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Tan, Xuyan (author), Chen, Weizhong (author), Wang, L. (author), Yang, Jianping (author)The investigation of concrete structural performance is crucial to maintain the stability of infrastructure. In order to assess structural stability, this work focuses on the development of an integrated framework to detect damaged conditions in the field and analyze their effect on mechanical performance through nondestructive testing (NDT)...journal article 2020
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Zhang, Jiayun (author), Chen, Yang (author), Gong, Qingyuan (author), Ding, Aaron Yi (author), Xiao, Yu (author), Wang, Xin (author), Hui, Pan (author)We identified three temporal patterns shown in commit activities among Chinese and American companies and found that Chinese businesses are more likely to follow long work hours than American ones. We also conducted a survey on the trends of, reasons for, and results of overtime work. Our study could provide references for developers to...journal article 2020
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Han, Rui (author), Liu, Chi Harold (author), Zong, Zan (author), Chen, Lydia Y. (author), Liu, Wending (author), Wang, Siyi (author), Zhan, Jianfeng (author)Cluster schedulers provide flexible resource sharing mechanism for best-effort cloud jobs, which occupy a majority in modern datacenters. Properly tuning a scheduler's configurations is the key to these jobs' performance because it decides how to allocate resources among them. Today's cloud scheduling systems usually rely on cluster operators...journal article 2019
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Shen, X. J. (author), Li, D. Z. (author), Tang, S. (author), Chen, J. (author), Fang, H. (author), Wang, G. D. (author)It is still a big challenge to obtain excellent low-temperature toughness for bulk steel materials. Delamination is an effective method to improve low-temperature toughness. In the present study, delamination toughening in a low carbon microalloyed steel plate with elongated and ultrafine-grained microstructure rolled in the dual-phase region...journal article 2019
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Han, Rui (author), Liu, Chi Harold (author), Li, Shilin (author), Chen, Lydia Y. (author), Wang, Guoren (author), Tang, Jian (author), Ye, Jieping (author)The core of many large-scale machine learning (ML) applications, such as neural networks (NN), support vector machine (SVM), and convolutional neural network (CNN), is the training algorithm that iteratively updates model parameters by processing massive datasets. From a plethora of studies aiming at accelerating ML, being data...journal article 2019
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Wang, Kan (author), Chen, Pei (author), Zaminpardaz, S. (author), Teunissen, P.J.G. (author)In this contribution we analyze the single-frequency L5 positioning capabilities of the two regional satellite navigation systems IRNSS and QZSS, stand alone as well as combined. The positioning analysis is done for two different baselines, having a mix of receivers, providing ambiguity-float and ambiguity-fixed positioning for models with...journal article 2019
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Wang, Kan (author), Chen, Pei (author), Teunissen, P.J.G. (author)The Japanese Quasi-Zenith Satellite System (QZSS) satellite system has placed in orbit four satellites by October 2017. The Indian Regional Navigation Satellite System (IRNSS) system has launched the new satellite IRNNSS-11 in April 2018, completing seven operational satellites. Together with the GPS block IIF satellites and the Galileo...journal article 2019
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Chen, Z. (author), Wang, Li jun (author), Du, Xiao jia (author), Sun, Zai hong (author), Li, Fu shen (author), Chou, Kuo Chih (author)A commercial solid oxide fuel cell with a Ni/YSZ anode was characterized under a pure methane atmosphere. The amount of deposited carbon increased with an increase in temperature but decreased when the temperature exceeded 700°C. The reactivity of carbon decreased with increasing deposition temperature. Filamentous carbon was deposited from...journal article 2019
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Shan, Xinmeng (author), Wen, Jiahong (author), Zhang, Min (author), Wang, Luyang (author), Ke, Q. (author), Li, Weijiang (author), Du, Shiqiang (author), Shi, Yong (author), Chen, Kun (author)Extreme flooding usually causes huge losses of residential buildings and household properties, which is critical to flood risk analysis and flood resilience building in Shanghai. We developed a scenario-based multidisciplinary approach to analyze the exposure, losses and risks of residential buildings and household properties, and their...journal article 2019
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Zhang, Weizhao (author), Bostanabad, Ramin (author), Liang, Biao (author), Su, Xuming (author), Zeng, Danielle (author), Bessa, M.A. (author), Wang, Yanchao (author), Chen, Wei (author), Cao, Jian (author)Carbon fiber reinforced plastics (CFRPs) are attracting growing attention in industry because of their enhanced properties. Preforming of thermoset carbon fiber prepregs is one of the most common production techniques of CFRPs. To simulate preforming, several computational methods have been developed. Most of these methods, however, obtain...journal article 2019
