@Article{icces.2023.09709,
AUTHOR = {Lifan Chen, Ning Guo, Zhongxuan Yang},
TITLE = {Multiscale Modelling of Normal Fault Rupture-Soil-Foundation Interaction},
JOURNAL = {The International Conference on Computational \& Experimental Engineering and Sciences},
VOLUME = {27},
YEAR = {2023},
NUMBER = {2},
PAGES = {1--1},
URL = {http://www.techscience.com/icces/v27n2/54168},
ISSN = {1933-2815},
ABSTRACT = {A multiscale approach [1] that couples the finite-element method (FEM) and the discrete-element method 
(DEM) is employed to model and analyse the earthquake fault rupture-soil-foundation interaction (FR-SFI) 
problem. In the approach, the soil constitutive responses are obtained from DEM solutions of representative 
volume elements (RVEs) embedded at the FEM integration points so as to effectively bypass the 
phenomenological hypotheses in conventional FEM simulations. The fault rupture surfaces and shear 
localization patterns under normal faults with or without foundation atop have been well captured by the 
multiscale approach and verified with available centrifuge experimental [2] and numerical results [3]. By 
examining the responses and microstructural evolutions of local RVE packings, it is found that the RVEs 
located in- or outside the shear bands behave distinctly, and may change their stress states from initial atrest to active in the normal fault case. The micromechanics study also sheds lights on the capability of heavy 
foundations in protecting the superstructure as a result of rupture surface diversion.},
DOI = {10.32604/icces.2023.09709}
}