Three-dimensional Analysis of Surface Crack-Hertzian Stress Field Interaction PDF Download
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Author: R. Ballarini
Publisher:
ISBN:
Category : Bearings (Machinery)
Languages : en
Pages : 190
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Book Description
Author: R. Ballarini
Publisher:
ISBN:
Category : Bearings (Machinery)
Languages : en
Pages : 190
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781723458934
Category :
Languages : en
Pages : 168
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Book Description
The results are presented of a stress intensity factor analysis of semicircular surface cracks in the inner raceway of an engine bearing. The loading consists of a moving spherical Hertzian contact load and an axial stress due to rotation and shrink fit. A 3-D linear elastic Boundary Element Method code was developed to perform the stress analysis. The element library includes linear and quadratic isoparametric surface elements. Singular quarter point elements were employed to capture the square root displacement variation and the inverse square root stress singularity along the crack front. The program also possesses the capability to separate the whole domain into two subregions. This procedure enables one to solve nonsymmetric fracture mechanics problems without having to separate the crack surfaces a priori. A wide range of configuration parameters was investigated. The ratio of crack depth to bearing thickness was varied from one-sixtieth to one-fifth for several different locations of the Hertzian load. The stress intensity factors for several crack inclinations were also investigated. The results demonstrate the efficiency and accuracy of the Boundary Element Method. Moreover, the results can provide the basis for crack growth calculations and fatigue life prediction. Ballarini, R. and Hsu, Y. Unspecified Center BEARINGS; BOUNDARY ELEMENT METHOD; STRESS DISTRIBUTION; STRESS INTENSITY FACTORS; SURFACE CRACKS; AXIAL STRESS; COMPUTER PROGRAMS; CONTACT LOADS; CRACK PROPAGATION; FATIGUE LIFE; FRACTURE MECHANICS; LOAD TESTS...
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 704
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Author: Wade H. Shafer
Publisher: Springer Science & Business Media
ISBN: 1461534747
Category : Science
Languages : en
Pages : 421
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Book Description
Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * 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 34 (thesis year 1989) a total of 13,377 theses titles from 26 Canadian and 184 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 34 reports theses submitted in 1989, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Author:
Publisher:
ISBN:
Category : Metallurgy
Languages : en
Pages : 924
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Author:
Publisher:
ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 592
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1690
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1694
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Author:
Publisher:
ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 1116
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 970
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