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Nima Khodadadi, Ehsan Harati, Francisco De Caso and Antonio Nanni
This article highlights the absence of published paradigms hybridized by The Cuckoo Search (CS) and Stochastic Paint Optimizer (SPO) for optimizing truss structures using composite materials under natural frequency constraints. The article proposes a nov...
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Renjie Liu, Tianchen Cheng, Pan Wen, Chao Wang and Guangyong Wang
Space truss structures are commonly used in long-span roof structures. Recently, middle-hung scoreboards (MHS), a kind of large-scale display device flexibly suspended in the center of the roof, have been widely used in gymnasiums. However, the effect of...
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Gebrail Bekdas, Melda Yucel and Sinan Melih Nigdeli
Truss structures are one of the major civil engineering members studied in the optimization research area. In this area, various optimization applications such as topology, size, cost, weight, material usage, etc., can be conducted for different truss st...
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Sadik Ozgur Degertekin, Mohammad Minooei, Lorenzo Santoro, Bartolomeo Trentadue and Luciano Lamberti
Metaheuristic algorithms currently represent the standard approach to engineering optimization. A very challenging field is large-scale structural optimization, entailing hundreds of design variables and thousands of nonlinear constraints on element stre...
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Tiago Hendrigo de Almeida, Amós Magalhães de Souza, Andreia Sofia Moreira Martins, André Luis Christoforo, Diego Henrique de Almeida, Francisco Antonio Rocco Lahr (Author)
Pág. e30913
Temperature in timber roof trusses structures can reach 60°C and significantly affect wood strength, compromising the structural mechanical performance. This study aimed at quantifying the influence of exposure time to the mentioned temperature in ...
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Changren Ke, Yihui Fan and Junling Jiang
In order to study the effect of the support mode of a staggered truss system on the continuous collapse resistance performance of a steel structure, four finite element models were established based on the bracing arrangement of a five-story steel frame ...
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Xianquan Wang, Yong Qiu, Jie Yuan, Dongyan Liu, Peiyu Shi, Chenchen Zhao, Shanyuan Xu and Tengfei Zhao
Spatial truss structures (STSs), serving as the bottom support structure of a cooling tower, effectively harness the superior load-bearing capacity offered by lattice-type truss structures. STSs are composed of main bars, diagonal bars, and horizontal ba...
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Zeynep Firat Alemdar and Fatih Alemdar
Corrosion damage is a serious problem in steel structures. The cross-sectional loss in the structural members due to corrosion reduces the load-carrying capacity of the members and the stability of their structures. In this study, the main reasons for th...
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Navid Nourian, Mamdouh El-Badry and Maziar Jamshidi
One of the primary objectives of truss structure design optimization is to minimize the total weight by determining the optimal sizes of the truss members while ensuring structural stability and integrity against external loads. Trusses consist of pin jo...
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Lei Xi, Jianmin Gao, Liang Xu, Zhen Zhao, Zhengheng Yang and Yunlong Li
In this study, different layout schemes for an X-shaped truss array channel are designed to explore the application of an X-shaped truss array structure in the mid-chord region of turbine blades. The flow and heat transfer performance of X-shaped truss a...
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Changren Ke and Qian Liu
The conventional sensitivity analysis method unanimously takes all remaining elements except the damaged ones as statistical objects, and element importance is evaluated by the mean value of the sensitive indices of statistical objects. However, from the...
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Élcio Cassimiro Alves, Larissa Bastos Martinelli
Pág. 321 - 334
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O. S. Raspopov
Pág. 125 - 133
The possibilities of applying logical machine, the method of initial parameters and associated matrixes into spatial vibration analysis of rod and beam constructions with continues parameters have been researched.
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Hong-Zhen Zhu, Jiang-Hai Wu and Yu-Dong Sun
The violent vibration of truss structures may cause fatigue, faults, or even an accident. Aiming to analyze the vibration power flow and transfer path of two-dimensional truss structures in the mid and high-frequency domain, this paper proposed a fast dy...
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Huaibo Yao, Yixin Huang, Wenlai Ma, Lei Liang and Yang Zhao
Joints are widely used in large deployable structures but show semi-rigidity due to performance degradation and some nonlinear factors affecting the structure?s dynamic characteristics. This paper investigates the influence of semi-rigid joints on the ch...
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Han-Sol Choi, Dong-Yeon Kim, Jeong-Hoon Park, Jae Hyuk Lim and Tae Seong Jang
In this study, a passive truss-link mechanism applicable to large-scale deployable structures was designed to achieve successful deployment in space. First, we simplified the selected truss-link mechanisms to the two-dimensional geometry and calculated t...
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Thu Huynh Van, Sawekchai Tangaramvong, Soviphou Muong and Phuc Tran Van
This paper proposes the use of enhanced comprehensive learning particle swarm optimization (ECLPSO), combined with a Gaussian local search (GLS) technique, for the simultaneous optimal size and shape design of truss structures under applied forces and de...
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Jan Pelczynski
The present paper discusses an innovative approach providing the solution sets of engineering structures with uncertain parameters. The approach is based on the properties of convex sets and can be applied to structures described by the system of algebra...
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Shilei Cao, Man Yang and Jian Liu
Due to its advantages of easy deployment and high stiffness-to-mass ratio, the utilization of truss structures for constructing large satellites presents an appealing solution for modern space missions, including Earth observation and astronomy. However,...
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Xiaotong Sun, Yu Xin, Zuocai Wang, Minggui Yuan and Huan Chen
This paper proposes the use of Gaussian Bayesian networks (GBNs) for damage detection of steel truss bridges by using the strain monitoring data. Based on the proposed damage detection procedure, a three-layer GBN model is first constructed based on the ...
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