Jianfeng Wang

Dr. Jianfeng (Jeff) Wang
Department of Civil and Architectural Engineering
City University of Hong Kong
Tat Chee Avenue, Kowloon, Hong Kong
Tel:  (852) 3442 6787
Fax: (852) 3442 0427
Email: jefwang@cityu.edu.hk


  Ph.D. (May 2006) in Geotechnical Engineering, Virginia Tech, USA
M.S. (Jul. 2002) in Geotechnical Engineering, Tongji University, China
B.S. (Jul. 1999) in Civil Engineering, Tongji University, China

Professional Experience

  Associate Professor, Department of Architecture and Civil Engineering, City University of Hong Kong, 2017 - Present
Assistant Professor, Department of Architecture and Civil Engineering, City University of Hong Kong, 2008 - 2017
Postdoctoral Fellow, Department of Civil and Environmental Engineering, Virginia Tech, USA,2006 - 2008

Awards and Fellowships

UK Institution of Civil Engineers: Geotechnical Research Medal
Higher Education Institute Outstanding Research Award: Natural Science Award, The Ministry of Education of the P.R.C.

NSF Fellowship for Summer Institute of Nanomechanics and Nanomaterials (USA)


Major Research Interests

  Tomography characterization of geomaterials
Discrete element method (DEM) in Geomechanics
Micromechanics of granular soils
Micromechanics-based constitutive modeling
Nanomechanics and nanomaterials
Multi-scale modeling and simulations of geomaterials
Unsaturated soil mechanics
Slope stability
Rock mechanics and rock engineering


