Preface On the Design Process of Tensile Structures; R Wagner Systems for Lightweight Structure Design: the State-of-the-Art and Current Developments; E. Moncrieff Recent Developments in the Analytical Design of Textile Membranes; L. Gr?ndig, D. Str?bel and P. Singer Finite Element Analysis of Membrane Structures; R.L. Taylor, E. O?ate and P.A. Ubach Applications of a Rotation-Free Triangular Element for Finite Strain Analysis of Thin Shells and Membranes;...