Abstract
Wrinkling phenomena of membrane, which include highly geometrical nonlinearity, are analyzed for future large space structures with membranes. Using mixed interpolation of tensorial components (MITC) shell elements, out-of-plane properties of wrinkled membrane, which could not obtained by the conventional tension field theory, are investigated. Various characteristics of a circular membrane with a center rotation hub are clarified; the effects of initial stress, membrane thickness and structural features on its wrinkled region are shown, and the number of wrinkles and out-of-plane deformation are presented. Difference of wrinkled region from these obtained by the tension field theory are also discussed.
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