Change the material parameters. In particular

- set mu_c to 0
- introduce the shear correction factor 'kappa'

[[Imported from SVN: r8328]]

cosserat-continuum.parset

@@ -48,19 +48,23 @@ thickness = 0.05
 
 # Lame parameters
 # corresponds to E = 1e6, nu=0.3
-#mu = 3.8462e+05
-#lambda = 2.7149e+05
-mu = 1
-lambda = 1
+mu = 3.8462e+05
+lambda = 2.7149e+05
+#mu = 1
+#lambda = 1
 
 # Cosserat couple modulus
 mu_c = 0
+#mu_c = 3.8462e+05
 
 # Length scale parameter
-L_c = 1
+L_c = 0.1
 
 # Curvature exponent
-q = 2.5
+q = 2
+
+# Shear correction factor
+kappa = 1
 
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