Stochastic Finite Elements (Paperback)

Lingua: inglese

Editore: Dover Publications Inc., New York, 2003

0486428184 / 9780486428185

Serie: Libro 28 di 53 - Dover Civil and Mechanical Engineering

Da: Grand Eagle Retail, Bensenville, IL, U.S.A.Grand Eagle Retail

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Paperback. Discrepancies frequently occur between a physical system's responses and predictions obtained from mathematical models. The Spectral Stochastic Finite Element Method (SSFEM) has proven successful at forecasting a variety of uncertainties in calculating system responses. This text analyses a class of discrete mathematical models of engineering systems, identifying key issues and reviewing relevant theoretical concepts, with particular attention to a spectral approach.Random system parameters are modeled as second-order stochastic processes, defined by their mean and covariance functions. Relying on the spectral properties of the covariance function, the Karhunen-Loeve expansion is employed to represent these processes in terms of a countable set of uncorrected random variables, casting the problem in a finite dimensional setting. Various spectral approximations for the stochastic response of the system are obtained. Implementing the concept of generalized inverse leads to an explicit expression for the response process as a multivariate polynomial functional of a set of uncorrelated random variables. Alternatively, the solution process is treated as an element in the Hilbert space of random functions, in which a spectral representation is identified in terms of polynomial chaos. In this context, the solution process is approximated by its projection onto a finite subspace spanned by these polynomials. This text analyzes a class of discrete mathematical models of engineering systems, identifying key issues and reviewing relevant theoretical concepts, with particular attention to a spectral approach. 1991 edition. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.

Codice articolo 9780486428185

Titolo
Stochastic Finite Elements (Paperback)
Autore
Roger G. Ghanem
Editore
Dover Publications Inc., New York
Anno di pubblicazione
2003
Condizione
new
Rilegatura
Paperback
Lingua
inglese
ISBN 10
0486428184
ISBN 13
9780486428185
Serie
Libro 28 di 53: Dover Civil and Mechanical Engineering

Grand Eagle Retail

Bensenville, IL, U.S.A.

Venditore con 5 stelle

Venditore AbeBooks dal 12 ottobre 2005

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