Refereed Journals

  1. Cheng, Z. and Wang, J.*, 2019 “ Visualization of Failure and the Associated Grain-Scale Mechanical Behavior of Granular Soils Under Shear Using Synchrotron X-Ray Micro-Tomography “, The Journal of Visualized Experiments, (151), e60322, doi:10.3791/60322.
  2. Cheng, Z. and Wang, J.*, 2019 “ Investigation of the fabric evolution and the stress transmission behaviour of sands based on X-ray uCT images “, AdvancedPowder Technology, Online first, https://doi.org/10.1016/j.apt.2019.06.003
  3. Zhao, B.D., Wang, J..*, Ando, E., Viggiani, C. and Coop, M.R., 2019, “An Investigation of Particle Breakage under One-Dimensional Compression of Sand Using X-ray Micro-Tomography“, Canadian Geotechnical Journal, Online first, http://dx.doi.org/10.1139/cgj-2018-0548
  4. Yang, H., Zhou, B.and Wang, J.*, 2019 “Exploring the influences of three-dimensional grain shape on packing and mechanical behaviours of clean sands“, Geotechnique Letters, online first, DOI: 10.1680/jgele.18.00227
  5. Fan, H.*, Wang, J..* and Zheng, H., 2019, “Variational inequality-based particle discontinuous deformation analysis “, International Journal for Numerical and Analytical Methods in Geomechanics, Online first, https://onlinelibrary.wiley.com/doi/abs/10.1002/nag.2942
  6. Cheng, Z., Wang, J..*, Coop, M. and Ye, G., 2019, “A miniature triaxial apparatus for investigating the micromechanics of granular soils with in-situ X-ray micro-tomography scanning “, Frontiers of Structural and Civil Engineering, Accepted for publication.
  7. Liu, S., Wang, J.*and Kwok, C.Y., 2019 “DEM simulation of creep in one-dimensional compression of crushable sand“, Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Accepted for publication.
  8. Wu, M. and Wang, J.*, 2019 “Point cloud registration for matching crushed sand particles“, Powder Technology, https://doi.org/10.1016/j.powtec.2019.03.001
  9. Fan, H.* and Wang, J.*, 2019 “Dynamic modeling of sphere, cylinder, cone, and their assemblies“, Archives of Computational Methods in Engineering, https://doi.org/10.1007/s11831-019-09328-w
  10. Cheng, Z. and Wang, J.*, 2018 “Quantification of the strain field of sands based on X-ray micro-tomography: A comparison between a grid-based method and a mesh-based method“, Powder Technology, Volume 344, pp. 314-334, https://doi.org/10.1016/j.powtec.2018.12.048
  11. Cheng, Z. and Wang, J.*, 2018 “Experimental investigation of inter-particle contact evolution of sheared granular materials using X-ray micro-tomography“, Soils and Foundations, Online first, https://doi.org/10.1016/j.sandf.2018.08.008.
  12. Wei, D.H., Wang, J., Nie, J.Y. and Zhou, B., 2018 “Generation of realistic sand particles with fractal nature using an improved spherical harmonic analysis“, Computers and Geotechnics, Online first, DOI: 10.1016/j.compgeo.2018.08.002
  13. Wu, M. and Wang, J.*, 2018 “Reassembling fractured sand particles using fracture region matching algorithm“, Powder Technology, Online first https://doi.org/10.1016/j.powtec.2018.06.045
  14. Fan, H., Zheng, H. and Wang, J.*, 2018 “A generalized contact potential and its application in discontinuous deformation analysis“, Computers and Geotechnics, 99, pp. 104-114.
  15. Liu, S. and Wang, J.*, 2018 “Static fatigue of sand particles“, Canadian Geotechnical Journal, Online first, https://doi.org/10.1139/cgj-2017-0543
  16. Wei, D.H., Wang, J.* and Zhao, B.D., 2018 “A Simple Method for Particle Shape Generation with Spherical Harmonics“, Powder Technology, Online first, https://doi.org/10.1016/j.powtec.2018.02.006
  17. Cheng, Z. andWang, J.*, 2018 “A particle-tracking method for experimental investigation of kinematics of sand particles under triaxial compression“, Powder Technology, Volume 328, pp. 431-458, https://doi.org/10.1016/j.powtec.2017.12.071
  18. Zhou, B., Wang, J.* and Wang, H.B., 2018 “A novel particle tracking method for granular sands based on spherical harmonic rotational invariants“, Geotechnique, Online first, https://doi.org/10.1680/jgeot.17.T.040
  19. Cheng, Z. and Wang, J.*, 2017 “Quantification of particle crushing in consideration of grading evolution of granular soils in biaxial shearing: a probability-based model“, International Journal for Numerical and Analytical Methods in Geomechanics, Online first, DOI: 10.1002/nag.2752.
