Design of Innovative Web Structures Based on Spider Web Optimality Analysis

Heikki Martikka, Ilkka Pöllänen


In this study the basic mechanics and engineering principles are applied find out possible reasons for the optimality of a typical spider web. Physical models are formulated connecting the external loads to internal loads and with geometry and materials. Then optimum design methodology using fuzzy goal of maximising the product of satisfactions on chosen decision variables is applied to design a web. The decision variables are three. The first is web material volume which is defined using the FSD principle, the second is catch area, and the third is desirability to maintain only tensile forces. The optimal analytical and FEM model results agree well with experimental data in large side frame forces and less well in inner guy forces. Some industrial application possibilities are discussed.

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Mechanical Engineering Research   ISSN 1927-0607 (Print)   ISSN 1927-0615 (Online)

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