Javadi, Akbar, Faramarzi, Asaad, Mehravar, Moura and Ahangar-Asr, Alireza (2011) EPR-based finite element analysis of soils under cyclic loading. In: Proceedings of the 19th UK National Conference of the Association for Computational Mechanics in Engineering. Heriot-Watt University, Edinburgh, Scotland, UK, pp. 57-60. ISBN 9780956595119

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Abstract

In this paper, a new approach is presented for modelling behaviour of soils under cyclic loading. This involves development of a unified approach to modelling of complex materials using evolutionary polynomial regression (EPR) and its implementation in the finite element method. EPR is a data mining technique that generates a transparent and structured representation of the system being studied. The main advantage of an EPR-based constitutive model (EPRCM) over conventional models is that it provides the optimum structure and parameters of the material constitutive model directly from raw experimental (or field) data. The development of the method will be presented followed by the application to study the behaviour of soils under cyclic loading. The results of the analyses will be compared with those obtained from standard finite element analyses using conventional constitutive models. It will be shown that the EPR-based constitutive models offer an effective and unified approach to constitutive modelling of materials with complex behaviour in finite element analysis of boundary value problems.

Item Type:	Conference Proceedings
Title of Proceedings:	Proceedings of the 19th UK National Conference of the Association for Computational Mechanics in Engineering
Additional Information:	[1] This paper was first presented in the Geomechanics / Material Modelling Section of the 19th UK National Conference of the Association for Computational Mechanics in Engineering (ACME2011) held from 5-6 April 2011 at Heriot-Watt University in Edinburgh, Scotland, UK.
Uncontrolled Keywords:	finite element analysis, geomechanics, evolutionary methods, EPR, cyclic loading
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology
Pre-2014 Departments:	School of Engineering School of Engineering > Department of Civil Engineering
Related URLs:	Publisher Publisher Organisation
Last Modified:	14 Oct 2016 09:26
URI:	http://gala.gre.ac.uk/id/eprint/11131

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