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Extreme-scale parallel computing: bottlenecks and strategies None

Ze-yao MO

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 10,   Pages 1251-1260 doi: 10.1631/FITEE.1800421

Abstract:

Extreme-scale numerical simulations seriously demand extreme parallel computing capabilities.analyze the major bottlenecks of parallel computing research from three perspectives: computational scale

Keywords： Extreme scale     Numerical simulation     Parallel computing     Supercomputers    

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strength prediction and optimization design of sustainable concrete based on squirrel search algorithm-extreme

Frontiers of Structural and Civil Engineering   Pages 1310-1325 doi: 10.1007/s11709-023-0997-3

Abstract: traditional compressive strength test, this study combines five novel metaheuristic algorithms with extremeThe results indicated that the squirrel search algorithm-extreme gradient boosting (SSA-XGB) yielded

Keywords： sustainable concrete     fly ash     slay     extreme gradient boosting technique     squirrel search algorithm    

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Extreme weather/climate events and disaster prevention and mitigation under global warming background

Zhai Panmao,Liu Jing

Strategic Study of CAE 2012, Volume 14, Issue 9,   Pages 55-63

Abstract:

The definitions of extreme weather/climate events and "climate extremeOn the basis of classifying the extreme events into four categories (namely extremes caused by variationssingle variable, events related to weather phenomena,compound events and climate extremes), the related extremeMeanwhile, it is also necessary to strengthen engineering defense measures based on changes in extreme

Keywords： extreme climate indices     high impacts     meteorological disasters     engineering    

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Concrete corrosion in wastewater systems: Prediction and sensitivity analysis using advanced extreme

Mohammad ZOUNEMAT-KERMANI, Meysam ALIZAMIR, Zaher Mundher YASEEN, Reinhard HINKELMANN

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 444-460 doi: 10.1007/s11709-021-0697-9

Abstract: The models include three different types of extreme learning machines, including the standard, onlinesequential, and kernel extreme learning machines, in addition to the artificial neural network, classificationThe online sequential extreme learning machine model demonstrated superior performance over the other

Keywords： sewer systems     environmental engineering     data-driven methods     sensitivity analysis    

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compressive strength of concrete containing micro-silica, nano-silica, and polypropylene fibers using extreme

Fatemeh ZAHIRI, Hamid ESKANDARI-NADDAF

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 821-830 doi: 10.1007/s11709-019-0518-6

Abstract: Many studies have evaluated the effects of additives such as nano-silica (NS), micro-silica (MS) and polymer fibers on optimizing the mechanical properties of concrete, such as compressive strength. Nowadays, with progress in cement industry provides, it has become possible to produce cement type I with strength classes of 32.5, 42.5, and 52.5 MPa. On the one hand, the microstructure of cement has changed, and modified by NS, MS, and polymers; therefore it is very important to determine the optimal percentage of each additives for those CSCs. In this study, 12 mix designs containing different percentages of MS, NS, and polymer fibers in three cement strength classes(CSCs) (32.5, 42.5, and 52.5 MPa) were designed and constructed based on the mixture method. Results indicated the sensitivity of each CSCs can be different on the NS or MS in compressive strength of concrete. Consequently, strength classes have a significant effect on the amount of MS and NS in mix design of concrete. While, polymer fibers don’t have significant effect in compressive strength considering CSCs.

Keywords： mixture method     compressive strength     nano-silica     micro-silica     polypropylene fibers    

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Liquid metal enabled combinatorial heat transfer science: toward unconventional extreme cooling

Xiao-Hu YANG, Jing LIU

Frontiers in Energy 2018, Volume 12, Issue 2,   Pages 259-275 doi: 10.1007/s11708-017-0521-3

Abstract: technologies and further advance the liquid metal cooling to an ever higher level in tackling more extreme

Keywords： combinatorial heat transfer     liquid metal     high flux cooling     thermal management    

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Historical Changes and Future Trends of Extreme Precipitation and High Temperature in China

Shu Zhangkang , Li Wenxin, Zhang Jianyun, Jin Junliang, Xue Qing, Wang Yintang, Hu Qingfang, Wang Guoqing

