Read e-book online Analyses for Durability and System Design Lifetime: A PDF

By Joseph H. Saleh

ISBN-10: 0511370989

ISBN-13: 9780511370984

ISBN-10: 0521867894

ISBN-13: 9780521867894

A subject in engineering layout is a system's layout lifetime. This publication presents a systemic qualitative and quantitative method of those difficulties addressing, first, the technicality of sturdiness, moment, the marginal expense of sturdiness, and, 3rd, the sturdiness selection challenge for complicated structures with community externalities (competition and industry uncertainty) and obsolescence (technology evolution). additionally addressed is the expanding rigidity among the layout lifetimes of complicated structures and the shortening time scales linked to the obsolescence of the know-how. The booklet ends with a dialogue of flexibleness in process layout. Dr. Joseph H. Saleh is an Assistant Professor of Aerospace Engineering on the Georgia Institute of know-how. He got his Ph.D. from the dept of Aeronautics and Astronautics at MIT and served because the govt Director for the Ford-MIT Alliance. His examine makes a speciality of problems with layout lifetime and the way to embed flexibility within the layout of complicated engineering platforms generally and in aerospace process specifically. Dr. Saleh is the writer or co-author of fifty technical guides and the recipient of diverse awards for his educating and examine contributions. He served as a technical advisor to NASA's Jet Propulsion Laboratory and has collaborated on examine tasks with a number of aerospace businesses.

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Additional info for Analyses for Durability and System Design Lifetime: A Multidisciplinary Approach (Cambridge Aerospace Series)

Example text

Manufacturers who extend their system design lifetimes may have to bear the additional costs in unpaid services of extended warranties. This risk is heightened for manufacturers of less reliable systems. In other words, manufacturers who do not have a track record of designing reliable systems should carefully consider before engaging in “design lifetime extension behavior” to differentiate their systems from the competition’s. This risk should be weighed against, or can be mitigated by, the service contract advantage discussed above.

1993). I believe, however, that these authors confused the various evolving connotations of “quality” and proposed to separate durability from the recently acquired reliability connotation of quality. 29 P1: IBE 9780521867894c03 30 CUFX200/Saleh 978 0 521 86789 4 September 28, 2007 20:54 A Brief History of Economic Thought on Durability Growing academic interest arose in issues of durability in the second half of the 20th century because economists recognized the limitations of the traditional price–quantity analysis and sought to expand it by including an additional dimension of product quality.

Over the past two decades, telecommunications satellites have seen their design lifetimes on average increase from 7 to 15 years. Increased spacecraft lifetime came about because of technological innovation. It became technically possible to design satellites with longer lifetimes with better battery technology and more reliable transponders. Additionally, satellite operators determined that, given the market conditions, longer-lived satellites would increase their return on investment. In other words, there was a demand for increased durability, and technological innovation made it possible to meet this demand.

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Analyses for Durability and System Design Lifetime: A Multidisciplinary Approach (Cambridge Aerospace Series) by Joseph H. Saleh

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