MT-1620 al.2002 e.g 2E Coupling term: extensional strains to shear stress or shear strains to extensional stresses 112E2122312 1113-2213-3313 E123E22E323 12-1211℃1 2E 1123023 a material which behaves in this manner is"fully anisotropic However, there are currently no useful engineering materials which have 21 different and independent components of emnpq The type"of material (with regard to elastic behavior) dictates the number of independent components of Empa Paul A Lagace @2001 Unit 4 -p. 13MIT - 16.20 Fall, 2002 e.g., σ12 = … 2E1223 ε23 … • Coupling term: extensional strains to shear stress or shear strains to extensional stresses E1112 E2212 E3312 E1113 E2213 E3313 E1123 E2223 E3323 e.g., σ12 = …E1211 ε11… 11 σ = …2E1123 ε23… A material which behaves in this manner is “fully” anisotropic However, there are currently no useful engineering materials which have 21 different and independent components of Emnpq The “type” of material (with regard to elastic behavior) dictates the number of independent components of Emnpq: Paul A. Lagace © 2001 Unit 4 - p. 13