GopherProxy

	tadd script showing shear stress and dilation results - sphere - GPU-based 3D d…
	git clone git://src.adamsgaard.dk/sphere
	Log
	Files
	Refs
	LICENSE
	---
	commit 02e113098e1ea02d432755c7faab9e0a7523ef78
	parent cd8486401752a5d3e555cb27304465302f77dee1
	Author: Anders Damsgaard <[email protected]>
	Date: Tue, 9 Sep 2014 09:06:59 +0200

	add script showing shear stress and dilation results

	Diffstat:
	A python/shear-results.py \| 93 +++++++++++++++++++++++++++++…

	1 file changed, 93 insertions(+), 0 deletions(-)
	---
	diff --git a/python/shear-results.py b/python/shear-results.py
	t@@ -0,0 +1,93 @@
	+#!/usr/bin/env python
	+import matplotlib
	+matplotlib.use('Agg')
	+matplotlib.rcParams.update({'font.size': 18, 'font.family': 'serif'})
	+import shutil
	+
	+import os
	+import numpy
	+import sphere
	+from permeabilitycalculator import *
	+import matplotlib.pyplot as plt
	+
	+#sigma0_list = numpy.array([1.0e3, 2.0e3, 4.0e3, 10.0e3, 20.0e3, 40.0e3])
	+sigma0 = 10.0e3
	+cvals = [1.0, 0.1]
	+c_phi = 1.0
	+
	+shear_strain = [[], [], []]
	+friction = [[], [], []]
	+dilation = [[], [], []]
	+
	+fluid=True
	+
	+# dry shear
	+sid = 'shear-sigma0=' + str(10.0e3)
	+sim = sphere.sim(sid)
	+sim.readlast()
	+sim.visualize('shear')
	+shear_strain[0] = sim.shear_strain
	+friction[0] = sim.tau/sim.sigma_eff
	+dilation[0] = sim.dilation
	+
	+# wet shear
	+c = 1
	+for c in numpy.arange(1,len(cvals)+1):
	+ c_grad_p = cvals[c-1]
	+
	+ sid = 'shear-sigma0=' + str(sigma0) + '-c_phi=' + \
	+ str(c_phi) + '-c_grad_p=' + str(c_grad_p) + \
	+ '-hi_mu-lo_visc'
	+ if os.path.isfile('../output/' + sid + '.status.dat'):
	+
	+ sim = sphere.sim(sid, fluid=fluid)
	+ shear_strain[c] = numpy.zeros(sim.status())
	+ friction[c] = numpy.zeros_like(shear_strain[c])
	+ dilation[c] = numpy.zeros_like(shear_strain[c])
	+
	+ sim.readlast()
	+ sim.visualize('shear')
	+ shear_strain[c] = sim.shear_strain
	+ friction[c] = sim.tau/sim.sigma_eff
	+ dilation[c] = sim.dilation
	+ else:
	+ print(sid + ' not found')
	+
	+ # produce VTK files
	+ #for sid in sids:
	+ #sim = sphere.sim(sid, fluid=True)
	+ #sim.writeVTKall()
	+ c += 1
	+
	+fig = plt.figure(figsize=(8,8))
	+
	+#plt.subplot(3,1,1)
	+#plt.ticklabel_format(style='sci', axis='y', scilimits=(0,0))
	+
	+ax1 = plt.subplot(211)
	+ax2 = plt.subplot(212, sharex=ax1)
	+ax1.plot(shear_strain[0], friction[0], label='dry')
	+ax2.plot(shear_strain[0], dilation[0], label='dry')
	+
	+for c in numpy.arange(1,len(cvals)+1):
	+ ax1.plot(shear_strain[c], friction[c], label='$c$ = %.2f' % (cvals[c-1]))
	+ ax2.plot(shear_strain[c], dilation[c], label='$c$ = %.2f' % (cvals[c-1]))
	+ #plt.plot(dpdz[c], K[c], 'o-', label='$c$ = %.2f' % (cvals[c]))
	+ #plt.semilogx(dpdz[c], K[c], 'o-', label='$c$ = %.2f' % (cvals[c]))
	+ #plt.semilogy(dpdz[c], K[c], 'o-', label='$c$ = %.2f' % (cvals[c]))
	+ #plt.loglog(dpdz[c], K[c], 'o-', label='$c$ = %.2f' % (cvals[c]))
	+ax2.set_xlabel('Shear strain [-]')
	+ax1.set_ylabel('Shear friction $\\tau/\\sigma\'$ [-]')
	+ax2.set_ylabel('Dilation $\\Delta h$ [m]')
	+plt.setp(ax1.get_xticklabels(), visible=False)
	+ax1.grid()
	+ax2.grid()
	+ax1.legend(loc='lower right', prop={'size':18})
	+ax2.legend(loc='lower right', prop={'size':18})
	+
	+plt.tight_layout()
	+filename = 'shear-10kPa-stress-dilation.pdf'
	+#print(os.getcwd() + '/' + filename)
	+plt.savefig(filename)
	+shutil.copyfile(filename, '/home/adc/articles/own/2-org/' + filename)
	+print(filename)