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On using deterministic FEA software to solve problems in stochastic structural mechanics

On using deterministic FEA software to solve problems in stochastic structural mechanics
On using deterministic FEA software to solve problems in stochastic structural mechanics
Over the last three decades there has been an outstanding growth in the development of deterministic finite element codes with extensive analysis capabilities. Extension of such deterministic codes to solve problems in stochastic mechanics is of much interest to the academic research community and industry. In this paper we discuss some of the issues involved in integrating fully grown third-party deterministic finite element codes with stochastic projection schemes. The objective of this study is to lay the foundation for development of an easy-to-use general-purpose stochastic finite element software for carrying out probabilistic analysis of large-scale engineering systems. We present a brief introduction to stochastic reduced basis projection schemes and the steps involved in coupling them with a typical deterministic finite element software. We demonstrate with the help of a number of case studies how a coupled framework can be used for solving problems in probabilistic mechanics.
0045-7949
277 -290
Sachdeva, Sachin K.
40692b50-50e3-4e78-a464-86475be62053
Nair, Prasanth B.
d4d61705-bc97-478e-9e11-bcef6683afe7
Keane, Andy J.
26d7fa33-5415-4910-89d8-fb3620413def
Sachdeva, Sachin K.
40692b50-50e3-4e78-a464-86475be62053
Nair, Prasanth B.
d4d61705-bc97-478e-9e11-bcef6683afe7
Keane, Andy J.
26d7fa33-5415-4910-89d8-fb3620413def

Sachdeva, Sachin K., Nair, Prasanth B. and Keane, Andy J. (2007) On using deterministic FEA software to solve problems in stochastic structural mechanics. Computers & Structures, 85 (5-6), 277 -290. (doi:10.1016/j.compstruc.2006.10.008).

Record type: Article

Abstract

Over the last three decades there has been an outstanding growth in the development of deterministic finite element codes with extensive analysis capabilities. Extension of such deterministic codes to solve problems in stochastic mechanics is of much interest to the academic research community and industry. In this paper we discuss some of the issues involved in integrating fully grown third-party deterministic finite element codes with stochastic projection schemes. The objective of this study is to lay the foundation for development of an easy-to-use general-purpose stochastic finite element software for carrying out probabilistic analysis of large-scale engineering systems. We present a brief introduction to stochastic reduced basis projection schemes and the steps involved in coupling them with a typical deterministic finite element software. We demonstrate with the help of a number of case studies how a coupled framework can be used for solving problems in probabilistic mechanics.

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Accepted/In Press date: 31 October 2006
Published date: 1 March 2007

Identifiers

Local EPrints ID: 43285
URI: http://eprints.soton.ac.uk/id/eprint/43285
ISSN: 0045-7949
PURE UUID: 9886d4ca-988c-46e0-aad4-7e3d744512e7
ORCID for Andy J. Keane: ORCID iD orcid.org/0000-0001-7993-1569

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Date deposited: 19 Jan 2007
Last modified: 16 Mar 2024 02:53

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Contributors

Author: Sachin K. Sachdeva
Author: Prasanth B. Nair
Author: Andy J. Keane ORCID iD

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