A tensegrity structure for a solar stadium roof with sun-tracking capability

IF 6.6 1区工程技术 Q1 ENGINEERING, CIVIL Thin-Walled Structures Pub Date : 2025-05-01 Epub Date: 2025-02-11 DOI:10.1016/j.tws.2025.113033

Rana Nazifi Charandabi , Enrico Babilio , Gerardo Carpentieri , Giovanni Spagnuolo , Ada Amendola , Fernando Fraternali

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Abstract

This work presents a tensegrity design approach for a small-to-medium-sized sports stadium, equipped with sun-tracking solar modules on its roof. A novel V-Expander unit is used to create a modular roof structure, with members optimized using a minimal mass strategy. The stability of the entire stadium structure and the deflections of the cantilever roof are analyzed under vertical, seismic, and wind loads through detailed finite element analysis. Electrical power production is estimated over one year for the Salerno area. The results demonstrate that the tensegrity solar roof exhibits limited deflections and remarkable solar energy harvesting capabilities, utilizing sun-tracking strategies tailored to different sectors of the grandstands. This research paves the way for the design of multi-scale sports stadiums featuring sustainable, adaptive lightweight tensegrity structures. These systems employ sun-tracking photovoltaic modules that can be tilted by simply wrapping a bus cable around a winch.

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具有太阳跟踪能力的太阳能体育场屋顶的张拉整体结构

这项工作提出了一个中小型体育场馆的张拉整体设计方法，在其屋顶上配备了太阳跟踪太阳能模块。一种新颖的V-Expander单元用于创建模块化屋顶结构，其成员使用最小质量策略进行优化。通过详细的有限元分析，分析了整个体育场结构在竖向、地震和风荷载作用下的稳定性和悬臂屋顶的挠度。萨勒诺地区的电力产量估计超过一年。结果表明，张拉整体太阳能屋顶具有有限的偏转和卓越的太阳能收集能力，利用针对看台不同区域量身定制的太阳跟踪策略。本研究为多尺度体育场馆的可持续、自适应轻型张拉整体结构的设计铺平了道路。这些系统采用太阳跟踪光伏模块，可以通过简单地在绞车上缠绕一根总线电缆来倾斜。

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来源期刊

Thin-Walled Structures 工程技术-工程：土木

CiteScore

9.60

自引率

20.30%

发文量

801

审稿时长

66 days

期刊介绍： Thin-walled structures comprises an important and growing proportion of engineering construction with areas of application becoming increasingly diverse, ranging from aircraft, bridges, ships and oil rigs to storage vessels, industrial buildings and warehouses. Many factors, including cost and weight economy, new materials and processes and the growth of powerful methods of analysis have contributed to this growth, and led to the need for a journal which concentrates specifically on structures in which problems arise due to the thinness of the walls. This field includes cold– formed sections, plate and shell structures, reinforced plastics structures and aluminium structures, and is of importance in many branches of engineering. The primary criterion for consideration of papers in Thin–Walled Structures is that they must be concerned with thin–walled structures or the basic problems inherent in thin–walled structures. Provided this criterion is satisfied no restriction is placed on the type of construction, material or field of application. Papers on theory, experiment, design, etc., are published and it is expected that many papers will contain aspects of all three.