Change and back up default values

src/one-body-sample.parset

-timesteps = 1000
+# -*- mode:conf -*-
+timesteps = 100
 
 [grid]
 refinements = 5
 
 [body]
-E = 1e4
+E = 1e5
+# "Most steels and rigid polymers when used within their design limits
+# (before yield) exhibit values of about 0.3"
+# -- http://en.wikipedia.org/wiki/Poisson's_ratio
 nu = 0.3
 
 [solver]
-maxiterations = 100000
-tolerance = 1e-6
+maxiterations = 1000000
+tolerance = 1e-8
 
 [localsolver]
-steps = 5
+steps = 1
 
 [bisection]
 requiredResidual = 1e-12
 
 [boundary.friction]
 normalstress = 0.1
-mu = 0.75
+# "Most dry materials in combination have friction coefficient values
+#  between 0.3 and 0.6"
+# -- http://en.wikipedia.org/wiki/Friction#Coefficient_of_friction
+# "mu_0 is the nominal coefficient of friction that has values near 0.6"
+# -- James H. Dieterich and Brian Kilgore: Implications of fault
+#    constitutive properties for earthquake prediction
+#    http://earthquake.usgs.gov/research/physics/lab/prediction.pdf
+mu = 0.5
 eta = 1
-model = Laursen
+model = Ruina
 
 [boundary.friction.ruina]
-a = 0.0015
+a = 0.015