Layout optimization of transmission line family structures

被引:5
作者
Deichmann, Alexandre [1 ]
Fadel Miguel, Leandro Fleck [1 ]
Lopez, Rafael Holdorf [1 ]
Torii, Andre Jacomel [2 ]
Pimenta, Joel Vitor [3 ]
机构
[1] Univ Fed Santa Catarina, Dept Civil Engn, Rua Joao Pio Duarte Silva Sn, BR-88037000 Florianopolis, SC, Brazil
[2] Fed Univ Latin Amer Integrat, Latin Amer Inst Technol, Av Tancredo Neves, BR-85867900 Foz Do Iguacu, Parana, Brazil
[3] Copel Geracao & Transmissao SA, COPEL GT, Rua Jose Izidoro Biazetto 158, BR-81200240 Curitiba, Parana, Brazil
关键词
Transmission line towers; Optimization; Tower family; Master-slave scheme; Geometric nonlinear analysis; TOPOLOGY OPTIMIZATION; TRUSS-STRUCTURES; DESIGN; TOWERS; STEEL; SHAPE; SIZE;
D O I
10.1007/s40430-022-03381-6
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Due to topography conditions, transmission line towers (TLTs) with different heights are required to the same transmission line. To ease industrial production, the supports are designed in components such as basic body, body extensions, and legs. This modulation is the so-called structure family, which leads to a cost-effective global procedure. Nevertheless, a comprehensive literature survey reveals that the TLTs optimization studies carried out hitherto have been focused only on the tallest structure using linear analysis. Hence, the procedure proposed by de Souza et al. (Eng Struct 111:162-184, 2016) is expanded, and general rules for template creation are proposed to the entire set of the support components, such as inclined tower body, tower top, body extensions, and legs. Then, because of the very high computational time required for the layout optimization of TLTs families, this article proposes a master-slave-based procedure for this purpose. It ensures weight reductions while saving substantial processing time. Moreover, a geometric nonlinear analysis is called in the final solution to minor corrections in some elements, mainly due to the slender structures determined in the optimization. The scheme is performed on an actual tower family, showing that it can reduce up to 7% of the global family mass compared to the original design's size optimization.
引用
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页数:15
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