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Message #05772
Re: [Question #191904]: reproducibility of capillary law
Question #191904 on Yade changed:
https://answers.launchpad.net/yade/+question/191904
Christian Jakob posted a new comment:
Thank you for your comment. I can not send you a script, because it is a bit too complex. There are servel preparation steps before the final calculation is running.
To provide more informations, I can send you output from my test runs. I created a file called test-results.sh. It simply consists of these lines:
yade -j 6 6-final.py
yade -j 6 6-final.py
yade -j 6 6-final.py
yade -j 6 6-final.py
yade -j 6 6-final.py
In will give you also main steps file 6-final.py:
#!/usr/bin/python
# -*- coding: utf-8 -*-
execfile('userinput.py') #here some parameters are stored
O.load('no-macropore.xml')
#get highest particle before calculation and get V_spheres:
V_spheres = 0
max_z_pos = -10
for ii in sphID:
i = O.bodies[ii]
if ((i) and (isinstance(i.shape,Sphere))):
V_spheres = V_spheres + (4*pi*(O.bodies[ii].shape.radius)**3)/3
pos = O.cell.wrapPt(O.bodies[ii].state.pos)
if pos[2] > max_z_pos:
max_z_pos = pos[2]
#calculate steps_cube_full:
O.dt=4e-7
dt_now = O.dt
time_cube_full = abs(z_cu - z_cl) / v_iw
steps_cube_full = int(time_cube_full / dt_now)
t0 = O.time
c_broken = 0
cc = 1
if incr_water:
start_time=O.realtime
for c_final in range (0,int(steps_cube_full/100+1)):
O.run(100,True)
time_now = O.time
water_height = (time_now-t0) * v_iw + shift
#determine contacts that are below water_height
for i in O.interactions:
z_int_vec = O.cell.wrapPt(i.geom.contactPoint)
z_int = z_int_vec[2] #z coordinate of interaction
if ((z_int < water_height) and (i.isReal)):
i.phys.isBroken=True #delete liquid bridges
c_broken += 1
#show calculation status in console:
if int(c_final) == int(cc*steps_cube_full/(10*100)):
now_time = O.realtime
print cc*10,'percent done, actual water height: ',water_height,' / elapsed time: %e min' % ((now_time - start_time)/60)
cc += 1
#get highest particle before calculation:
max_z_pos_after = -10
for ii in sphID:
i = O.bodies[ii]
if ((i) and (isinstance(i.shape,Sphere))):
pos = O.cell.wrapPt(O.bodies[ii].state.pos)
if pos[2] > max_z_pos_after:
max_z_pos_after = pos[2]
settling_value = max_z_pos - max_z_pos_after
rel_set_val = settling_value / (z_cu - z_cl)
print settling_value
print rel_set_val
O.save('test-run2.xml')
sys.exit(0)
#-------------------------------------------------------------------------------endoffile
Result:
me@debian ~/YADE/my-yade-projects/07-converted-PFC-model >. test-results.sh
Welcome to Yade unknown
TCP python prompt on localhost:9000, auth cookie `dsskea'
XMLRPC info provider on http://localhost:21000
Running script 6-final.py
10 percent done, actual water height: 0.000900399999508 / elapsed time: 2.971767e+00 min
20 percent done, actual water height: 0.00120039999902 / elapsed time: 5.951367e+00 min
30 percent done, actual water height: 0.00150039999853 / elapsed time: 8.970583e+00 min
40 percent done, actual water height: 0.00180039999804 / elapsed time: 1.205620e+01 min
50 percent done, actual water height: 0.00210039999754 / elapsed time: 1.514240e+01 min
60 percent done, actual water height: 0.00240039999705 / elapsed time: 1.831538e+01 min
70 percent done, actual water height: 0.00270039999656 / elapsed time: 2.151325e+01 min
80 percent done, actual water height: 0.00300039999607 / elapsed time: 2.476030e+01 min
90 percent done, actual water height: 0.00330039999558 / elapsed time: 2.807042e+01 min
100 percent done, actual water height: 0.00360039999509 / elapsed time: 3.142205e+01 min
0.00029855191197
0.09951730399
Yade: normal exit.
