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Loong Cheng Ning

Postdoctoral Fellow

Department of Civil and Environmental Engineering
Hong Kong University of Science and Technology
E-mail: cnloong@connect.ust.hk

About me

Educations

The Hong Kong University of Science and Technology (HKUST)

  • Ph.D. in Civil Engineering [2016 – 20]

  • MPhil in Civil Engineering [2014 – 16]

  • BEng in Civil and Structural Engineering [2011 – 14] (Academic Achievement Award; First Class Honors)

Working, Voluntary & Leadership Experiences

  • Postdoctoral Fellow (HKUST) [2020 – Present]

  • Teaching Assistant for Civil Engineering Courses (HKUST) [2014 – 20]

  • Hall Tutors (HKUST) [2016 – 20]

  • Judges of IDEERS Competitions (HKUST) [2017 – 19]

  • Organizers of Competitions for HKIE Civil Engineering Division [2016 – 17]

  • Summer Intern, Ove Arup [2013]

  • Voluntary Services (e.g., Smart Kids; Workcamp @ Tai O; Antidrug Carnival @ Tiu Keng Leng) [2012 – Present]

Teaching Experiences

  • CIVL 1120 Exploring Earthquake Engineering* 

  • CIVL 2110  Statics*

  • CIVL 3310  Structural Analysis*

  • CIVL 3320  Reinforced Concrete Design (Best TA for two years)

  • CIVL 4320  Structural Steel Design 

  • CIVL 4330  Introduction to Structural Dynamics

  • CIVL 4950 Civil Engineering Capstone Design Project 

  • CIEM 5340 Earthquake Engineering

* My favorite courses

Journal Publications

  • Loong, C.N., Chang, C.C.* and Dimitrakopoulos, E.G. (2018). “Circuit nonlinearity effect on the performance of an electromagnetic energy harvester-structure system.” Engineering Structures, 173: 449-459.

  • Loong, C.N., Shan, J.*, Shi, Z. and Chang, C.C. (2020). “Approximate analysis of eddy-current force under time-varying velocity motion for structural control.” Journal of Sound and Vibration, 475: 115295.

  • Loong, C.N.* and Chang, C.C. (2020). “Performance of a nonlinear electromagnetic energy harvester-structure system under random excitation.” Journal of Engineering Mechanics (ASCE), 146(9): 04020098.

  • Shi, Z., Shan, J.*, Loong, C.N., Wu, W., Chang, C.C. and Shi, W. (2020). “Experimental and numerical study on dynamic behavior of eddy current damping with frequency dependence.” Journal of Engineering Mechanics (ASCE), 146(10): 04020116.

  • Loong, C.N.* and Chang, C.C. (2021). “Scavenging energy from a vibrating building using distributed electromagnetic energy harvesters with nonlinear circuits.” Journal of Intelligent Material Systems and Structures,  32(18-19): 2244-2259.

  • Shan, J., Liu, J., Loong, C.N.* and Wu. W. (2021). “Design and analysis of plate-type eddy-current damper with high energy-dissipation capability.” Smart Structures and Systems, 27(5): 769-781.

  • Shi, Z., Loong, C.N. and Shan, J.* (2022). “Equivalent circuit model of eddy current damping regarding frequency-dependence with test validation.” Advances in Structural Engineering, 25(1): 188-200.

  • Shan, J., Liu, Y., Cui, X., Loong, C.N.* and Wei, Z.* (2022). “Multi-level deformation behavior monitoring of flexural structures via vision-based continuous boundary tracking: proof-of-concept study.” Measurement, 194: 111031.

  • Chau, W.Y., Loong, C.N.*, Wang, Y.H., Chiu, S.W., Tan, T.J., Wu, J., Leung, M.L., Tan, P.S. and Ooi, G.L. (2022). “Understanding the dynamic properties of trees using the motions constructed from multi-beam flash light detection and ranging measurements.” Journal of the Royal Society Interface, 19(193): 20220319.

  • Loong, C.N.* and Dimitrakopoulos, E.G. (2023). "Modal properties of fractal sympodial trees: insights and analytical solutions using a group tree modeling approach." Applied Mathematical Modelling, 115: 127-147.

