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Li, Z. (author), Chang, Weiwei (author), Cui, Tianyu (author), Xu, Dake (author), Zhang, Dawei (author), Lou, Yuntian (author), Qian, Hongchang (author), Song, Hao (author), Mol, J.M.C. (author), Cao, Fahe (author), Gu, Tingyue (author), Li, Xiaogang (author)Microbiologically influenced corrosion of metals is prevalent in both natural and industrial environments, causing enormous structural damage and economic loss. Exactly how microbes influence corrosion remains controversial. Here, we show that the pitting corrosion of stainless steel is accelerated in the presence of Shewanella oneidensis MR...journal article 2021
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Gu, Chuan (author), Botto, L. (author)Solid particles can adhere to fluid interfaces, modifying interfacial properties such as the surface tension and the surface elasticity. We here describe a new simulation method, the Fast Interface Particle Interaction (FIPI) method, capable of simulating on commodity hardware up to 100k particles interacting with fluid interfaces of complex...journal article 2020
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Dai, Hanqing (author), Xu, Wenqian (author), Hu, Zhe (author), Chen, Yuanyuan (author), Wei, Xian (author), Yang, Bobo (author), Chen, Zhihao (author), Gu, Jing (author), Yang, Dan (author), Xie, Fengxian (author), Zhang, Wanlu (author), Guo, Ruiqian (author), Zhang, Kouchi (author), Wei, Wei (author)All-solid-state sodium-ion batteries (SIBs) possess the advantages of rich resources, low price, and high security, which are one of the best alternatives for large-scale energy storage systems in the future. Also, the chalcogenide solid electrolytes (CSEs) of SIBs have the characteristics of excellent room-temperature ionic conductivity (10...review 2020
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Liao, B. B. (author), Wang, D. L. (author), Hamdi, M. (author), Zheng, J. Y. (author), Jiang, P. (author), Gu, C. H. (author), Hong, W. R. (author)This paper aims to characterize the damage mechanisms of 70 MPa Type IV hydrogen composite pressure vessels using the acoustic emission (AE) method. First, AE signals were captured during the 0–105 MPa and 0–158 MPa hydraulic tests of two vessels using multi-step loading method. Second, the AE feature parameters in time-domain and frequency...journal article 2019
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Gu, C. (author), Wang, Qiannan (author), Sun, Wei (author)The flexural response of ultrahigh performance fiber-reinforced concrete (UHPFRC) was simulated based on the lattice fracture model. Fiber was modelled as separated beam that was connected to the matrix with interface beams. The simulated results were compared with the experimental results. Deviations occurred at the late stage of the strain...journal article 2018
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Gu, Wei (author), Yu, Jie (author), Ji, Yuxiong (author), van der Gun, J.P.T. (author), Pel, A.J. (author), Zhang, H. Michael (author), van Arem, B. (author)Metro disruptions due to unexpected events reduce transit system reliability, resulting in significant productivity loss and long passenger delays. Bus bridging strategy is often used to connect stations affected by metro disruptions such that passengers could continue their journey. The literature usually designed bridging routes and then...conference paper 2017
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Spectroscopic evidence for bulk-band inversion and three-dimensional massive Dirac fermions in ZrTe5Chen, Zhi Guo (author), Chen, R. Y. (author), Zhong, R. D. (author), Schneeloch, John (author), Zhang, C. (author), Huang, Y. (author), Qu, F. (author), Yu, R. (author), Li, Q. (author), Gu, G. D. (author), Wang, N. L. (author)Three-dimensional topological insulators (3D TIs) represent states of quantum matters in which surface states are protected by timereversal symmetry and an inversion occurs between bulk conduction and valence bands. However, the bulk-band inversion, which is intimately tied to the topologically nontrivial nature of 3D Tis, has rarely been...journal article 2017
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Wang, Haifeng (author), Lin, Jian (author), Zhang, Dawei (author), Wang, Yang (author), Gu, Min (author), Urbach, Paul (author), Gan, Fuxi (author), Zhuang, Songlin (author)We present a concealing method in which an anti-point spread function (APSF) is generated using binary optics, which produces a large-scale dark area in the focal region that can hide any object located within it. This result is achieved by generating two identical PSFs of opposite signs, one consisting of positive electromagnetic waves from...journal article 2016
