Hi everybody,
I have a problem when removing a ChBody from ChSystemMulticore at Runtime.
At the moment I am trying to bring my physics simulation from single core
to multicore and however I run into some runtime crashes when I try the
following:
I create some ChBodies which are connected with some ChLinks - all are
added to ChSystemMulticore. This works perfectly fine. However at some
point I am removing ALL elements from the simulation calling:
mySystem.Clear() -> This calls ChSystem.Clear();
However if I try to continue my simulation after adding another ChBodies I
run into a runtime exception in ChSystemMulticore::ClearForceVariables()
(namly a vector-out-of-range-error):
for (int i = 0; i < (signed)data_manager->num_rigid_bodies; i++) {
assembly.bodylist[i]->VariablesFbReset();
}
I did some debugging and the reason is, that after calling ChSystem.Clear()
the data_manager of ChSystemMulticore still has num_rigid_bodies > 0.
This looks like a bug to me?
I tried to simply set num_rigid_bodies = 0 after calling Clear(), but this
is obviously a stupid idea and let to some other crashes...
I am not that deep into Project Chrono, but is there a nice way to delete
elements from a ChSystemMulticore Class? Maybe if somebody can give me a
hint what I need to delete inside the data_manager I might be able to fix
it myself.
Thanks,
Frank
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