Do you have the book Aircraft Structures by David J. Peery and J. J. Azar?
Look in the section for shear flow (5.5 of 2nd ed.). It is not directly canopy, but gives theory to determine stresses that would appear in the canopy.
Hi,
A canopy is basically a thin shell subject to distributed loads (internal pressure and external aerodynamic pressure.
It should therefore be analyzed as a shell. The best tool for this is finite element analysis.
A good article on this subject is "Finite Element Modelling of a Fighter Aircraft Canopy Acrylic Panel" by John L. Labra in the Journal of Aircraft, Vol 19, Number 6 (1982).