... Shanmugam, N.E. (1998), Advanced inelastic analysis of thin-walled core-braced frames, Proc. of the 2nd International Conference on Thin-Walled Structures, Dec. 2-4 , 1998, Singapore. Liew, J.Y.R., ... one obtains the Galerkin equation fL(y)sin az dz=O 2H in which Eclc ~ . Kbq L(y)= EclcY'V + qz- Kb - Kb ~cI~ ) y + qY&apos ;-~ l~ ~(y- rl)dr Substituting Eqns. (3.24) and (3.21) into Eqn. ... moment of inertia of beam; Yb ~ is the first Advanced Inelastic Analysis of Spatial Structures 181 Fig. 2 Four-parameter power model Fig. 1 Thin-walled beam-column element Fig. 3 Beam-to-column...