|Simulaition of Load-Unload Response Ration using the Lattice Solid Model|
Yu-Cang Wang, Peter Mora, David Place, Xiang-Chu Yin
The Load-Unload Response Ratio (LURR) method is an earthquake prediction approach that has shown considerable promise. Both the high values of LURR and the observed accelerating seismic moment release (AMR) prior to most large earthquakes mean the focal region tends to an unstable or critical state suggesting intermediate-term earthquake prediction is possible. In order to study the underlying physical mechanism for LURR observations, numerical simulations of uniaxial compression are conducted using the particle based Lattice Solid Model (LSM). The preliminary results show high LURR before catastrophic failure of the sample which provides encouragement for continued study of the LURR mechanism and earthquake forecasting research.
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