An imposed displacement field on a square geometry is given by u(x, y) = 1 + 3x + 4x 3 + 6xy 2 v(x, y) = xy − 7x 2 a) Determine the expressions for xx, yy and xy. What will be xy. b) Find the strain tensor at point (1,1) assuming plane strain case. c) Calculate the stress tensor at point (1,1) assuming plane strain case.

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