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	tadd script to analyze peak and ultimate shear friction values - sphere - GPU-b…
	git clone git://src.adamsgaard.dk/sphere
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	---
	commit 00f5e0875755ad2b080b0bb70d4090450f336c49
	parent f6e31138270bf4cb5bd9c7a1682cfcf9d027bcd1
	Author: Anders Damsgaard <[email protected]>
	Date: Wed, 8 Oct 2014 12:18:41 +0200

	add script to analyze peak and ultimate shear friction values

	Diffstat:
	A python/shear-results-strength.py \| 41 +++++++++++++++++++++++++++++…

	1 file changed, 41 insertions(+), 0 deletions(-)
	---
	diff --git a/python/shear-results-strength.py b/python/shear-results-strength.py
	t@@ -0,0 +1,41 @@
	+#!/usr/bin/env python
	+import sphere
	+import numpy
	+
	+'''
	+Print a table of peak and ultimate shear strengths of the material
	+'''
	+
	+baseid = 'halfshear-sigma0=20000.0'
	+
	+
	+
	+
	+def print_strengths(sid, fluid=False, c=0.0):
	+ sim = sphere.sim(sid, fluid=fluid)
	+
	+ sim.readfirst(verbose=False)
	+ sim.visualize('shear')
	+
	+ friction = sim.tau[1:]/sim.sigma_eff[1:]
	+ tau_peak = numpy.max(friction)
	+ tau_ultimate = numpy.average(friction[-500:-1])
	+
	+ if fluid:
	+ print('%.2f \t %.3f \t %.3f' % (c, tau_peak, tau_ultimate))
	+ else:
	+ print('dry \t %.3f \t %.3f' % (tau_peak, tau_ultimate))
	+
	+ return friction
	+
	+
	+
	+
	+# print header
	+print('$c$ [-] \t Peak \\tau/\\sigma\' [-] \t Ultimate \\tau/\\sigma\' [-]')
	+f = print_strengths(baseid + '-shear', fluid=False)
	+f = print_strengths(baseid + '-c=1.0-shear', fluid=True, c=1.0)
	+f = print_strengths(baseid + '-c=0.1-shear', fluid=True, c=0.1)
	+
	+
	+