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Form finding and optimization: Getting the best of both worlds to design lightweight structures

par Descamps, Benoît ;Filomeno Coelho, Rajan
Référence Journal of the International Association for Shell and Spatial Structures, 55, 4, page (213-221)
Publication Publié, 2014-12

Article révisé par les pairs

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Résumé :

This paper proposes a practical computational method for shaping lightweight structures made of discrete components. Previously proposed methods for designing such structures either focus on finding an equilibrated form, or are generally restricted to relatively small optimization applications. In this work, the complementary concepts of form finding and optimization are merged within a unified formulation: the general design problem is stated by discrete layout optimization whereas the force density equations are used to govern the equilibrium. The resulting formulation can address designs of lightweight structures including thousands of design settings and project constraints. Three real-world applications illustrate the capabilities of the proposed method.