Hi, dear
When I simulate two sphere particles drop from the hopper, it crashed
during the simulation, what causes this? The crash information show as
follow:
terminate called after throwing an instance of 'std::runtime_error'
what(): On average a sphere has 223 contacts, more than the max
allowance (100).
If you believe this is not abnormal, set the allowance high using
SetErrorOutAvgContacts before initialization.
If you think this is because dT drifting too much ahead of kT so the
contact margin added is too big, use SetCDMaxUpdateFreq to limit the max dT
future drift.
Otherwise, the simulation may have diverged and relaxing the physics may
help, such as decreasing the step size and modifying material properties.
If this happens at the start of simulation, check if there are initial
penetrations, a.k.a. elements initialized inside walls.
This happened in contactDetection.[image: Screenshot from 2024-07-30
23-01-58.png]
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