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Xie, X. (author), Verbraeck, A. (author), Gu, Feng (author)Data assimilation is an analysis technique which aims to incorporate measured observations into a dynamic system model in order to produce accurate estimates of the current state variables of the system. Although data assimilation is conventionally applied in continuous system models, it is also a desired ability for its discrete event...conference paper 2016
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Gu, Yu (author), Postma, Eric (author), Lin, H.X. (author), van den Herik, Jaap (author)Speech emotion recognition (SER) poses one of the major challenges in human-machine interaction. We propose a new algorithm, the Voiced Segment Selection (VSS) algorithm, which can produce an accurate segmentation of speech signals. The VSS algorithm deals with the voiced signal segment as the texture image processing feature which is different...conference paper 2016
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- Chen, D. (author), Zhang, Y. (author), Ottevanger, W. (author), Blanckaert, K.J.F. (author), Gu, L. (author) journal article 2012
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Gan, C.H. (author), Gu, Y. (author), Visser, T.D. (author), Gbur, G. (author)Simulations are presented that demonstrate that the global state of spatial coherence of an optical wavefield can be altered on transmission through an array of subwavelength-sized holes in a metal plate that supports surface plasmons. It is found that the state of coherence of the emergent field strongly depends on the separation between the...journal article 2012
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- Gu, Y. (author) doctoral thesis 2010
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Chandrasekaran, S. (author), Dewilde, P. (author), Gu, M. (author), Somasunderam, N. (author)It is shown that the numerical rank of the off-diagonal blocks of certain Schur complements of matrices that arise from the finite-difference discretization of constant coefficient, elliptic PDEs in two spatial dimensions is bounded by a constant independent of the grid size. Moreover, in three-dimensional problems the Schur complements are...journal article 2010
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Gu, G. (author), Roos, C. (author)In [SIAM J. Optim., 16 (2006), pp. 1110–1136], Roos proved that the devised full-step infeasible algorithm has $O(n)$ worst-case iteration complexity. This complexity bound depends linearly on a parameter $\bar{\kappa}(\zeta)$, which is proved to be less than $\sqrt{2n}$. Based on extensive computational evidence (hundreds of thousands of...journal article 2010
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Gu, Y. (author), Prasad, R.V. (author), Niemegeers, I.G.M.M. (author)A Personal Network (PN) is a user-centric design interconnecting numerous devices belonging to a user in different geographic locations, such as home, office, car, etc., to form a single global network to offer fully personalized services. In PNs devices of the user move in different groups, where these groups merge and split. In this paper, we...journal article 2009
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Gu, G. (author), Mansouri, H. (author), Zangiabadi, M. (author), Bai, Y.Q. (author), Roos, C. (author)We present several improvements of the full-Newton step infeasible interior-point method for linear optimization introduced by Roos (SIAM J. Optim. 16(4):1110–1136, 2006). Each main step of the method consists of a feasibility step and several centering steps. We use a more natural feasibility step, which targets the ?+-center of the next pair...journal article 2009
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Gu, G. (author)In [SIAM J. Optim., 16(4):1110--1136 (electronic), 2006] Roos proposed a full-Newton step Infeasible Interior-Point Method (IIPM) for Linear Optimization (LO). It is a primal-dual homotopy method; it differs from the classical IIPMs in that it uses only full steps. This means that no line searches are needed. In this thesis, we first present an...doctoral thesis 2009
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Gu, Y. (author), Lo, A. (author), Niemegeers, I. (author)Recently, indoor positioning systems (IPSs) have been designed to provide location information of persons and devices. The position information enables location-based protocols for user applications. Personal networks (PNs) are designed to meet the users' needs and interconnect users' devices equipped with different communications technologies...journal article 2009
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Gu, D. (author), Verhagen, H.J. (author), Van de Ven, M. (author)PUR-revetment is a newly developed method for hydraulic application. Its structure is similar to that of open stone asphalt revetment, but the crushed stones are glued by polyurethane (PUR) instead of bitumen. To study the feasibility of applying PUR-revetment, a research based on the comparisons between PUR-revetment and open stone asphalt...journal article 2008