Strategic Study of CAE 2022, Volume 24, Issue 5,   Pages 116-125 doi: 10.15302/J-SSCAE-2022.05.014

Abstract:

Extreme events occur frequently in China against the background of globalUnderstanding the spatiotemporal variation of extreme events and predicting their future trends can provideCoupled Model Intercomparison Project Phase 6 (CMIP6), we analyzed the evolution characteristics of extremeprecipitation and high temperature events in China from 1975 to 2014, predicted the evolution of extremeTo mitigate the impact of climate change and cope with the risk of extreme events in the future,

Keywords： climate change     extreme event     CMIP6     extreme disaster response    

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Modeling of semi-rigid beam-to-column steel joints under extreme loading

C FANG, B A IZZUDDIN, A Y ELGHAZOULI, D A NETHERCOT

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 245-263 doi: 10.1007/s11709-013-0215-9

Abstract: Joints play an important role in providing ductility for steel-composite structures subject to extreme

Keywords： semi-rigid joint     component method     ductility     elevated temperature    

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Analysis and design of steel-concrete composite sandwich systems subjected to extreme loads

Kazi Md Abu SOHEL, Jat Yuen Richard LIEW, Min Hong ZHANG

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 278-293 doi: 10.1007/s11709-011-0120-z

Abstract: shear connectors were invented to prevent the separation of face plates from the concrete core under extreme

Keywords： blast load     composite structure     impact load     lightweight concrete     sandwich plate     J-hook connector    

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Extreme Engineering: Polarization in Product Development and Manufacturing

Andrew Kusiak

Engineering 2021, Volume 7, Issue 3,   Pages 282-284 doi: 10.1016/j.eng.2020.01.012

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The Lesson From Hurricane Katrina 2005——Risk Analysis for Coastal, Offshore, and Hydraulic Engineering

Liu Defu,Pang Liang,Xie Botao,Shi Hongda,Lu Yijun

Strategic Study of CAE 2007, Volume 9, Issue 10,   Pages 24-29

Abstract: text-align: justify;">Comparison among predicted hurricane characteristics with the Poisson-Weibull compound extremevalue distribution proposed by the authors in 1982,  Poisson-nested logistic trivariate compound extremehurricane disaster prevention design criteria for New Orleans (proposed by NOAA) shows that the compound extreme

Keywords： Hurricane Katrina     compound extreme value distribution     multivariate compound extreme value distribution    

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Large deflection behavior effect in reinforced concrete columns exposed to extreme dynamic loads

Masoud ABEDINI, Azrul A. MUTALIB, Chunwei ZHANG, Javad MEHRMASHHADI, Sudharshan Naidu RAMAN, Roozbeh ALIPOUR, Tohid MOMENI, Mohamed H. MUSSA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 532-553 doi: 10.1007/s11709-020-0604-9

Abstract: Reinforced concretes (RC) have been widely used in constructions. In construction, one of the critical elements carrying a high percentage of the weight is columns which were not used to design to absorb large dynamic load like surface bursts. This study focuses on investigating blast load parameters to design of RC columns to withstand blast detonation. The numerical model is based on finite element analysis using LS-DYNA. Numerical results are validated against blast field tests available in the literature. Couples of simulations are performed with changing blast parameters to study effects of various scaled distances on the nonlinear behavior of RC columns. According to simulation results, the scaled distance has a substantial influence on the blast response of RC columns. With lower scaled distance, higher peak pressure and larger pressure impulse are applied on the RC column. Eventually, keeping the scaled distance unchanged, increasing the charge weight or shorter standoff distance cause more damage to the RC column. Intensive studies are carried out to investigate the effects of scaled distance and charge weight on the damage degree and residual axial load carrying capacity of RC columns with various column width, longitudinal reinforcement ratio and concrete strength. Results of this research will be used to assessment the effect of an explosion on the dynamic behavior of RC columns.

