Continuum mechanics: Add long report for session 2

Change-Id: I597cf2f136f6cf7b7a2b771428d4cc4c8a7337d8
diff --git a/quad8/continuummechanics/lab/p2/informellarg/comparison_t_viscosity.dat b/quad8/continuummechanics/lab/p2/informellarg/comparison_t_viscosity.dat
new file mode 100644
index 0000000..086c6f9
--- /dev/null
+++ b/quad8/continuummechanics/lab/p2/informellarg/comparison_t_viscosity.dat
@@ -0,0 +1,5 @@
+# T mu_exp mu_bib reldiff
+20 977 765 28
+30 356 340 5
+40 164 166 1
+50 103 88.9 16