Question #692613 on Yade changed:
https://answers.launchpad.net/yade/+question/692613
Status: Needs information => Open
Rohit John gave more information on the question:
Dear Robert,
Thanks for your reply.
I am using two materials: one for the internal nodes and one for the
external surface. I tried your recommendation but it did not help. The
cylinder is still falling apart.
I think we need all the Laws. I followed the code given here
(https://gitlab.com/yade-dev/trunk/blob/master/examples/cylinders
/cylinderconnection-roots.py). It says the following
Law2_ScGeom_FrictPhys_CundallStrack(), # contact law for
sphere-sphere
Law2_ScGridCoGeom_FrictPhys_CundallStrack(), # contact law
for cylinder-sphere
Law2_ScGeom6D_CohFrictPhys_CohesionMoment(), # contact law
for "internal" cylinder forces
Law2_GridCoGridCoGeom_FrictPhys_CundallStrack() # contact law
for cylinder-cylinder interaction
I tried removing Law2_ScGeom_FrictPhys_CundallStrack() and I got the
following error
None of given Law2 functors can handle interaction #0+1, types geom:ScGeom=1
and phys:FrictPhys=3 (LawDispatcher::getFunctor2D returned empty functor)
QObject::~QObject: Timers cannot be stopped from another thread
Segmentation fault (core dumped)
I tried removing Law2_ScGridCoGeom_FrictPhys_CundallStrack() that did
not do anything. Still the only fix is to define the cylinder after the
engines. I don't understand why it works though.
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