  • Shan, J., Zhuang, C. and Loong, C.N.* (2023). "Parametric identification of Timoshenko-beam model for shear-wall structures using monitoring data." Mechanical Systems and Signal Processing, 189: 110100.

  • Shan, J., Wang, L., Loong, C.N.* and Zhou, Z. (2023). "Rapid seismic performance evaluation of existing frame structures using equivalent SDOF modeling and prior dynamic testing." Journal of Civil Structural Health Monitoring, 13(2): 749-766.

  • Loong, C.N.*, San Juan, J.D.Q. and Chang, C.C. (2023). "Image-based structural analysis for education purposes: A proof-of-concept study." Computer Applications in Engineering Education, 31(5): 1200-1218.

  • Loong, C.N.*, Chau, W.Y., Wang, Y.H. and Chiu, S.W. (2023). "Reconstruction methods for the mechanical energy of a tree under free vibration." Agricultural and Forest Meteorology, 339: 109541.

  • Loong, C.N.*, Dimitrakopoulos, E.G. and Chang, C.C. (2023). "Nonlinear electromagnetic energy harvester–structure system under seismic excitation: vibration mitigation and energy scavenging." Journal of Engineering Mechanics, 149(9): 04023058.

  • Shan, J., Wang, L., Loong, C.N.*, Zhang, H.* and Huang, P. (2023). "Damage tracking and hysteresis-based evaluation of seismic-excited reinforced concrete shear wall under monitoring data." The Structural Design of Tall and Special Buildings, 33(5): e2087.

  • Loong, C.N.*, Siu, H.M. and Dimitrakopoulos, E.G. (2024). "Modal properties of fractal trees as recursive analytical solutions." Journal of Sound and Vibration, 572: 118164.

  • Shan, J., Huang, P., Loong, C.N.* and Liu, M. (2024). "Rapid full-field deformation measurements of tall buildings using UAV videos and deep learning." Engineering Structures, 305: 117741. 

  • Shan, J., Zhuang, C., Chao, X. and Loong, C.N.* (2024). "Model updating of a shear-wall tall building using various vibration monitoring data: accuracy and robustness." The Structural Design of Tall and Special Buildings, 33(11): e2114.

  • Shan, J., Huang, C., Wang, L.* and Loong, C.N. (2024). "Data-driven prediction of natural period for existing RC high-rise buildings using probabilistic machine learning methods." Journal of Building Engineering, 90: 109394.

  • Loong, C.N.* and Chang, C.C. (2024). "Control knowledge tracing: modeling students' learning dynamics from a control-theory perspective." Computers and Education: Artificial Intelligence, 7: 100292.

  • Shan, J., Zhang, X., Loong, C.N.*, Liu, Y. and Hu, X. (2024). "Predictive maintenance and its applications in civil engineering structures: A review." Journal of Southeast University (English Edition), 40(3): 245-256.

  • Loong, C.N.* and Dimitrakopoulos, E.G. (2025). "Recursive modal properties of fractal monopodial trees, from finite to infinite order." Journal of Sound and Vibration, 595: 118770.

  • Loong, C.N. and Dimitrakopoulos, E.G.* (2025). "The static stability of evolving fractal beams as a dynamical system." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 481(2312): 20240918.

* Corresponding author

Conference Publications

  • Lu, Q.*, Loong, C.N., Chang, C.C. and Dimitrakopoulos, E.G. (2014) “Scavenging vibration energy from seismically-isolated bridges using an electromagnetic harvester.” Proceedings of SPIE, 10 April 2014, San Diego.

  • Loong, C.N.*, Chang, C.C. and Dimitrakopoulos, E.G. (2015). “Nonlinear effects of energy harvesting circuit topology on a structure-harvester system.” Proceedings of 6AESE/11ANCRiSST Joint Conference, 1-2 August 2015, UIUC, USA, 2015, 1-8.

  • Loong, C.N.*, Chang, C.C. and Dimitrakopoulos, E.G. (2016). “Nonlinear effect of circuit topology on the performance of structure-harvester system: a theoretical study.” The 29th KKHTCNN Symposium on Civil Engineering, 3-5 December 2016, HKUST, Hong Kong, China.

