Search Results - "Xu, Guoji"

Mechanical and thermal properties of fly ash based geopolymers by Fan, Fenghong, Liu, Zhen, Xu, Guoji, Peng, Hui, Cai, C.S.

“…•Preparation of high compressive strength geopolymer with fly ash.•Studying the thermal behavior of fly ash based geopolymer.•Investigating the microstructural…”
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Numerical simulations of lateral restraining stiffness effect on bridge deck–wave interaction under solitary waves by Xu, Guoji, Cai, C.S.

“…•A numerical methodology is developed to study the bridge decks with different flexibilities.•The proposed methodology is verified with analytical results and…”
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Optimal tuned mass dampers for wind turbines using a Sigmoid satisfaction function‐based multiobjective optimization during earthquakes by Chen, Xin, Kareem, Ahsan, Xu, Guoji, Wang, Hao, Sun, Yong, Hu, Liang

“…Recent installation of many wind turbines in earthquake‐prone areas worldwide has increased concerns regarding their seismic performance. This study introduces…”
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A Hybrid Surrogate Model for the Prediction of Solitary Wave Forces on the Coastal Bridge Decks by Wang, Jinsheng, Xue, Shihao, Xu, Guoji

“…To facilitate the establishment of the probabilistic model for quantifying the vulnerability of coastal bridges to natural hazards and support the associated…”
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Wave dissipation effect of a new combined breakwater and its protective performance for coastal box girder bridges by Leng, Shuangjin, Xue, Shihao, Jin, Yuanjie, Xu, Guoji, Xie, Weibo

“…Breakwaters play an important role in in mitigating wave-induced damage to marine structures. However, conventional submerged breakwaters often exhibit limited…”
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A Novel Canopy Drag Coefficient Model for Analyzing Urban Wind Environments Based on the Large Eddy Simulation by Shen, Lian, Han, Yan, Xu, Guoji, Cai, Chunsheng, Yang, Ying, Hua, Xugang

“…It is very challenging to capture the drag effects for the computational fluid dynamics numerical simulations of the urban canopy wind environment. This study…”
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Bridge vibration under complex wind field and corresponding measurements: A review by Enbo Yu, Guoji Xu, Yan Han, Peng Hu, Jamie F. Townsend, Yongle Li

“…Due to increased demands in transportation development, bridge construction has been extended to areas with complex wind fields. In addition to common flow…”
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State-of-the-art and annual progress of bridge engineering in 2021 by Zhao, Renda, Zheng, Kaifeng, Wei, Xing, Jia, Hongyu, Li, Xiaozhen, Zhang, Qinghua, Xu, Guoji, Zhan, Yulin, Shen, Ruili, Zhang, Fang, Pu, Qianhui, Gou, Hongye, Yu, Chuanjin

“…Bridge construction is one of the cores of traffic infrastructure construction. To better develop relevant bridge science, this paper introduces the main…”
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Wind tunnel tests of 3D wind loads on tall buildings based on torsional motion-induced vibrations by Zou, Lianghao, Xu, Guoji, Cai, C S, Liang, Shuguo

“…This paper presents the experimental results of the wind tunnel tests for three symmetric, rectangular, tall building models on a typical open terrain…”
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Discussion of “Numerical Investigation of Connection Forces of a Coastal Bridge Deck Impacted by Solitary Waves” by Yalong Cai, A. Agrawal, Ke Qu, and H. S. Tang by Xu, Guoji

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Wind tunnel tests of 3D wind loads on tall buildings based on torsional motion-induced vibrations by Zou, Lianghao, Xu, Guoji, Cai, C.S, Liang, Shuguo

“…This paper presents the experimental results of the wind tunnel tests for three symmetric, rectangular, tall building models on a typical open terrain…”
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AKSE: A novel adaptive Kriging method combining sampling region scheme and error-based stopping criterion for structural reliability analysis by Wang, Jinsheng, Xu, Guoji, Li, Yongle, Kareem, Ahsan

“…The reliability analysis of complex structures usually involves implicit performance function and expensive-to-evaluate computational models, which pose a…”
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Efficient structural reliability analysis based on adaptive Bayesian support vector regression by Wang, Jinsheng, Li, Chenfeng, Xu, Guoji, Li, Yongle, Kareem, Ahsan

“…To reduce the computational burden for structural reliability analysis involving complex numerical models, many adaptive algorithms based on surrogate models…”
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Determination and evaluation of Holmquist-Johnson-Cook constitutive model parameters for ultra-high-performance concrete with steel fibers by Wan, Wenzheng, Yang, Jian, Xu, Guoji, Liu, Yikang

“…•Key parameters of HJC constitutive model for UHPC with steel fibers are determined.•These parameters are comprehensively calibrated based on existing test…”
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An efficient short-term wind speed prediction model based on cross-channel data integration and attention mechanisms by Yu, Enbo, Xu, Guoji, Han, Yan, Li, Yongle

“…With the growing focus on renewable energy, wind power is increasingly valued and advocated. In order to guarantee the stability of wind power system dispatch…”
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An efficient and versatile Kriging-based active learning method for structural reliability analysis by Wang, Jinsheng, Xu, Guoji, Yuan, Peng, Li, Yongle, Kareem, Ahsan

“…In structural reliability analysis, the development of an efficient and versatile active learning method applicable to problems of varying complexities remains…”
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A short-term wind speed prediction method utilizing novel hybrid deep learning algorithms to correct numerical weather forecasting by Han, Yan, Mi, Lihua, Shen, Lian, Cai, C.S., Liu, Yuchen, Li, Kai, Xu, Guoji

“…•A novel hybrid short-term wind speed prediction method is proposed to correct numerical weather forecasting (WRF).•Feature selection and decomposition are…”
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An alternative aerodynamic mitigation measure for improving bridge flutter and vortex induced vibration (VIV) stability: Sealed traffic barrier by Bai, Hua, Ji, Naichuan, Xu, Guoji, Li, Jiawu

“…This study proposes an alternative aerodynamic mitigation measure, i.e., sealed traffic barrier, for bridges and verifies its efficacy in improving the flutter…”
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Contribution of the second mode to wind-induced response of prismatic tall buildings by Zou, Lianghao, Qiu, Faqiang, Xu, Guoji, Shi, Tianyi, Kareem, A.

“…An increase in the height of tall buildings generally results in lower natural frequencies, which may increase their sensitivity to wind-induced effects,…”
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Failure mechanism and vulnerability assessment of coastal box-girder bridge with laminated rubber bearings under extreme waves by Xu, Yong, Xu, Guoji, Xue, Shihao, Wang, Jinsheng, Li, Yongle

“…Coastal box-girder bridges have wide applications in the near-shore transportation systems and many low-lying bridges are under serious threats from extreme…”
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