Connectedness Criterion and the Unique Optimum of the Izo-Static Trusses,
TECHNICAL UNIV OF ISTANBUL (TURKEY)
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This paper deals with the uniqueness of the optimum of the least-weight izo-static elastic trusses which have given layouts and have members that are made of different materials. The trusses under consideration are subject to sets of static loads where the member cross-sectional areas, the member stresses and the nodal displacements are to remain within the prescribed bounds. Connectedness criterion is utilized to show the uniqueness of the optimum.