  20. Jiang, M.J.*, He, J., Wang, J., Zhou, Y. and Zhu, F.Y., 2017 “Discrete element analysis of the mechanical properties of deep-sea methane hydrate-bearing soils considering interparticle bond thickness“, Comptes Rendus Mecanique, https://doi.org/10.1016/j.crme.2017.09.003.
  21. Zhao, B.D., Wei, D.H. and Wang, J.*, 2017 “Particle shape quantification using rotation-invariant spherical harmonic analysis“, Geotechnique Letters, Vol. 7, Issue 2, pp 1-7, https://doi.org/10.1680/jgele.17.00011
  22. Zhou, B., Wang, J.* and Wang, H.B., 2017 “Three-dimensional sphericity, roundness and fractal dimension of sand particles“, Geotechnique, Online first, DOI: 10.1680/jgeot.16.P.207 [PDF]
  23. Wang, J.*, Liu, S. and Cheng, Y. P., 2017, “On the role of normal boundary condition in interface shear test for the determination of skin friction along pile shaft“. Canadian Geotechnical Journal, Online first, https://doi.org/10.1139/cgj-2016-0312.
  24. Deng, D., Li, L., Wang, J. and Zhao, L.H., 2016, “Limit equilibrium method for rock slope stability analysis by using the Generalized Hoek¡VBrown criterion“, International Journal of Rock Mechanics & Mining Sciences, Vol. 89, pp. 176¡V184.
  25. Zhou, B. and Wang, J.*, 2016, “Generation of a realistic 3D sand assembly using X-ray micro-computed tomography and spherical harmonic-based principal component analysis“, International Journal for Numerical and Analytical Methods in Geomechanics, Accepted for publication.
  26. Zhao, B.D. and Wang, J.*, 2016, “3D quantitative shape analysis on form, roundness, and compactness with µCT“, Powder Technology, Volume 291, pp. 262-275.[PDF]
  27. Ye, G-L.*, Wu C-J.Wang, J.,and Wang, J-H. 2015, “Influence and Countermeasure of Specimen Misalignment to Small Strain Behaviour of Soft Marine Clay“, Marine Georesources & Geotechnology, DOI: 10.1080/1064119X.2015.1121308. [PDF]
  28. Liu, S. and Wang, J. 2015, “Depth-independent cone penetration mechanism by a novel DEM-based stress normalization approach“, Canadian Geotechnical Journal, Vol. 53, No. 5 : pp. 871-883, doi.org/10.1139/cgj-2015-0188. [PDF]
  29. Jiang, M.J., He, J., Wang, J.,Chareyre, B. and Zhu, F.Y. 2015, “DEM analysis of geomechanical properties of cementation type of methane hydrate bearing soils for different temperatures and pore pressure“, International Journal of Geomechanics, 10.1061/(ASCE)GM.1943-5622.0000612, 04015087. [PDF]
  30. Huang, D., Wang, J. and Liu S. 2015, “A Comprehensive Study on the Smooth Joint Model in DEM Simulation of Jointed Rock Masses“, Granular Matter, Volume 17, Issue 6, pp. 775-791. [PDF]
  31. Yang, Y., Wang, J., and Cheng, Y., 2015, “Quantified evaluation of the particle shape effects from micro-to-macro scales of the non-convex grains“, Particuology,, In press, http://dx.doi.org/10.1016/j.partic.2015.01.008. [PDF]
  32. Zhao, B.D. and Wang, J., Coop, M.R., Viggiani, C. and Jiang, M.J. 2015, “An Investigation of the Single Sand Particle Fracture using X-ray Micro-tomography“, Géotechnique, Vol. 65, No. 8, pp. 625-641, http://dx.doi.org/10.1680=geot.4.P.157. [PDF]
  33. Zhou, B. and Wang, J., 2015, “Random generation of natural sand assembly using micro x-ray tomography and spherical harmonics“, Geotechnique Letters, 5, pp 6-11. [PDF]
  34. Zhou, B., Wang, J. and B.D. Zhao, 2015, “Micromorphology characterization and reconstruction of sand particles using micro X-ray tomography and Spherical harmonics“, Engineering Geology, 184(14), pp 126-137. [PDF]
  35. Jiang, M.J., Shen, Z.F. and Wang, J., 2015, “A Novel Three-dimensional Contact Model for Granulates Incorporating Rolling and Twisting Resistances“, Computers and Geotechnics, 65, pp 147-163. [PDF]
  36. Wang, J. and Zhao, B., 2014, “Discrete-continuum analysis of monotonic pile penetration in crushable sands“, Canadian Geotechnical Journal, 51(10), 1095-1110, DOI: 10.1139/cgj-2013-0263 [PDF]
  37. Zhou B., Wang J. and Wang H. B., 2014, “A new probabilistic approach for predicting particle crushing in one-dimensional compression of granular soil“. Soils and Foundations, Volume 54, Issue 4, 833¡V844 [PDF]
