MT-1620 Fall 2002 4 4101-14202-146 G Note: can reduce these for orthotropic, isotropic (etc ) as before Strain-Displacement Primary ou 11 au 12 2 Paul A Lagace @2001 UnitMIT - 16.20 Fall, 2002 1 ε4 = G4 [− η41 σ1 − η42 σ2 − η46σ6 ] 1 ε5 = G5 [−η51 σ1 − η52σ2 − η56σ6 ] Note: can reduce these for orthotropic, isotropic (etc.) as before. Strain - Displacement Primary ε11 = ∂u1 (6) ∂y1 ε22 = ∂u2 (7) ∂y2 ε12 = 1  ∂u1 + ∂u2  (8) 2  ∂y2 ∂y1  Paul A. Lagace © 2001 Unit 6 - p. 6