Beendet
Welcome to Yade unknown
TCP python prompt on localhost:9000, auth cookie `askcye'
XMLRPC info provider on http://localhost:21000
Running script 6-final.py
10 percent done, actual water height: 0.000900399999508 / elapsed time: 2.958867e+00 min
20 percent done, actual water height: 0.00120039999902 / elapsed time: 5.910517e+00 min
30 percent done, actual water height: 0.00150039999853 / elapsed time: 8.870300e+00 min
40 percent done, actual water height: 0.00180039999804 / elapsed time: 1.180363e+01 min
50 percent done, actual water height: 0.00210039999754 / elapsed time: 1.478193e+01 min
60 percent done, actual water height: 0.00240039999705 / elapsed time: 1.789090e+01 min
70 percent done, actual water height: 0.00270039999656 / elapsed time: 2.111632e+01 min
80 percent done, actual water height: 0.00300039999607 / elapsed time: 2.436760e+01 min
90 percent done, actual water height: 0.00330039999558 / elapsed time: 2.763468e+01 min
100 percent done, actual water height: 0.00360039999509 / elapsed time: 3.110225e+01 min
0.0003843152258
0.128105075267
Yade: normal exit.
Beendet
Welcome to Yade unknown
TCP python prompt on localhost:9000, auth cookie `uasdcs'
XMLRPC info provider on http://localhost:21000
Running script 6-final.py
10 percent done, actual water height: 0.000900399999508 / elapsed time: 2.963633e+00 min
20 percent done, actual water height: 0.00120039999902 / elapsed time: 5.946450e+00 min
30 percent done, actual water height: 0.00150039999853 / elapsed time: 9.002733e+00 min
40 percent done, actual water height: 0.00180039999804 / elapsed time: 1.208903e+01 min
50 percent done, actual water height: 0.00210039999754 / elapsed time: 1.519418e+01 min
60 percent done, actual water height: 0.00240039999705 / elapsed time: 1.832947e+01 min
70 percent done, actual water height: 0.00270039999656 / elapsed time: 2.143732e+01 min
80 percent done, actual water height: 0.00300039999607 / elapsed time: 2.466240e+01 min
90 percent done, actual water height: 0.00330039999558 / elapsed time: 2.785198e+01 min
100 percent done, actual water height: 0.00360039999509 / elapsed time: 3.111655e+01 min
0.000388188987295
0.129396329098
Yade: normal exit.
Beendet
Welcome to Yade unknown
TCP python prompt on localhost:9000, auth cookie `cuekss'
XMLRPC info provider on http://localhost:21000
Running script 6-final.py
10 percent done, actual water height: 0.000900399999508 / elapsed time: 2.970300e+00 min
20 percent done, actual water height: 0.00120039999902 / elapsed time: 5.930817e+00 min
30 percent done, actual water height: 0.00150039999853 / elapsed time: 8.940450e+00 min
40 percent done, actual water height: 0.00180039999804 / elapsed time: 1.202117e+01 min
50 percent done, actual water height: 0.00210039999754 / elapsed time: 1.513903e+01 min
60 percent done, actual water height: 0.00240039999705 / elapsed time: 1.832503e+01 min
70 percent done, actual water height: 0.00270039999656 / elapsed time: 2.153702e+01 min
80 percent done, actual water height: 0.00300039999607 / elapsed time: 2.480080e+01 min
90 percent done, actual water height: 0.00330039999558 / elapsed time: 2.807388e+01 min
100 percent done, actual water height: 0.00360039999509 / elapsed time: 3.147515e+01 min
0.000325288935697
0.108429645232
Yade: normal exit.
Beendet
Welcome to Yade unknown
TCP python prompt on localhost:9000, auth cookie `cukaes'
XMLRPC info provider on http://localhost:21000
Running script 6-final.py
10 percent done, actual water height: 0.000900399999508 / elapsed time: 2.922750e+00 min
20 percent done, actual water height: 0.00120039999902 / elapsed time: 5.835467e+00 min
30 percent done, actual water height: 0.00150039999853 / elapsed time: 8.784200e+00 min
40 percent done, actual water height: 0.00180039999804 / elapsed time: 1.168948e+01 min
50 percent done, actual water height: 0.00210039999754 / elapsed time: 1.463730e+01 min
60 percent done, actual water height: 0.00240039999705 / elapsed time: 1.767775e+01 min
70 percent done, actual water height: 0.00270039999656 / elapsed time: 2.080507e+01 min
80 percent done, actual water height: 0.00300039999607 / elapsed time: 2.405577e+01 min
90 percent done, actual water height: 0.00330039999558 / elapsed time: 2.737785e+01 min
100 percent done, actual water height: 0.00360039999509 / elapsed time: 3.077348e+01 min
0.000276722571637
0.0922408572124
Yade: normal exit.
Beendet
As you can see elapsed time and settling value is different in every
calculation ... this should not be, right?
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