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[Justin <question662576@xxxxxxxxxxxxxxxxxxxxx>]

Question #662576 on Yade changed:
https://answers.launchpad.net/yade/+question/662576

    Status: Answered => Open

Justin is still having a problem:
I just tried GlobalStiffnessTimeStepper and it did not make a
difference.  I probably should not have used the word "explosion". Half
of the nodes/grid connections just disappear once the fixed BC is turned
off, and I have no clue why.


I notice the same thing with CohesiveCylinderSphere.py (gridConnections) in the examples/grid folder.

In the for loop:
for i in linspace(0,L,nL):
  nodesIds.append( O.bodies.append(
    gridNode([i,0,0],rCyl,wire=False,fixed=False,material='gridNodeMat') ) )


If you change the axis as such:
for i in linspace(0,L,nL):
  nodesIds.append( O.bodies.append(
    gridNode([0,i,0],rCyl,wire=False,fixed=False,material='gridNodeMat') ) )

or:
for i in linspace(0,L,nL):
  nodesIds.append( O.bodies.append(
    gridNode([0,0,i],rCyl,wire=False,fixed=False,material='gridNodeMat') ) )


All middle nodes and the grid connection disappear once you hit play. Is this a bug?

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