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Wan, Z. (author), Xu, Y. (author), Chang, Z. (author), Liang, M. (author), Šavija, B. (author)Vascular self-healing concrete (SHC) has great potential to mitigate the environmental impact of the construction industry by increasing the durability of structures. Designing concrete with high initial mechanical properties by searching a specific arrangement of vascular structure is of great importance. Herein, an automatic optimization...journal article 2024
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Wu, Yi Hsien (author), Camenzind, Leon C. (author), Noiri, Akito (author), Takeda, Kenta (author), Nakajima, Takashi (author), Kobayashi, Takashi (author), Chang, Chien Yuan (author), Sammak, A. (author), Scappucci, G. (author), Tarucha, Seigo (author)Because of their long coherence time and compatibility with industrial foundry processes, electron spin qubits are a promising platform for scalable quantum processors. A full-fledged quantum computer will need quantum error correction, which requires high-fidelity quantum gates. Analyzing and mitigating gate errors are useful to improve gate...journal article 2024
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Chang, X. (author), Wellens, P.R. (author)The lack of suitable boundary conditions in practical surface wave simulations with maritime structures in current or at forward speed may cause energy in the computational domain to accumulate due to spurious wave reflection. The common way to prevent wave reflection is to use passive wave absorbers, such as damping zones or relaxation zones...journal article 2024
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Hopf, Y.M. (author), Simoes dos Santos, D. (author), Ossenkoppele, Boudewine W. (author), Noothout, E.C. (author), Chang, Z.Y. (author), Chen, Chao (author), Vos, H.J. (author), Verweij, M.D. (author), de Jong, N. (author), Pertijs, M.A.P. (author)This article presents an application-specific integrated circuit (ASIC) for catheter-based 3-D ultrasound imaging probes. The pitch-matched design implements a comprehensive architecture with high-voltage (HV) transmitters, analog front ends, hybrid beamforming analog-To-digital converters (ADCs), and data transmission to the imaging system....journal article 2024
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Balkan, Büsra Atamer (author), Chang, You (author), Sparnaaij, M. (author), Wouda, B.J. (author), Boschma, D. (author), Yuan, Y. (author), Daamen, W. (author), van Veen, A.J. (author), Duives, D.C. (author)SARS-CoV-2 transmission in indoor spaces, where most infection events occur, depends on the types and duration of human interactions, among others. Understanding how these human behaviours interface with virus characteristics to drive pathogen transmission and dictate the outcomes of non-pharmaceutical interventions is important for the...journal article 2024
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Chang, Janet (author), Jaskula, Klaudia (author), Papadonikolaki, E. (author), Rovas, Dimitrios (author), Parlikad, Ajith Kumar (author)Purpose<br/>This research investigates the distinct characteristics of blockchain technology to safeguard against the deterioration of handover information quality in the post-construction phase. The significance of effective management of handover information is highlighted by global building failures, such as the Grenfell Tower fire in London,...journal article 2024
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Wan, Z. (author), Chang, Z. (author), Xu, Y. (author), Šavija, B. (author)In this paper, optimization of vascular structure of self-healing concrete is performed with deep neural network (DNN). An input representation method is proposed to effectively represent the concrete beams with 6 round pores in the middle span as well as benefit the optimization process. To investigate the feasibility of using DNN for...journal article 2023
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Liang, M. (author), Liu, C. (author), Liang, X. (author), Chang, Z. (author), Schlangen, E. (author), Šavija, B. (author)This paper investigates the influence of temperature on autogenous deformation and early-age stress (EAS) evolution in ordinary Portland cement paste using a recently developed Mini Temperature Stress Testing Machine (Mini-TSTM) and Mini Autogenous Deformation Testing Machine (Mini-ADTM). In the Mini-TSTM/ ADTM, CEM I 42.5 N paste with a...journal article 2023
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Qiu, Xiujiao (author), Chang, Z. (author), Chen, J. (author), Schlangen, E. (author), Ye, G. (author), Schutter, Geert De (author)In our former paper, based on a published 3D reactive transport model at microscale with the capability of simulating the chemical reactions involved in ASR, the location of expansive ASR gel related to the reactivity of aggregate, temperature, aggregate porosity and silica content in aggregate, is clarified. Based on the simulation results,...journal article 2023
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Lattice modelling of early-age creep of 3D printed segments with the consideration of stress historyChang, Z. (author), Liang, M. (author), He, S. (author), Schlangen, E. (author), Šavija, B. (author)We propose a new numerical method to analyze the early-age creep of 3D printed segments with the consideration of stress history. The integral creep strain evaluation formula is first expressed in a summation form using superposition principle. The experimentally derived creep compliance surface is then employed to calculate the creep strain...journal article 2023
