TY - GEN
T1 - Effects of grain size and grain shape in granular flow simulations
AU - Moriguchi, S.
AU - Terada, K.
AU - Kato, J.
AU - Takase, S.
AU - Kyoya, T.
N1 - Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2015
Y1 - 2015
N2 - A model test of granular flow was reproduced using DEM. Some calculation cases with different grain sizes were performed to investigate effects of grain size. Effects of grain shape were also investigated by using spherical elements and non-spherical elements. According to obtained results, non-spherical and enough small elements could reproduce entire flow behavior obtained in the model test. The important thing in granular flow simulations is not to describe real grain size and grain shape, but to use enough small elements and to consider grain shape roughly. It is very important to figure out criteria of element size and degree of shape representation for use of DEM at practical level.
AB - A model test of granular flow was reproduced using DEM. Some calculation cases with different grain sizes were performed to investigate effects of grain size. Effects of grain shape were also investigated by using spherical elements and non-spherical elements. According to obtained results, non-spherical and enough small elements could reproduce entire flow behavior obtained in the model test. The important thing in granular flow simulations is not to describe real grain size and grain shape, but to use enough small elements and to consider grain shape roughly. It is very important to figure out criteria of element size and degree of shape representation for use of DEM at practical level.
UR - http://www.scopus.com/inward/record.url?scp=84907318208&partnerID=8YFLogxK
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U2 - 10.1201/b17435-256
DO - 10.1201/b17435-256
M3 - Conference contribution
AN - SCOPUS:84907318208
SN - 9781138001480
T3 - Computer Methods and Recent Advances in Geomechanics - Proceedings of the 14th Int. Conference of International Association for Computer Methods and Recent Advances in Geomechanics, IACMAG 2014
SP - 1453
EP - 1458
BT - Computer Methods and Recent Advances in Geomechanics - Proc. of the 14th International Conference of International Association for Computer Methods and Recent Advances in Geomechanics, IACMAG 2014
PB - Taylor and Francis - Balkema
T2 - 14th International Conference of International Association for Computer Methods and Recent Advances in Geomechanics, IACMAG 2014
Y2 - 22 September 2014 through 25 September 2014
ER -