New problem

src/one-body-sample.parset

 # -*- mode:conf -*-
-timesteps = 500
+timesteps = 60
 
 verbose = false
 printEvolution = true
@@ -13,7 +13,7 @@ enable = false
 iterations = 50
 
 [grid]
-refinements = 4
+refinements = 6
 
 [body]
 E = 1e6
@@ -24,12 +24,12 @@ nu = 0.3 # Needs to be strictly below 0.5; the closer we get, the
          # tougher the problem. But we do have convergence!
 
 [solver]
-tolerance = 1e-12
+tolerance = 1e-14
 
 [solver.tnnmg]
 use = true
 maxiterations = 1000000
-fixed_point_iterations = 50
+fixed_point_iterations = 20
 
 [solver.tnnmg.linear]
 maxiterations = 1000000
@@ -82,7 +82,7 @@ initial = 0
 # Continuum mathematical modeling of slip weakening in geological systems
 a = 0.015
 b = 0.005
-L = 1e-9
+L = 1e-8
 
 # The second-order a and b terms in [..] are very important in
 # determining whether sliding is stable or unstable and (in appli-