  38. Jiang M.J., He J., Wang J., Liu F. and Zhang W.C. 2014, “Distinct simulation of earth pressure against a rigid retaining wall considering inter-particle rolling resistance in sandy backfill“. Granular Matter, Online first, http://link.springer.com/article/10.1007%2Fs10035-014-0515-3[PDF]
  39. Jiang M.J., Zhang W. C., Wang J. and Zhu H.H., 2014, “DEM analyses of uplift failure mechanism with pipe buried in a cemented granular ground“. International Journal of Geomechanics, ASCE, Online first, http://ascelibrary.org/doi/abs/10.1061/(ASCE)GM.1943-5622.0000430
  40. Zhou B., Huang R. Q., Wang H. B. and Wang J.*, 2013, “DEM investigation of particle anti-rotation effects on the micro-mechanical response of granular materials“. Granular Matter, Volume 15, Issue 3, pp. 315-326 [PDF]
  41. Zhang W. C., Wang J., Jiang M. J., 2013, “DEM-aided discovery of the relationship between energy dissipation and shear band formation considering the effects of particle rolling resistance“. Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 139(9), 1512-1527
  42. Wang, J. and Yan, H.B., 2012, “DEM analysis of energy dissipation in crushable soils,” Soils and Foundations, 52(4):644-657. (featured online by Earth Emphasis, http://earthemphasis.com/key-research-articles/dem-analysis-of-energy-dissipation-in-crushable-soils/) [PDF]
  43. Jiang, M.J., Zhang, W.C. and Wang, J., 2013, “Energy evolution of dense granules subjected to shear failure by DEM,” Rock and Soil Mechanics (in Chinese), 34(2):551-558.
  44. Wang, J. and Yan, H.B., 2011, “On the role of particle breakage in the shear failure behavior of granular soils by DEM,” International Journal for Numerical and Analytical Methods in Geomechanics, Online first (DOI: 10.1002/nag). [PDF]
  45. Wang, J. and Jiang, M.J., 2011, “Unified Soil Behavior of Interface Shear Test and Direct Shear Test under the Influence of Lower Moving Boundaries,” Granular Matter, Volume 13, Issue 5, pp. 631-641. [PDF]
  46. Wang, J. and Gutierrez, M.S, 2010, “Discrete Element Simulations of Direct Shear Specimen Scale Effects,” Géotechnique, Vol. 60, No. 5, pp. 395-409. [PDF]
  47. Wang, J. and Gutierrez, M.S., 2010, “Molecular Simulations of Clay Minerals: A Study Considering the Change of Cell Size and Shape,” Acta Geotechnica, 5, 151-167. [PDF]
  48. Wang, J. and Gutierrez, M.S., 2010, “Structural Transformation of 2:1 Clay Minerals by A Constant Pressure Molecular Dynamics Simulation Method,” Journal of Nanomaterials, Vol. 2010, Article ID 795174, 13 pages. [PDF]
  49. Gutierrez, M.S. and Wang, J., 2009, “Non-coaxial Version of Rowe’s Stress-Dilatancy Relation,” Granular Matter, Volume 11, Numbers 2, pp. 129-137. [PDF]
  50. Wang, J. and Gutierrez, M.S., 2009, “Molecular Dynamics Simulations of Cyclic Loading Behavior of Carbon Nanotubes,” Journal of Nanomaterials, Volume 2009, Article ID 625047, 9 pages. [PDF]
  51. Gutierrez, M.S. and Wang, J., 2009, “A Model for the Simple Shear Deformation of Sand Accounting for Principal Stress Rotation,” Acta Geotechnica, 4, pp. 193-201. [PDF]
  52. Wang, J., Dove, J.E. and Gutierrez, M.S., 2007, “Determining Particulate-Solid Interphase Strength using Shear-induced Anisotropy,” Granular Matter, Volume 9, Numbers 3-4, pp. 231-240. [PDF]
  53. Wang, J., Dove, J.E. and Gutierrez, M.S., 2007, “Anisotropy-based Failure Criterion for an Interphase System,” Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Vol. 133, No. 5, pp. 599-608. [PDF]
  54. Wang, J., Dove, J.E. and Gutierrez, M.S., 2007, “Discrete-Continuum Analysis of Shear Band in the Direct Shear Test,” Géotechnique, Vol. 57, No. 6, pp 527-536. [PDF]
  55. Wang, J., Gutierrez, M.S. and Dove, J.E., 2007, “Numerical Studies of Shear Banding in Interface Shear Tests using a New Strain Calculation Method,” International Journal for Numerical and Analytical Methods in Geomechanics, Vol. 31, Issue 12, pp. 1349-1366. [PDF]
  56. Wang, J., and Gutierrez, M.S., 2007, “Stress-Strain Behavior of Carbon Nanotubes under Cyclic Loading,” Micro & Nano Letters, Vol. 2, Issue 4, pp. 111-114. [PDF]
  57. Dove, J.E., Bents, D.D., Wang, J. and Gao, B., 2006, “Particle-scale Surface Interactions of Non-dilative Interface Systems,” Geotextiles and Geomembranes, Vol. 24, Issue 3, 156-168. [PDF]

