Inderscience Publishers

Overall stiffness evaluation and shape optimisation of a tensegric structure

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The present paper promotes a shape optimisation method for maximum overall stiffness of a tensegric structure, and reports a study on the overall stiffness of a tensile structure. General reduced gradient method is adopted for the shape optimisation, and a tensegric dome is taken as an example for the numerical demonstration. The results of numerical analysis show that the nodal displacements of the example decreases from 20%-30% compared to that of the initial shape.

Keywords: shape optimisation, tensegrity, tensile structures, cable dome, minimum displacement, maximum stiffness, overall stiffness, tensegric structures, nodal displacement, reduced gradient, structural engineering

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