MT-1620 al.2002 0031 千1=0 dy 2 22 0032十 2=0(4-2) 2 13 do 0033 53=0(43) domn f=0 ym 2. Strain-Displacement(6) Based on geometric considerations Linear considerations (1.e, small strains only --we will talk about large strains later) (and infinitesimal displacements only) Paul A Lagace @2001 Unit 4-p.3MIT - 16.20 Fall, 2002 ∂σ11 + ∂σ21 + ∂σ31 + f1 = 0 (4-1) ∂y1 ∂y2 ∂y3 ∂σ12 + ∂σ22 + ∂σ32 + f2 = 0 (4-2) ∂y1 ∂y2 ∂y3 ∂σ13 + ∂σ23 + ∂σ33 + f3 = 0 (4-3) ∂y1 ∂y2 ∂y3 ∂ ∂ + σmn m n y f = 0 2. Strain - Displacement (6) • Based on geometric considerations • Linear considerations (I.e., small strains only -- we will talk about large strains later) (and infinitesimal displacements only) Paul A. Lagace © 2001 Unit 4 - p. 3