UMIAcademic Profile

VNU University of Engineering and Technology

Haidang Phan, Ph.D.

Associate Professor, Faculty of Civil Engineering · UMI Lab — Ultrasonics & Mechanics Inspection Lab

Associate Professor Haidang Phan specializes in wave propagation in complex media, with applications in nondestructive evaluation of composites, bone quantitative ultrasound, and seismic/elastic wave interaction in geotechnical–structural systems. His work integrates elastodynamic reciprocity, dispersion and scattering theory, FEM/BEM modeling, and physics-informed or deep-learning inverse methods for material characterization and defect detection.

44+ISI/Scopus Papers
516+Citations
13h-index
10+PI Grants
2Textbooks
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Research Profile

Professor Phan's research advances the theory and application of ultrasonic guided waves in layered, anisotropic, biological, and engineered media. His foundational work developed reciprocity-based analytical methods for surface and guided wave scattering, later extending to composite laminates, cortical bone, pipes, and inverse material identification.

“My recent research has focused on guided waves in anisotropic layered structures. I am particularly interested in developing theoretical and numerical models of ultrasonic wave propagation and scattering in composite plates and in cortical and/or cancellous bones for characterization of their material properties.”
Wave propagation Ultrasonic guided waves Non-destructive evaluation Composite materials Bone quantitative ultrasound Physics-informed learning FEM/BEM Seismic wave–structure interaction

Core Themes

Elastodynamic Reciprocity

Analytical approaches for Rayleigh, Stoneley, Scholte, and guided wave scattering by cavities, defects, plates, pipes, and multilayered structures.

Guided Waves in Complex Structures

Dispersion, scattering, and mode behavior in plates, pipes, layered half-spaces, composites, laminated structures, and fluid-solid interfaces.

Bone Quantitative Ultrasound

Guided wave models for cortical bone, soft-tissue coupling, viscoelastic stratified plates, and deep learning–based bone property identification.

AI and Inverse Methods

Machine learning, PINNs, hybrid FEM–ML methods, and uncertainty-aware inverse characterization from ultrasonic wave measurements.

Education

  • 2008–2013
    Ph.D. in Mechanical EngineeringPusan National University, South Korea. Dissertation: “Reciprocity approach for determination of surface wave motion and its application in scattering of surface waves by cavities.” Advisors: Prof. Younho Cho and Prof. Jan D. Achenbach.
  • 2006–2008
    M.S. in Applied MathematicsHanoi University of Science and Technology, Vietnam.
  • 2000–2005
    B.Sc. in Applied Mathematics and InformaticsHanoi University of Science and Technology, Vietnam.

Academic Appointments

  • 2021.12–Present
    Associate ProfessorVNU University of Engineering and Technology, Hanoi, Vietnam.
  • 2025.01–2025.02
    Visiting ScholarRMIT University, Melbourne, Australia.
  • 2019.11–2020.01
    Visiting ScholarRMIT University, Melbourne, Australia.
  • 2018.09–2021.11
    Lecturer & ResearcherDuy Tan University, Da Nang, Vietnam.
  • 2015.12–2018.12
    Research FellowVietnam Academy of Science and Technology, Hanoi, Vietnam.
  • 2013.09–2015.11
    Postdoctoral FellowPusan National University, Busan, South Korea.
  • 2011.06–2011.08
    Visiting ResearcherNorthwestern University, Evanston, Illinois, USA.

Selected Research Grants

2026–2030 · NAFOSTEDModeling ultrasonic guided waves in bone structures with applications to deep learning–based determination of bone tissue properties.
2023–2025 · VNUPropagation and scattering of ultrasonic guided waves in composite structures for defect detection and materials characterization.
2020–2022 · GUSTUltrasonic waves in layered anisotropic media for defect detection and material characterization of composites.
2019–2022 · NAFOSTEDPropagation and scattering of ultrasonic waves in layered structures.
2017–2020 · GUSTGuided wave propagation and scattering in layered structures with applications in NDE and bone quantitative ultrasound.
2017–2019 · NAFOSTEDNondestructive evaluation of structures using guided wave methods.

Selected Publications

  1. Le, D., Tran, H.-N., Quy, H. N., Phan, H. (2025). “Guided wave propagation and scattering in pipes with axisymmetric defects under reciprocity considerations.” European Journal of Mechanics A/Solids, 111, 105584.
  2. Le, D., Phan, H., Nguyen, H., Sacchi, M. D., Le, L. H. (2025). “Guided waves in anisotropic and viscoelastic stratified plates: Application to bone quantitative ultrasound.” Computers & Structures, 315, 107820.
  3. Hoang, V.-K. et al. with Phan, H. (2024). “Core design optimization of a 200 MWt pressurized water SMR using evolutionary simulated annealing.” Nuclear Engineering and Design, 418.
  4. Le, D. et al. with Phan, H. (2023). “Reciprocity-based closed-form solutions to guided waves in multilayered structures subjected to time-harmonic excitations.” European Journal of Mechanics A/Solids, 102, 105083.
  5. Dao, D. K., Kim, I.-T., Phan, H. (2021). “Newly puzzle shaped crestbond connector in composite using opposite T steel girder: Experiment.” Structural Engineering and Mechanics, 79.
  6. Phan, H., Cho, Y., Le, Q. H., Pham, C. V., Nguyen, H. T. L., Nguyen, P. T., Bui, T. Q. (2019). “A closed-form solution to propagation of guided waves in a layered half-space under a time-harmonic load: An application of elastodynamic reciprocity.” Ultrasonics, 96, 40–47.
  7. Phan, H., Cho, Y., Li, W. (2018). “A theoretical approach to multiple scattering of surface waves by shallow cavities in a half-space.” Ultrasonics, 88, 16–25.
  8. Phan, H., Cho, Y., Achenbach, J. D. (2013). “Application of the reciprocity theorem to scattering of surface waves by a cavity.” International Journal of Solids and Structures, 50, 4080–4088.

Books

  1. Phan, H. (2020). Wave Propagation in Layered Structures: Applications in Engineering and Biological Material Characterization. Vietnam National University Press, Hanoi.
  2. Phan, H. (2021). Physics of Ultrasonic Guided Waves in Composite Materials. Vietnam National University Press, Hanoi.

Teaching

LevelCourses
Graduate, VNU-UETNondestructive Evaluation Technology; Advanced Structural Mechanics.
Graduate, PNUBoundary Element Method; Wave Mechanics; Finite Element Method.
Undergraduate, VNU-UETAdvanced Maths 1; Advanced Maths 2; Engineering Mechanics; Materials Science.
Additional areasEngineering Mathematics; ODEs/PDEs; Wave Propagation; Ultrasonic Guided Waves; Bone Quantitative Ultrasound; NDE of Composites; Inverse Problems; Physics-Informed ML.