ADDED   mttroot/mtt/lib/cr/r/SS.cr
Index: mttroot/mtt/lib/cr/r/SS.cr
==================================================================
--- /dev/null
+++ mttroot/mtt/lib/cr/r/SS.cr
@@ -0,0 +1,3 @@
+%% A dummy constitutive relationship file for SS 
+
+END: