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foam-extend4.1-coherent-io/tutorials/overset/flowTests/staticCylinderSheddingTest/bodyFittedCylinder/plotForce.py

53 lines
1.8 KiB
Python
Executable file

#!/usr/bin/python
import pylab
import re
import pickle
forceRegex=r"([0-9.Ee\-+]+)\s+\(+([0-9.Ee\-+]+)\s([0-9.Ee\-+]+)\s([0-9.Ee\-+]+)\)\s\(([0-9.Ee\-+]+)\s([0-9.Ee\-+]+)\s([0-9 .Ee\-+]+)\)+\s\(+([0-9.Ee\-+]+)\s([0-9.Ee\-+]+)\s([0-9.Ee\-+]+)\)\s\(([0-9.Ee\-+]+)\s([0-9.Ee\-+]+)\s([0-9.Ee\-+]+)\)+"
t = []
fpx = []; fpy = []; fpz = []
fvx = []; fvy = []; fvz = []
mpx = []; mpy = []; mpz = []
mvx = []; mvy = []; mvz = []
pipefile=open('forces/0/forces.dat','r')
lines = pipefile.readlines()
for line in lines:
match=re.search(forceRegex,line)
if match:
t.append(float(match.group(1)))
fpx.append(float(match.group(2)))
fpy.append(float(match.group(3)))
fpz.append(float(match.group(4)))
fvx.append(float(match.group(5)))
fvy.append(float(match.group(6)))
fvz.append(float(match.group(7)))
mpx.append(float(match.group(8)))
mpy.append(float(match.group(9)))
mpz.append(float(match.group(10)))
mvx.append(float(match.group(11)))
mvy.append(float(match.group(12)))
mvz.append(float(match.group(13)))
# Calculate total forces
fx = [x + y for x, y in zip(fpx, fvx)]
fy = [x + y for x, y in zip(fpy, fvy)]
fz = [x + y for x, y in zip(fpz, fvz)]
for i in range(len(t)):
fx[i] = fpx[i] + fvx[i]
for i in range(len(t)):
fx[i] = fpx[i] + fvx[i]
with open('pressureForces.dat', 'w') as f:
for f1, f2, f3 in zip(t, fpx, fpy):
print >> f, f1, f2, f3
with open('viscousForces.dat', 'w') as f:
for f1, f2, f3 in zip(t, fvx, fvy):
print >> f, f1, f2, f3
with open('totalForces.dat', 'w') as f:
for f1, f2, f3 in zip(t, fx, fy):
print >> f, f1, f2, f3