonsterile women reported using some type of family planning service during the previous 3 years. There were no statistically significant differences between white (79%), black (75%) or Hispanic (77%) wives, or between the 2 income groups. The 1982 survey questions were more comprehensive than those of earlier cycles of the survey. The annual rate of visits for family planning services in 1982 was 1077 visits /1000 women. Teenagers had the highest annual visit rate (1581/1000) of any age group for all sources of family planning services combined. Visit rates declined sharply with age from 1447 at ages 15-24 to 479 at ages 35-44. Similar declines with age also were found in the visit rates for white and black women separately. Nevertheless, the annual visit rate for black women (1334/1000) was significantly higher than that for white women (1033). The highest overall visit rate was for black women 15-19 years of age (1867/1000). Nearly 2/3 of all family planning visits were to private medical sources. Teenagers of all races had higher family planning service visit rates to clinics than to private medical sources, as did black women age 15-24. White women age 20 and older had higher visit rates to private medical services than to clinics. Never married women had higher visit rates to clinics than currently or formerly married women. Data were also collected in 1982 on use of medical services for infertility by women who had difficulty in conceiving or carrying a pregnancy to term. About 1 million ever married women had 1 or more infertility visits in the 12 months before the interview. During the 3 years before interview, about 1.9 million women had infertility visits. For all ever married women, as well as for white and black women separately, infertility services were more likely to be secured from private medical sources than from clinics. The survey design, reliability of the estimates and the terms used are explained in the technical notes.
Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Oata Analysis and Synthesis (CINOAS) * at Purdue. University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 33 (thesis year 1988) a total of 13,273 theses titles from 23 Canadian and 1 85 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 33 reports theses submitted in 1988, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Book Synopsis Proceedings of the 9th International Conference on Experimental Mechanics by :
Download or read book Proceedings of the 9th International Conference on Experimental Mechanics written by and published by . This book was released on 1990 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Application of Moiré Interferometry in a Mixed Mode Fracture Mechanics Problem by : Jobi Triananda Hasjim
Download or read book An Application of Moiré Interferometry in a Mixed Mode Fracture Mechanics Problem written by Jobi Triananda Hasjim and published by . This book was released on 1994 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Strain and Stress Analysis by Holographic and Speckle Interferometry by : Valeriĭ Pavlovich Shchepinov
Download or read book Strain and Stress Analysis by Holographic and Speckle Interferometry written by Valeriĭ Pavlovich Shchepinov and published by . This book was released on 1996-05-27 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this unique book, Shchepinov and his colleagues introduce and discuss the development and application of the increasingly important technique; holographic and speckle interferometry employed in the investigation of structure and material deformation and fracture processes. The authors consider the main physical and metrological aspects of interferometry from the deformation analysis viewpoint, emphasizing the need for (and the difficulties in obtaining) high quality and accurate fringe patterns. The advantages and outstanding features of the techniques are discussed in the second part of the book and these are compared with conventional methods of experimental mechanics. The book is illustrated with numerous unique interferograms to demonstrate the various fringe patterns which must be quantitively interpreted to obtain strain and stress values with the required accuracy. All fringe patterns presented are primary sources of the corresponding displacement and strain distributions contained in the book. The results illustrate how holographic and speckle interferometry can be used for development in various scientific and applied subjects in the fields of solid and fracture mechanics. Written specifically for researchers and engineers specializing in the strength of structures and materials, this book will also serve to introduce students to the fundamentals of holographic and speckle interferometry and the way these methods can be applied in experimental mechanics.
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1997 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis J-Integral and HRR Field Associated with Stable Crack Growth in Thin Aluminum SEN Specimen by :
Download or read book J-Integral and HRR Field Associated with Stable Crack Growth in Thin Aluminum SEN Specimen written by and published by . This book was released on 1993 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: Moire interferometry with line densities of 1200 and 40 lines per mm was used to determine the two orthogonal displacements surrounding a stationary and a stably extending crack, respectively in two thin 2024-T3 aluminum alloy, single-edge notched specimens. The displacement fields were used to compute the J-integrals for various contours during crack tip blunting and subsequent crack extension. As expected, the near-and far-field J-integral value prior to stable crack growth coincided with the LEFM strain energy release rate, G, and validated the experimental procedure. The far field J values increased with increasing stable crack grow-Lh but the crack tip J values within the nonlinear region remained constant. The HRR displacement field, which was computed from the experimentally determined far field J, agreed with the measured displacement field prior to stable crack growth and progressively deviated from the measured values with stable crack extension ... Elastic-plastic fracture mechanics, Stable crack growth, J-integral, HRR field, J-Q theory, Moire interferometry, Experimental fracture mechanics.
Book Synopsis Advances in Displacement and Strain Analysis by Moiré Interferometry by : Eric M. Weissman
Download or read book Advances in Displacement and Strain Analysis by Moiré Interferometry written by Eric M. Weissman and published by . This book was released on 1982 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Application of Displacement and Traction Boundary Integral Equations for Fracture Mechanics Analysis by : Seungwon Youn
Download or read book Application of Displacement and Traction Boundary Integral Equations for Fracture Mechanics Analysis written by Seungwon Youn and published by . This book was released on 1993 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1988 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Metals Abstracts Index written by and published by . This book was released on 1995 with total page 1390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Insight written by and published by . This book was released on 1997 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt:
