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Assessment of novel nature-inspired fuzzy models for predicting long contraction scouring and related

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3, Pages 665-681 doi: 10.1007/s11709-021-0713-0

Abstract: optimization, biogeographical-based optimization, and invasive weed optimization for estimating the longcontraction scour depth.Thus, the proposed ANFIS-BBO is a capable cost-effective method for predicting long contraction scouring

Keywords： long contraction scour prediction uncertainty ANFIS model meta-heuristic algorithm

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Local resistance of fluid flow across sudden contraction in small channels

Hang GUO, Ling WANG, Jian YU, Fang YE, Chongfang MA, Zhuo LI,

Frontiers in Energy 2010, Volume 4, Issue 2, Pages 149-154 doi: 10.1007/s11708-009-0060-7

Abstract: The pressure drop caused by flow area contraction in microchannels has been experimentally studied inThe experimental results show that the abrupt contraction coefficient decreases with the Reynolds numberThe widely-applied correlation =0.5(1−) could not predict the contraction coefficient of turbulent

Keywords： microchannels pressure drop abrupt contraction loss coefficients

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Particle swarm optimization model to predict scour depth around a bridge pier

Shahaboddin SHAMSHIRBAND, Amir MOSAVI, Timon RABCZUK

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4, Pages 855-866 doi: 10.1007/s11709-020-0619-2

Abstract: Scour depth around bridge piers plays a vital role in the safety and stability of the bridges.The former approaches used in the prediction of scour depth are based on regression models or black boxaims to develop new equations using particle swarm optimization as a metaheuristic approach to predict scourMoreover, sensitivity analysis is conducted to achieve the most effective parameters in the estimation of scourThe derived equations can be used as a suitable proxy to estimate scour depth in both experimental and

Keywords： scour depth bridge design and construction particle swarm optimization computational mechanics artificial

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A Parallel Evolutionary Algorithm Based on Space Contraction

Wang Tao,LiQiqiang

Strategic Study of CAE 2003, Volume 5, Issue 3, Pages 57-61

Abstract:

A novel algorithm which is based on space contraction for solving MINLP problems is proposed.

Keywords： space contraction evolutionary algorithms MINLP

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Numerical modeling of current-induced scour around multi-wall foundation using large-eddy simulation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4, Pages 546-565 doi: 10.1007/s11709-023-0943-4

Abstract: However, research concerning the scour mechanism of multi-wall foundations (MWFs) remains scarce, hinderingfour MWFs with different wall arrangements and inflow angles, including the flow field analysis and scourIt was found that the maximum scour depth of MWFs with an inflow angle of 0° was smaller than that ofMeanwhile, changing the inflow angle significantly affects the scour characteristics of MWFs arranged

Keywords： multi-wall foundation current-induced scour bridge foundation large-eddy simulation numerical analysis

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An Enhanced Physically Based Scour Model for Considering Jet Air Entrainment

Rafael Duarte,António Pinheiro,Anton J. Schleiss

Engineering 2016, Volume 2, Issue 3, Pages 294-301 doi: 10.1016/J.ENG.2016.03.003

Abstract: plunge pools impacted by high-velocity jets, this study presents adaptations of a physically based scourThe modifications regarding jet aeration are implemented in the Comprehensive Scour Model (CSM), allowingit to reproduce the physical-mechanical processes involved in scour formation concerning the three phasesThe modified model is applied to the case of the observed scour hole at the Kariba Dam, with good agreement

Keywords： Air entrainment Uplift Rock scour Dam safety High-velocity jets Block stability Scour assessment

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Crk-associated substrate, vascular smooth muscle and hypertension

TANG Dale

Frontiers of Medicine 2008, Volume 2, Issue 4, Pages 323-331 doi: 10.1007/s11684-008-0062-6

Abstract: Contraction stimulation induces CAS phosphorylation on Tyr-410 in arterial smooth muscle, creating the

Keywords： Contraction stimulation phosphatase-proline molecular structure discovered hypertension

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Design and construction of scour protection for deep-water group pile foundation structures of two pylons

