Plotting the strain and stress distribution

Question

Response to the following:

Plot the strain and stress distribution (?_x and σ_y) through the thickness of the bimetallic analyzed in Problem 1.

Problem 1: Compute the curvature of the bimetallic in Problem 2 when it is subjected to a change of temperature ?T = 10 ?C.

Problem 2: Compute the extensional [A], coupling [B], and bending stiffness [D] matrices of a bimetallic (copper and aluminum) strip with each lamina 2 mm thick. For aluminum E = 71 GP a, α = 23(10^-6 )/ ?C. For copper E = 119 GP a, α = 17(10^-6 )/ ?C.

Assume the Poisson's ratio is 0.3 for both materials.