Elastic Analysis of a Circular Toroidal Shell Using Computer Modeling PDF Download
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Author: Ricky Steven Powell
Publisher:
ISBN:
Category : Naval architecture
Languages : en
Pages : 136
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Book Description
The specific impetus for this work was a conceptual design of a submarine using te toroid as the pressure hull. This work is a continuation of the work started by Bowen (1987). As such, it is hoped that a better understanding of the behavior of a toroid under hydrostatic pressure can be realized. This work began with a review of efforts to solve complete toroidal structures. A specific toroid was then modeled in the BOSOR4 computer program to obtain displacements of the meridian under hydrostatic pressure. Functions were then derived that described the general form of these displacements. Using these functions as the assumed solution for the energy method an energy balance was made and a program was written to solve the displacements of a generic toroid under hydrostatic loading. (MJM).
Author: Ricky Steven Powell
Publisher:
ISBN:
Category : Naval architecture
Languages : en
Pages : 136
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Book Description
The specific impetus for this work was a conceptual design of a submarine using te toroid as the pressure hull. This work is a continuation of the work started by Bowen (1987). As such, it is hoped that a better understanding of the behavior of a toroid under hydrostatic pressure can be realized. This work began with a review of efforts to solve complete toroidal structures. A specific toroid was then modeled in the BOSOR4 computer program to obtain displacements of the meridian under hydrostatic pressure. Functions were then derived that described the general form of these displacements. Using these functions as the assumed solution for the energy method an energy balance was made and a program was written to solve the displacements of a generic toroid under hydrostatic loading. (MJM).
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1460
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Book Description
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.
Author: Wade H. Shafer
Publisher: Springer Science & Business Media
ISBN: 1461573947
Category : Science
Languages : en
Pages : 430
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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 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.
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 516
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Book Description
Author: Ely G. Fishlowitz
Publisher:
ISBN:
Category :
Languages : en
Pages : 61
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Book Description
A series of eight plastic toroidal shell models of circular cross section covering a wide geometric range were designed, built, and tested under uniform external pressure. The results were compared to collapse pressure predictions of two analyses. One analysis agreed with experimental collapse pressure to within 10 percent for all but two of the models. The other analysis agreed with half the models tested to within 10 percent but seems to be too optimistic for certain geometries. Experimental strains were recorded and photographs were taken of the models undergoing deformation during testing. The test results and analytical predictions indicated that complete toroidal shells under uniform external pressure appear to be insensitive to imperfections. (Author).
Author:
Publisher:
ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 620
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 1700
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Book Description
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 186
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Book Description
Author: Valentine Korah
Publisher:
ISBN:
Category : Antitrust law
Languages : en
Pages : 2354
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Book Description
Author: Balzej T. Skoczen
Publisher: Springer Science & Business Media
ISBN: 3662063050
Category : Science
Languages : en
Pages : 303
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Book Description
The present monograph is mainly focused on the behaviour of ductile ma terials at cryogenic temperatures, stability issues concerning application of corrugated shells at cryogenic conditions and reliability oriented parametric optimisation of compensation systems containing the corrugated bellows. As there are relatively few publications on combined material and structural be haviour at very low temperatures, the monograph aims at filling this gap. It is worth pointing out that within the class of publications dedicated to low temperature behaviour of materials and structures the majority is based on testing down to the temperature of liquid nitrogen (77 K). Rare publications deal with the analysis of material and structural response at the temperature of liquid helium (4. 5 K) or superfluid helium (below the point T>. , = 2. 17 K). This can be explained by the fact that an (by its nature complex) installation for testing at such low temperatures is very expensive. Only the large research centres and universities, working in the domain of superconductivity, cryogen ics or developing superconducting magnets for particle accelerators, can afford such installations. A significant part of the present monograph is dedicated to the analy sis of the phenomena associated with plastic yielding in stainless steels at cryogenic temperatures. Generally, three phenomena are distinguished: plas tic strain induced phase transformations, serrated yielding and evolution of ductile damage.
