Journal
COMPUTERS & GEOSCIENCES
Volume 145, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cageo.2020.104589
Keywords
Rock microstructure; Crack orientation; Seismic anisotropy; Self-consistent approximation; MTEX; MATLAB
Funding
- Creative-Pioneering Researchers Program through Seoul National University (SNU) [SNU SRnD 3345-20160014]
- Nuclear Safety Research Program through the Korea Foundation of Nuclear Safety (KoFONS) from the Nuclear Safety and Security Commission (NSSC), Republic of Korea [1705010]
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Seismic anisotropy of polycrystalline materials depends on the characteristics of micmcracks as well as the crystallographic orientations of minerals. Here, we present a MATLAB-based software, AnisEulerSC (Anisotropy from Euler angles using Self-Consistent approximation), for modeling the anisotropic seismic properties of a polycrystalline aggregate with microcracks using the self-consistent approximation. In this program, several commands of MTEX (a MATLAB toolbox for texture analysis) are utilized to analyze constituent components of a rock sample based on experimental measurement data (e.g., electron backscatter diffraction) and to calculate and visualize seismic wave velocities and polarizations. We provide several examples of SC modeling to explore the effects of grain shapes on a polycrystalline aggregate and the effects of crack shapes and orientations on the anisotropic seismic properties of a polycrystalline aggregate.
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