Keywords： RC column     scaled distance     blast load     LS-DYNA    

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Structure controlling and process scale-up in the fabrication of nanomaterials

Chunzhong LI,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 1,   Pages 18-25 doi: 10.1007/s11705-009-0305-3

Abstract: The research on process engineering and scale-up will be very important for the commercial productiontechnologies for magnetic powders, calcium carbonate, and titanium dioxide have been developed for commercial-scaleproduction, and the largest production scale has reached 15 kt/year.

Keywords： scale-up     significant commercial     electroanalytical     engineering     laboratory    

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Large-scale App privacy governance

Frontiers of Engineering Management   Pages 640-652 doi: 10.1007/s42524-022-0228-y

Abstract: As the number of Apps continuously increases, effective large-scale App governance is a major challengeIn this regard, we propose a quantitative method to filter out problematic Apps on a large scale.number of Apps under the levels given in the PL standard, which may provoke insights into the large-scale

Keywords： privacy risk     Privacy Level     quantification     large-scale App governance    

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On the added value of multi-scale modeling of concrete

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 1-23 doi: 10.1007/s11709-021-0790-0

Abstract: This review of the added value of multi-scale modeling of concrete is based on three representative examplesThe structural nature of the high-dynamic strength increase can be explained by using a multi-scale modelThe second example refers to multi-scale thermoelastic analysis of concrete pavements, subjected to solarThe third example deals with multi-scale structural analysis of a real-scale test of a segmental tunnelOverall, it is concluded that multi-scale models have indeed a significant added value.

Keywords： experiments     multi-scale analysis     conventional structural analysis     concrete     reinforced concrete    

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Title Author Date Type Operation

Extreme-scale parallel computing: bottlenecks and strategies

Ze-yao MO

Journal Article

strength prediction and optimization design of sustainable concrete based on squirrel search algorithm-extreme

Journal Article

Extreme weather/climate events and disaster prevention and mitigation under global warming background

Zhai Panmao,Liu Jing

Journal Article

Concrete corrosion in wastewater systems: Prediction and sensitivity analysis using advanced extreme

Mohammad ZOUNEMAT-KERMANI, Meysam ALIZAMIR, Zaher Mundher YASEEN, Reinhard HINKELMANN

Journal Article

compressive strength of concrete containing micro-silica, nano-silica, and polypropylene fibers using extreme

Fatemeh ZAHIRI, Hamid ESKANDARI-NADDAF

Journal Article

Liquid metal enabled combinatorial heat transfer science: toward unconventional extreme cooling

Xiao-Hu YANG, Jing LIU

Journal Article

Historical Changes and Future Trends of Extreme Precipitation and High Temperature in China

Shu Zhangkang , Li Wenxin, Zhang Jianyun, Jin Junliang, Xue Qing, Wang Yintang, Hu Qingfang, Wang Guoqing

Journal Article

Modeling of semi-rigid beam-to-column steel joints under extreme loading

C FANG, B A IZZUDDIN, A Y ELGHAZOULI, D A NETHERCOT

Journal Article

Analysis and design of steel-concrete composite sandwich systems subjected to extreme loads

Kazi Md Abu SOHEL, Jat Yuen Richard LIEW, Min Hong ZHANG

Journal Article

Extreme Engineering: Polarization in Product Development and Manufacturing

Andrew Kusiak

Journal Article

The Lesson From Hurricane Katrina 2005——Risk Analysis for Coastal, Offshore, and Hydraulic Engineering

Liu Defu,Pang Liang,Xie Botao,Shi Hongda,Lu Yijun

Journal Article

Large deflection behavior effect in reinforced concrete columns exposed to extreme dynamic loads

Masoud ABEDINI, Azrul A. MUTALIB, Chunwei ZHANG, Javad MEHRMASHHADI, Sudharshan Naidu RAMAN, Roozbeh ALIPOUR, Tohid MOMENI, Mohamed H. MUSSA

Journal Article

Structure controlling and process scale-up in the fabrication of nanomaterials

Chunzhong LI,

Journal Article

Large-scale App privacy governance

Journal Article

On the added value of multi-scale modeling of concrete

Journal Article