The Structural Engineer > Archive > Volume 58 (1980) > Issues > Issue 15 > Lateral and Torsional Analysis of Spatial Wall Systems using Higher Order Elements
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Lateral and Torsional Analysis of Spatial Wall Systems using Higher Order Elements

A simple and convenient method using higher order finite elements is proposed for the non-planer analysis of laterally loaded spatial wall systems consisting of core and shear walls arranged arbitrarily in plan and interconnected by spandrel beams in a high-rise building. The formulation of the 3-dimensional stiffness matrix of the higher order plane stress rectangular elements and of the structural assembly, including the effects of the constraint of the spandrel beams and the torsion and warping of the walls, is presented. An open section non-planar coupled shear wall is analysed to demonstrate the accuracy and simplicity of the method. H.C. Chan and Y. K. Cheung