Halpin-Tsai Model for Shear Modulus Calculator Leave a Comment / By GULSHAN SHAFI / February 27, 2024 Halpin-Tsai Model is a Predicts composite shear modulus using fiber and matrix properties.The formula is given by: Where: Gcomposite​ is the shear modulus of the composite material. Gf​ is the shear modulus of the fiber. Gm​ is the shear modulus of the matrix. Related