Question #288004 on Yade changed:
https://answers.launchpad.net/yade/+question/288004
Status: Answered => Open
Seti is still having a problem:
Hi Bruno,
Sorry for any inconvenience, I have tried to put more detailed in my
question as per below.
Hi All,
I am trying to model a cemented sample for compression test. The sample is
made by two materials (1- Loose sand, 2- bonder , bounding the sand grains),
obviously each material has own cohesion.
Based on YADE documentation the cohesion between two material is calculated as
per below
a_i=C_i min(R_1,R_2)^2, i=n,s.
However I need to choose C _max for C_i instead of C_min.
I was told "MatchMaker" in Ip2_CohFrictMat_CohFrictMat_CohFrictPhys should do
what I am looking for. I have tried below engine, however it does not work. Do
you have any idea why the code is not working the error is as per below:
"AttributeError: No such attribute: shearCohesion."
I Just put a snip of code :
O.engines=[
ForceResetter(),
InsertionSortCollider([Bo1_Sphere_Aabb(),Bo1_Box_Aabb(),Bo1_Facet_Aabb(),Bo1_Wall_Aabb()]),
InteractionLoop(
[Ig2_Sphere_Sphere_ScGeom6D(),Ig2_Box_Sphere_ScGeom(),Ig2_Wall_Sphere_ScGeom(),Ig2_Facet_Sphere_ScGeom()],
[Ip2_FrictMat_FrictMat_FrictPhys()],
[Ip2_FrictMat_FrictMat_FrictPhys (),
[Ip2_CohFrictMat_CohFrictMat_CohFrictPhys(normalCohesion=MatchMaker(matches=((mat1,mat2,500),(mat2,mat2,1e6))),shearCohesion=MatchMaker(matches=((mat1,mat2,50e6),(mat2,mat2,80e6))),label="cohesiveIp")],
[Law2_ScGeom_MindlinPhys_Mindlin(includeMoment=True,includeAdhesion=True)],
[Law2_ScGeom_FrictPhys_CundallStrack(),Law2_ScGeom6D_CohFrictPhys_CohesionMoment(
useIncrementalForm=True,
always_use_moment_law=False,
label='cohesiveLaw')]
Thanks,
Seti
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