Stochastic Finite Elements A Spectral Approach

Stochastic Finite Elements
  • Engels
  • Paperback
  • 9781461277958
  • Druk: 1
  • september 2011
  • 214 pagina's
Alle productspecificaties

Samenvatting

This monograph considers engineering systems with random parame- ters. Its context, format, and timing are correlated with the intention of accelerating the evolution of the challenging field of Stochastic Finite Elements. The random system parameters are modeled as second order stochastic processes defined by their mean and covari- ance functions. Relying on the spectral properties of the covariance function, the Karhunen-Loeve expansion is used' to represent these processes in terms of a countable set of un correlated random vari- ables. Thus, the problem is cast in a finite dimensional setting. Then, various spectral approximations for the stochastic response of the system are obtained based on different criteria. Implementing the concept of Generalized Inverse as defined by the Neumann Ex- pansion, leads to an explicit expression for the response process as a multivariate polynomial functional of a set of un correlated random variables. Alternatively, the solution process is treated as an element in the Hilbert space of random functions, in which a spectral repre- sentation in terms of the Polynomial Chaoses is identified. In this context, the solution process is approximated by its projection onto a finite subspace spanned by these polynomials.

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Taal
Engels
Bindwijze
Paperback
Druk
1
Verschijningsdatum
2011-09-16
Aantal pagina's
214 pagina's
Illustraties
Nee

EAN

EAN
9781461277958

Overige kenmerken

Extra groot lettertype
Nee
Oorspronkelijke releasedatum
2011-09-16
Subtitel
A Spectral Approach
Thema Subject Code
TBC

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