Question #691285 on Yade changed:
https://answers.launchpad.net/yade/+question/691285
NGANDU KALALA Gauthier posted a new comment:
Hi Jan,
Sorry, I replace data.push(d) y data.append(d), however, the data file
thoes'nt appear any where.
But i'm trying to use this code to save just fn separately
def exportForces():
fn = 0 # initialization of the normal force
for i in O.interactions:
# detection of Force by sphere on facet
if isinstance(O.bodies[i.id1].shape,Sphere) \
and isinstance(O.bodies[i.id2].shape,Facet):
fn = fn + i.phys.normalForce
out=open(os.getcwd()+'/output/normalForce','a')
out.write('%g\n'%(fn))
out.close()
O.engines=[
.......
PyRunner(command='exportForces()',iterPeriod=int(math.ceil(tRec/O.dt)))
......]
The normalForce file appear in the folder of simulation, but the value of fn
extracted at any time step is always 0.
What do you think?
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