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Chen, N. (author), Wang, M. (author), Alkim, Tom (author), van Arem, B. (author)Automated vehicles are designed to free drivers from driving tasks and are expected to improve traffic safety and efficiency when connected via vehicle-to-vehicle communication, that is, connected automated vehicles (CAVs). The time delays and model uncertainties in vehicle control systems pose challenges for automated driving in real world....journal article 2018
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Zhu, Zhengqiu (author), Chen, B. (author), Qiu, S. (author), Wang, Rongxiao (author), Chen, Feiran (author), Wang, Yiping (author), Qiu, Xiaogang (author)Chemical production activities in industrial districts pose great threats to the surroundingatmospheric environment and human health. Therefore, developing appropriate and intelligentpollution controlling strategies for the management team to monitor chemical production processesis significantly essential in a chemical industrial district....journal article 2018
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Liu, L. (author), Qu, B. (author), Chen, Bin (author), Hanjalic, A. (author), Wang, H. (author)Traces of user activities recorded in online social networks open new possibilities to systematically understand the information diffusion process on social networks. From the online social network WeChat, we collected a large number of information cascade trees, each of which tells the spreading trajectory of a message/information such as which...journal article 2018
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Zhu, Zhengqiu (author), Qiu, S. (author), Chen, Bin (author), Wang, Rongxiao (author), Qiu, Xiaogang (author)The accurate prediction of hazardous gas dispersion process is essential to air quality monitoring and the emergency management of contaminant gas leakage incidents in a chemical cluster. Conventional Gaussian-based dispersion models can seldom give accurate predictions due to inaccurate input parameters and the computational errors. In order...journal article 2018
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Kumar, Sachin (author), Wang, Yihe (author), Poh, Leong Hien (author), Chen, B. Y. (author)The Floating Node Method (FNM), first developed for modeling the fracture behavior of laminate composites, is here combined with a domain-based interaction integral approach for the generic fracture modeling of quasi-brittle materials from crack nucleation, propagation to final failure. In this framework, FNM is used to represent the...journal article 2018
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Wang, Kan (author), Chen, Pei (author), Teunissen, P.J.G. (author)In this contribution, we study the phase-only ambiguity resolution and positioning performance of GPS for short baselines. It is well known that instantaneous (single-epoch) ambiguity resolution is possible when both phase and code (pseudorange) data are used. This requires, however, a benign multipath environment due to the severe effects...journal article 2018
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Yang, Huiru (author), Wang, Zeping (author), Ye, H. (author), Zhang, Kai (author), Chen, X. (author), Zhang, Kouchi (author)Sensitive materials for formaldehyde (HCHO) sensor need high sensitivity and selectivity. The research on two dimensional (2D) sensitive material is growing, and most studies focus on the pristine or modified graphene. So it is essential to introduce other 2D materials into HCHO gas sensor. In this report, the adsorption behaviors of organic...journal article 2018
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Zhu, Zhengqiu (author), Chen, B. (author), Qiu, S. (author), Wang, Rongxiao (author), Wang, Yiping (author), Ma, Liang (author), Qiu, Xiaogang (author)The chemical industry is of paramount importance to the world economy and this industrial sector represents a substantial income source for developing countries. However, the chemical plants producing inside an industrial district pose a great threat to the surrounding atmospheric environment and human health. Therefore, designing an...journal article 2018
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Wang, Rongxiao (author), Chen, B. (author), Qiu, S. (author), Zhu, Zhengqiu (author), Wang, Yiduo (author), Wang, Yiping (author), Qiu, Xiaogang (author)Dispersion prediction plays a significant role in the management and emergency response to hazardous gas emissions and accidental leaks. Compared with conventional atmospheric dispersion models, machine leaning (ML) models have both high accuracy and efficiency in terms of prediction, especially in field cases. However, selection of model...journal article 2018
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Wang, Rongxiao (author), Chen, B. (author), Qiu, S. (author), Ma, Liang (author), Zhu, Zhengqiu (author), Wang, Yiping (author), Qiu, Xiaogang (author)Locating and quantifying the emission source plays a significant role in the emergency management of hazardous gas leak accidents. Due to the lack of a desirable atmospheric dispersion model, current source estimation algorithms cannot meet the requirements of both accuracy and efficiency. In addition, the original optimization algorithm can...journal article 2018