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This paper deals with the control of mesh distortions which may appear during the form finding procedure of membrane design. The reason is the unbalance of surface stresses either due to the interaction of edge and surface or incompatibilities along the sewing lines of adjacent membrane patches. An approach is presented which is based on a rational modification of the surface tension field. The criterion...
Free form shells optimized for stiffness under given loading and membrane structures act in a pure membrane state of stresses, either because bending is minimized or not even present by definition. Physical experiments as soap films and hanging models have been used since centuries to generate optimal shapes of membranes in tension and shells in compression. The paper presents numerical methods to...
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