Question #707253 on Yade changed:
https://answers.launchpad.net/yade/+question/707253
Status: Answered => Open
Yipeng Xie is still having a problem:
Thanks for your reply Jérôme,
I understand the use and meaning of
Law2_ScGeom6D_CohFrictPhys_CohesionMoment.always_use_moment_law. I'm wondering
if the process of traversing each contact and changing its interaction
parameters in [2] can be replaced by the following approach?
1. turn off 'always_use_moment_law' in the compaction period.
2, Reopen 'always_use_moment_law' at the end of compaction and before shearing
starts.
I made a simple specimen (15 particles of size 0.1) and monitored the bending
moment of each contact at the end of compaction and at the end of shearing
(strain=0.001).
for i in O.interactions:
print(i.phys.maxRollPl,i.phys.momentRotationLaw,i.phys.moment_bending)
The results were as follows:
###end of compaction###
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
0.03 True Vector3(0,0,0)
###end of shearing###
.03 True Vector3(0,0,-0.006369249879944223827)
0.03 True Vector3(0,0,0.0135276229700326614)
0.03 True Vector3(0,0,-0.002968023534875699476)
0.03 True Vector3(0,0,0.007878735388354117519)
0.03 True Vector3(0,0,0.003920556923051904397)
0.03 True Vector3(0,0,0.004396215328935696581)
0.03 True Vector3(0,0,0.01202557323391915782)
0.03 True Vector3(0,0,6.767030744084245875e-05)
0.03 True Vector3(0,0,-0.01077908861578897107)
0.03 True Vector3(0,0,-0.001929448802188766209)
0.03 True Vector3(0,0,-0.008037346003426384944)
0.03 True Vector3(0,0,-0.006075743028989520622)
0.03 True Vector3(0,0,0.00317923614595012026)
0.03 True Vector3(0,0,-0.0004674167022765646044)
0.03 True Vector3(0,0,-0.004205722830634382736)
0.03 True Vector3(0,0,0.008521516561649372656)
0.03 True Vector3(0,0,0.006167688666983381016)
0.03 True Vector3(0,0,0.003463652710550372237)
0.03 True Vector3(0,0,-0.01037110051734604563)
0.03 True Vector3(0,0,-0.001687963997880598688)
0.03 True Vector3(0,0,-0.01515662193090932738)
0.03 True Vector3(0,0,0.005604772340180230392)
0.03 True Vector3(0,0,-0.01619089210283412503)
0.03 True Vector3(0,0,-0.008909068417433833181)
0.03 True Vector3(0,0,-0.001217633171513254203)
0.03 True Vector3(0,0,-0.006583826055853406189)
0.03 True Vector3(0,0,0.005699909102794692428)
0.03 True Vector3(0,0,0.0002697926321608211213)
0.03 True Vector3(0,0,0.003647015710138799306)
0.03 True Vector3(0,0,-0.002762157761152740556)
It seems like all the rolling resistance moments have been activated.
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