Conference Proceedings

  1. Wang, J. and Yan, H.B., 2011, “3D DEM Simulation of Crushable Granular Soils under Plane Strain Compression Condition,” EASEC-12, Hong Kong, Jan 26 – Jan 28.
  2. Wang, J. and Yan, H.B., 2010, “Influence of Initial Density on Mechanical Behavior of Crushable Soils in Plane Strain Shear Test,” 6th Jiangsu – Hong Kong Joint Mechanics Forum, Nanjing, Oct. 23 – Oct. 24.
  3. Wang, J., 2010, “Steady State Strength Behavior of Particulate-Solid Interphase System,” IS-Shanghai 2010, Shanghai, Oct 10 – Oct 12.
  4. Wang, J. and Yan, H.B., 2010, “Behavior of Crushable Granular Soils under Plane Strain Compression Condition by DEM,” GeoShanghai 2010, Shanghai, Jun 3 – Jun 5.
  5. Wang, J. and Gutierrez, M.S., 2009, “Structural Transformation of Clay Minerals by a New Molecular Dynamics Simulation Method,” ISCM&EPMESC-2009, Hong Kong – Macau, Nov. 30 – Dec 3.
  6. Wang, J. and Gutierrez, M.S., 2009, “Modeling of Scale Effects on the Micromechanics of Granular Media under Direct Shear Conditions,” Powders and Grains 2009, Golden, Colorado, July 13-17.
  7. Wang, J., Dove, J.E. and Gutierrez, M.S., 2008, “Pre-failure Strain Localization and Stress-Strain Response in Direct Interface Shear Test,” 4th International Symposium on Deformation Characteristics of Geomaterials, Atlanta, Georgia, Sept. 22-24.
  8. Dove, J.E., Wang, J., and Johnson, M.L., 2008, “Characterization of Geoconstruction Material Surfaces: Linking the Surface with Mechanical Behavior,” 4th International Symposium on Deformation Characteristics of Geomaterials, Atlanta, Georgia, Sept. 22-24.
  9. Wang, J. and Gutierrez, M.S., 2008, “Non-Coaxial Stress-Dilatancy Model for Sand subject to Simple Shear,” EM’08 Inaugural International Conference of the Engineering Mechanics Institute, Minneapolis, Minnesota, May 18-21.
  10. Wang, J. and Gutierrez, M.S., 2007, “Nanoscale Aspects of Geomechanics,” Geo-Denver 2007, Denver, Colorado, February 18-21.
  11. Wang, J., Dove, J.E. and Gutierrez, M.S., 2007, “Limitations of the Normalized Surface Roughness Parameter in Quantifying Particulate–Solid Interface Strength,” 18th ASCE Engineering Mechanics Conference, Blacksburg, Virginia, June 3-6.
  12. Wang, J., Gutierrez, M.S. and Dove, J.E., 2006, “Study of Strain Localization in an Interphase System subject to Quasi-static Shear,” Proceedings of 15th National Congress on Theoretical and Applied mechanics, Boulder, Colorado, June 25-30.
  13. Wang, J., Dove, J.E. and Gutierrez, M.S., 2005, “Strain Localization during Shear of an Idealized Interphase System,” 2005 Joint ASME/ASCE/SES Conference on Mechanics and Materials, Baton Rouge, Louisiana, June 1-3.
  14. Wang, J., Dove, J.E., Gutierrez, M.S. and Corton, J.D., 2005, “Shear Deformation in the Interphase Region,” Powders & Grains 2005, Stuttgart, Germany, July 18-22, pp. 747-750.
  15. Wang, J., Gutierrez, M.S. and Dove, J.E., 2004, “Effects of Particle Rolling Resistance on Interface Shear Behavior,” Proceeding of 17th ASCE Engineering Mechanics Conference, Newark, Delaware, June 13-16.
  16. Zhu, H., Wang, J., and Yan, H., 2001, “Two Methods on the Foundation Settlement Prediction of Immersed Tunnel,” Proceedings of Underground construction 2001, London, England, September.

Professional Activities

Journal Reviewer

  Journal of Geotechnical and Geoenvironmental Engineering, ASCE
Journal of Engineering Mechanics
International Journal of Solids and Structures
Mechanics Research Communications
Geotechnical Testing Journal, ASTM
Soils and Foundations, JSSMFE
Géotechnique Letters
Journal of Nanomaterials

Grant Reviewer

  Research Grants Council of Hong Kong (RGC)


  Secretary, the Hong Kong Society of Theoretical and Applied Mechanics (HKSTAM), Mar. 2010 – Present

Research Opportunity

  Applications are invited for the PhD scholarship, research assistant/associate (RA) and post-doctoral associate positions on the following research topics:
  1. X-ray computed tomography characterization of geomaterials
  2. Theoretical and computational breakage mechanics of granular soils
  3. Large-scale DEM modeling in geomechanics
  4. Probability-based DEM modeling of sand breakage
  5. Smart and innovative DEM technology
  Interested candidates with high self-motivation, strong background in theoretical and computational geomechanics, and good capability of independent and original thinking are encouraged to submit an application for the above positions. Please send me your full resume or CV at jefwang@cityu.edu.hk.