He Ping,Guan Yijun,Zhang Xiongwen,Zhang Qun,Zhou Jianhua

Strategic Study of CAE 2009, Volume 11, Issue 3, Pages 44-50

Abstract: description of deep-water group pile foundation, the paper analyzed impact to the bridge safety introduced by scourand its protection and further presentsed different solutions of scour protection for foundation structures

Keywords： Sutong Bridge deep-water group piles scour protection design and construction

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Wave Current Force Action and Foundation Scour of Marine Bridges

Li Yongle , Fang Chen , Qiu Fang , Tang Haojun , Hu Yong , Xia Yunfeng , Wei Kai , Wu Lianhuo , Yang Shaolin , Xiang Qiqi

Strategic Study of CAE 2019, Volume 21, Issue 3, Pages 18-24 doi: 10.15302/J-SSCAE-2019.03.011

Abstract: paper sorts out the major problems faced by marine bridges in terms of wave force action and foundation scourenvironmental prediction and pre-warning systems, research on multi-factor coupling effect of environment, scour

Keywords： marine bridge wave current force foundation scour

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Alluvial channel hydrodynamics around tandem piers with downward seepage

Rutuja CHAVAN, Wenxin HUAI, Bimlesh KUMAR

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6, Pages 1445-1461 doi: 10.1007/s11709-020-0648-x

Abstract: In this paper, we report the turbulent flow structures and the scour geometry around two piers with differentStreamwise velocity was found to be maximum near the bed downstream of the piers and at the edge of the scourThe reduction percentages of scour depth at the rear pier compared with the front one were approximately

Keywords： scour seepage Strouhal number tandem arrangement turbulent characteristics

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Control mode selection for modal control of long-span arch bridge

Zhengying LI, Zhengliang LI,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4, Pages 401-406 doi: 10.1007/s11709-009-0052-z

Abstract: For seismic control of arch bridge, a model reduction of long-span arch bridge was implemented basedThe numerical results show that the method of maximal modal displacement better analyze long-span arch

Keywords： selection reduced-order excitation long-span simplified

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State-of-the-art of long-span bridge engineering in China

XIANG Haifan, GE Yaojun

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4, Pages 379-388 doi: 10.1007/s11709-007-0051-x

Abstract: paper introduces the state-of-the-art of longspan bridge engineering in China with emphases on recent long-spanbridge projects, bridge deck configuration and material, design codes of long-span bridges and improvement

Keywords： bridge engineering state-of-the-art long-span bridge configuration improvement

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Diverting Seawater to Scour the Estuary and to Regulate the Lower Yellow River

Lin Bingnan,Zhou Jianjun,Zhang Ren

Strategic Study of CAE 2000, Volume 2, Issue 4, Pages 25-33

Abstract: This flow of “clear” seawater would strongly scour the channel downstream of Lijin and reduceMoreover, when the river dries up, the river mouth would most likely recede under the scour of the discharging

Keywords： diverting seawater scouring the Lower Yellow River above-the-ground river water resources

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Design and construction of super-long span bridges in China: Review and future perspectives

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4, Pages 803-838 doi: 10.1007/s11709-020-0644-1

Abstract: Super-long span bridges demand high design requirements and involve many difficulties when constructedOver the past three decades, a large percentage of the new long-span bridges around the world were builtand construction practices of the superstructure, the substructure, and the steel deck paving of the long-spanbridges during the past decades as well as the current operation status of the existing long-span bridgestechnology, which is expected to guide the development direction for the construction of future super long-span

Keywords： long-span bridges steel box girder design technology construction technology review and future perspectives

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Stabilization-based soil remediation should consider long-term challenges

Zhengtao Shen, Zhen Li, Daniel S. Alessi

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 2, doi: 10.1007/s11783-018-1028-9

Abstract: However, there are emerging challenges regarding the long-term performance of the technology, which maystem from a research gap regarding the development of accurate, quantitative laboratory simulations of long-termTherefore, field trials coupled with long-term monitoring are critical to further verify conditions underSustainability is also an important factor affecting the long-term stability of site remediation.

Keywords： Stabilization Soil remediation Long-term Trace metals