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  • XIV International Conference on Computational Plasticity: fundamentals and applications (COMPLAS 2017), Barcelona, 5-7 September, 2017
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Further developments in stress initialization in geomechanics via FEM and a two-step procedure involving airy functions

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hdl:2117/180962

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Ybern, C. R.
Jacqués, L.
Aliguer Piferrer, IgnasiMés informacióMés informació
Carol, IgnacioMés informacióMés informacióMés informació
Prat, P. C.
Lakshmikantha, M. R.
Segura, J. M.
Document typeConference report
Defense date2017
PublisherCIMNE
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
The in-situ stress field in rock masses is a key aspect when a numerical analysis of a rock mass is carried out in any area of geo-engineering, such as civil, mining, or Oil & Gas. A method for the numerical generation of the in-situ stress state in the FE context, based on Airy stress functions was previously introduced. It involves two steps: 1) an estimate of the stress state at each Gauss point is generated, and 2) global equilibrium is verified and re-balancing nodal forces are applied as needed. In this paper, new developments towards improving the accuracy of the stress proposal are discussed. A real application example has been used to illustrate the results achieved with the new implementation.
URIhttp://hdl.handle.net/2117/180962
ISBN978-84-946909-6-9
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  • COMPLAS - XIV International Conference on Computational Plasticity: fundamentals and applications (COMPLAS 2017), Barcelona, 5-7 September, 2017 [93]
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