TY  - GEN
A1  - Wetzel, Maria
A1  - Kempka, Thomas
A1  - Kühn, Michael
T1  - Predicting macroscopic elastic rock properties requires detailed information on microstructure
T2  - Energy procedia
N2  - Predicting variations in macroscopic mechanical rock behaviour due to microstructural changes, driven by mineral precipitation and dissolution is necessary to couple chemo-mechanical processes in geological subsurface simulations. We apply 3D numerical homogenization models to estimate Young’s moduli for five synthetic microstructures, and successfully validate our results for comparable geometries with the analytical Mori-Tanaka approach. Further, we demonstrate that considering specific rock microstructures is of paramount importance, since calculated elastic properties may deviate by up to 230 % for the same mineral composition. Moreover, agreement between simulated and experimentally determined Young’s moduli is significantly improved, when detailed spatial information are employed.
KW  - digital rock physics
KW  - effective elastic properties
KW  - numerical
Y1  - 2017
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/55795
SN  - 1876-6102
VL  - 125
SP  - 561
EP  - 570
PB  - Elsevier
CY  - Amsterdam
ER  -