  • Loong, C.N.*, Chang, C.C. and Dimitrakopoulos, E.G. (2018). “Simultaneous vibration control and energy harvesting using actor-critic based reinforcement learning.” Proceedings of SPIE - The International Society for Optical Engineering - Active and Passive Smart Structures and Integrated Systems XII, 04-08 March 2018, Denver: 105952Q.

  • Shi, Z., Loong, C.N.*, Tan, Y., Chang, C.C. and Shan, J. (2018). “Performance evaluation of an eddy-current tuned mass damper for seismic protection using shaking table tests.” The 7th World Conference on Structural Control and Monitoring, 22-25 July 2018, Qingdao, China.

  • Loong, C.N.* and Dimitrakopoulos, E.G. (2023). "A novel approach for analyzing the dynamic properties of trees with fractal sympodial branching architecture: a group tree modelling." XII International Conference on Structural Dynamics, EURODYN 2023, 2-5 July 2023, Delft, Netherlands.

  • Chu, S.K.W.,* Giouvanidis, A.I., Loong, C.N. and Dimitrakopoulos, E.G. (2023). "Seismic rocking response classification through the lens of a machine learning methodology." Proceedings of the 26th Australasian Conference on the Mechanics of Structures and Materials, ACMSM26, 3-6 December 2023, Auckland, New Zealand.

  • Loong, C.N.* and Dimitrakopoulos, E.G. (2024). "Explainable machine learning to predict the seismic response of pounding bridge models." The 18th World Conference on Earthquake Engineering, 30 June – 5 July 2024, Milan, Italy.

  • Loong, C.N.* and Dimitrakopoulos, E.G. (2024). "Analytical modal analysis of fractal trees with auxiliary P-functions." The 26th International Congress of Theoretical and Applied Mechanics (ICTAM 2024), 25-30 August 2024, Daegu, Korea.

*Presenter

Other Research Projects

Collaboration with Tongji University [2016 – present]

  • Nonlinearity of eddy-current damping

  • Salient object detection for structural curvature measurement using deep neural networks

  • Damage evaluation of RC shear wall under earthquakes

Supervisor for Final-year Student and Master Student [2011 – present]

  • Prediction of rocking response using machine-learning methods

  • Vibration of trees/ tree-like structure

  • Deep learning for image-based structural analysis

  • Knowledge tracing and recommendation system for structural engineering courses

  • Generating synthetic ground motion using generative adversarial networks

Undergraduate Research Opportunity Program (UROP) [2011 – 14]

  • The development of a new type of sensor (Smart Soil Particle) for slope stability monitoring

  • Experimental investigation on influence of grass on soil erodibility

Awards and Achievements

  • RGC Postdoctoral Fellowship Scheme 2022/23 [2023- present]

  • Hong Kong Ph.D. Fellowship Scheme Award 2016 [2016 – 20]

  • Best Teaching Assistant Award [2015 – 16, 2017 – 18]

  • IDEERS 2015 Second Prize, Best Presentation Award [2015]

  • HKUST Academic Achievement Award; First Class Honors [2014]

  • Dean’s List [2011 – 14]

  • Wing Lung Bank Scholarship; Arup Scholarship; Joseph Lau Luen Hung Charitable Trust Scholarship; School of Engineering Scholarship; Civil & Environmental Eng. Department Scholarship; University Scholarship [2011 – 14]

Hobbies

Research; reading; hiking; participating in community services; jogging; playing badminton; cooking; Taekwondo

My Favorite Quotes

  • Success builds CV, failure builds characters. By Prof. Elias G. Dimitrakopoulos.

  • The only way to learn is to live. By Matt Haig (2020), The Midnight Library.

  • The truth is, once you learn how to die, you learn how to live. By Mitch Albom (1997), Tuesdays with Morrie.

  • Just do the next right thing. By Kristen Bell - The Next Right Thing

Check back soon
Once posts are published, you’ll see them here.

Contact me

Any research collaborations are welcomed!

Wan Chai, Hong Kong

感謝您提交以上資訊!

©2022 by Loong Cheng Ning.

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