29-01-09

I have determined that d3 is not a departure from the "s" unit vector of the traditional kenematicians (everyone but Antman). d3 and "s" are identical.
The big question remaining---which Antman does not address at all---is how do we calculate shear deformation? D1s(r(s,t)---d3---is the slope in global coordinates and D2s(r(s,t)) is "u"; there is no method to calculate shear deformation.