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A simplified and efficient hybrid finite element model (HYMOD) for non-linear 3D simulation of RC structures

George Markou (Department of Civil Engineering, ALHOSN University, Abu Dhabi, United Arab Emirates.)
Manolis Papadrakakis (Department of Civil Engineering, National Technical University of Athens, Athens, Greece.)

Engineering Computations

ISSN: 0264-4401

Article publication date: 6 July 2015

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Abstract

Purpose

The purpose of this paper is to present a simplified hybrid modeling (HYMOD) approach which overcomes limitations regarding computational cost and permits the simulation and prediction of the nonlinear inelastic behavior of full-scale RC structures.

Design/methodology/approach

The proposed HYMOD formulation was integrated in a research software ReConAn FEA and was numerically studied through the use of different numerical implementations. Then the method was used to model a full-scale two-storey RC building, in an attempt to demonstrate its numerical robustness and efficiency.

Findings

The numerical results performed demonstrate the advantages of the proposed hybrid numerical simulation for the prediction of the nonlinear ultimate limit state response of RC structures.

Originality/value

A new numerical modeling method based on finite element method is proposed for simulating accurately and with computational efficiency, the mechanical behavior of RC structures. Currently 3D detailed methods are used to model single structural members or small parts of RC structures. The proposed method overcomes the above constraints.

Keywords

Acknowledgements

The financial support of the John Argyris Foundation (JAF) and the Research Funding Department (ELE) of NTUA provided to the first author is gratefully acknowledged.

Citation

Markou, G. and Papadrakakis, M. (2015), "A simplified and efficient hybrid finite element model (HYMOD) for non-linear 3D simulation of RC structures", Engineering Computations, Vol. 32 No. 5, pp. 1477-1524. https://doi.org/10.1108/EC-11-2013-0269

Publisher

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Emerald Group Publishing Limited

Copyright © 2015, Emerald Group Publishing Limited

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