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Message #28521
Re: [Question #703571]: How to reset the stiffness of the particles at a later stage?
Question #703571 on Yade changed:
https://answers.launchpad.net/yade/+question/703571
孙灿 posted a new comment:
I know what you mean. But while I'm using this code, I don't know how to call the grain itself. The relevant code is as follows (not all of it):
shuzu=[]
circleRadius=2
circleCenter = Vector3(0.05,15,6)
for b in O.bodies:
d = (b.state.pos - circleCenter).norm()
if d < circleRadius:
shuzu.append(?)
def printInfo():
print("=============")
print("step",O.iter)
for i,body in enumerate(O.bodies):
print("body",i,"young",body.mat.young)
for i,intr in enumerate(O.interactions):
print("interaction",intr.id1,intr.id2,"kn",intr.phys.kn)
O.step()
printInfo()
def li():
for body in shuzu:
body.mat = Mat2
for intr in body.intrs():
O.interactions.erase(intr.id1,intr.id2)
printInfo()
I want to add eligible particles in the list shuzu[] using a for loop, and will change their material later using li(), I don't know how to call the particles themselves directly (put in the list shuzu[]), as I wrote shuzu.append(?). Maybe it's a very simple problem, but I don't know how to fix it.
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