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Chang, Z. (author), Liang, M. (author), Chen, Y. (author), Schlangen, E. (author), Šavija, B. (author)Cementitious materials may exhibit significant creep at very early age. This is potentially important for concrete 3D printing, where the material is progressively loaded even before it sets. However, does creep actually affect the buildability of 3D printed concrete? Herein, the influence of early-age creep on the buildability of 3D printed...journal article 2023
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Ji, M. (author), Al-Ars, Z. (author), Hofstee, H.P. (author), Chang, Yuchun (author), Zhang, Baolin (author)Convolutional neural networks (CNNs) are to be effective in many application domains, especially in the computer vision area. In order to achieve lower latency CNN processing, and reduce power consumption, developers are experimenting with using FPGAs to accelerate CNN processing in several applications. Current FPGA CNN accelerators usually use...journal article 2023
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Yang, Mengshi (author), Liao, Mingsheng (author), Chang, Ling (author), Hanssen, R.F. (author)Multi-epoch interferometric synthetic aperture radar (InSAR) is a highly effective technique for monitoring deformation in urban areas. However, interpreting InSAR deformation can be challenging due to various factors, including inherent geometric imaging distortion, the intricate structure and deformation properties of targets in urban...journal article 2023
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Guo, P. (author), Fool, F. (author), Chang, Z.Y. (author), Noothout, E.C. (author), Vos, H.J. (author), Bosch, Johan G. (author), de Jong, N. (author), Verweij, M.D. (author), Pertijs, M.A.P. (author)This article presents a low-power and small-area transceiver application-specific integrated circuit (ASIC) for 3-D trans-fontanelle ultrasonography. A novel micro-beamforming receiver architecture that employs current-mode summation and boxcar integration is used to realize delay-and-sum on an N -element sub-array using N× fewer capacitive...journal article 2023
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Nanosecond gating of superconducting nanowire single-photon detectors using cryogenic bias circuitryHummel, Thomas (author), Widhalm, Alex (author), Höpker, Jan Philipp (author), Jöns, Klaus D. (author), Chang, J. (author), Fognini, Andreas (author), Steinhauer, Stephan (author), Zwiller, Val (author), Zrenner, Artur (author), Bartley, Tim J. (author)Superconducting nanowire single-photon detectors (SNSPDs) show near unity efficiency, low dark count rate, and short recovery time. Combining these characteristics with temporal control of SNSPDs broadens their applications as in active de-latching for higher dynamic range counting or temporal filtering for pump-probe spectroscopy or LiDAR....journal article 2023
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Putra, N.E. (author), Leeflang, M.A. (author), Klimopoulou, M. (author), Dong, J. (author), Taheri, P. (author), Huan, Z. (author), Fratila-Apachitei, E.L. (author), Mol, J.M.C. (author), Chang, J. (author), Zhou, J. (author), Zadpoor, A.A. (author)The development of biodegradable Fe-based bone implants has rapidly progressed in recent years. Most of the challenges encountered in developing such implants have been tackled individually or in combination using additive manufacturing technologies. Yet not all the challenges have been overcome. Herein, we present porous FeMn-akermanite...journal article 2023
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Chang, Chang Yu (author), Bajic, D. (author), Vila, Jean C.C. (author), Estrela, Sylvie (author), Sanchez, Alvaro (author)Understanding the mechanisms that maintain microbial biodiversity is a critical aspiration in ecology. Past work on microbial coexistence has largely focused on species pairs, but it is unclear whether pairwise coexistence in isolation is required for coexistence in a multispecies community. To address this question, we conducted hundreds of...journal article 2023
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Guo, J. (author), Chang, J. (author), Yao, X. (author), Groeblacher, S. (author)Preparing a massive mechanical resonator in a state with quantum limited motional energy provides a promising platform for studying fundamental physics with macroscopic systems and allows to realize a variety of applications, including precise sensing. While several demonstrations of such ground-state cooled systems have been achieved, in...journal article 2023
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He, S. (author), Mustafa, S. (author), Chang, Z. (author), Liang, M. (author), Schlangen, E. (author), Lukovic, M. (author)In the current study, experiments and numerical simulations were carried out to investigate the cracking behavior of reinforced concrete beams consisting of a very thin layer (i.e., 1 cm in thickness) of SHCC in the concrete cover, tension zone. A novel type of SHCC/concrete interface that features a weakened chemical adhesion but an enhanced...journal article 2023
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Schildkamp, R.R.M. (author), Chang, J. (author), Sodja, J. (author), De Breuker, R. (author), Wang, Xuerui (author)This paper proposes an incremental nonlinear control method for an aeroelastic system’s gust load alleviation and active flutter suppression. These two control objectives can be achieved without modifying the control architecture or the control parameters. The proposed method has guaranteed stability in the Lyapunov sense and also has...journal article 2023