Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/6101
Authors: Cannelli, V.* 
Melini, D.* 
Piersanti, A.* 
Title: Post-seismic stress relaxation with a linear transient rheology
Issue Date: Apr-2010
Series/Report no.: 2/53 (2010)
DOI: 10.4401/ag-4642
URI: http://hdl.handle.net/2122/6101
Keywords: Transient rheology
Geodynamics
Stress tensor
Coulomb failure function
Post-seismic relaxation
Subject Classification04. Solid Earth::04.07. Tectonophysics::04.07.99. General or miscellaneous 
Abstract: We performed an analysis of post-seismic stress relaxation, taking into account generalized linear rheologies. We compared the stress field (and its derived functions) obtained with a classical Maxwell rheology with that obtained with a transient Burgers body. From a set of synthetic case studies, we have revealed quantitative and qualitative differences both in relaxation times and in local stress values when a transient rheology is introduced. As a practical application, we modeled the time evolution of the Coulomb failure function following the 2009 L'Aquila earthquake, and we show that a transient rheology can lead to non-monotonic time dependence.
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