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Dr. Cheng is a geomechanics engineer with academic background in numerical modeling and geotechnical engineering, and is a licensed Professional Engineer in California. He has research experience in the coupling of porous media and fluids, liquefaction models, and soil and rock mechanics. Dr. Cheng has performed many geotechnical projects on seismic-hazard evaluation, earthquake-soil-structure interaction on bridges, tunnels, underground structures, dams, slopes, and highways. He actively participated in the seismic retrofits on several toll bridges in the state of California. Dr. Cheng has particular experience in numerical modeling for geotechnical projects. He currently is the Software Product Manager for FLAC3D and responsible for the maintenance of constitutive models.
Cheng, Z., and C. Detournay. “Formulation, validation and application of a practice-oriented two-surface plasticity sand model,” Computers and Geotechnics, 132, 103984. doi.org/10.1016/j.compgeo.2020.103984. 2021. Ghazvinian, E., T. Garza-Cruz, L. Bouzeran, M. Fuenzalida, Z. Cheng, C. Cancino, M. Pierce. “Theory and Implementation of the Itasca Constitutive Model for Advanced Strain Softening (IMASS),” in MassMin 2020 (Proceedings, Eight International Conference & Exhibition on Mass Mining, Virtual Conference, December 2020), 451–461. Santiago: University of Chile, 2020. Cheng, Z., and M. Jefferies. “Implementation and Verification of NorSand Model in General 3D Framework,” in Geo-Congress 2020 (GSP 318, Geotechnical Earthquake Engineering and Special Topics, Minneapolis, Minnesota, February 2020), 10–19. Reston, Virginia: ASCE, 2020. Li, W., A.W. Stuedlein, Y. Chen, H. Liu, and Z. Cheng. “Response of Pile Groups with X and Circular Cross-sections Subject to Lateral Spreading: 3D Numerical Simulations,” Soil Dyn. Earthq. Eng., 126(11), 105774. 2019. Mohamed, K. M., Z. Cheng and G. Rashed. “Coal Rib Stability Based on the Strength Reduction of the Coal Mass Model,” in Proceedings, 53rd U.S. Rock Mechanics/Geomechanics Symposium (ARMA, New York City, June 2019), ARMA 19-2844. Alexandria, Virginia: ARMA, 2019. Cheng, Z. “A Practical 3D Bounding Surface Plastic Sand Model for Geotechnical Earthquake Engineering Application,” in Proceedings, Geotechnical Earthquake Engineering and Soil Dynamics V: Numerical Modeling and Soil Structure Interaction (Austin, Texas, June 2018), pp. 34–47. S.J. Brandenberg and M.T. Manzari, Eds. ASCE, 2018. Cheng, Z., Y. F. Dafalias and M. T. Manzari. “Application of SANISAND Dafalias-Manzari Model in FLAC3D,” in Continuum and Distinct Element Numerical Modeling in Geomechanics - 2013 (CD Proceedings, 3rd International FLAC/DEM Symposium, Hangzhou, China, October 2013), H. Zhu, C. Detournay, R. Hart, and M. Nelson, Eds. Minneapolis: Itasca International, Inc., 2013. Taiebat, M., B. Jeremic, Y. F. Dafalias, A. M. Kaynia and Z. Cheng. “Propagation of Seismic Waves through Liquefied Soils,” Soil Dyn. Earthq. Eng., 30(4), 236-257. 2010. Cheng, Z., and B. Jeremic. “Numerical Modeling and Simulation of Pile in Liquefiable Soil,” Soil Dyn. Earthq. Eng., 29(11-12), 1405-1426. 2009. Jeremic, B., Z. Cheng, M. Taiebat and Y. F. Dafalias. “Numerical Simulation of Fully Saturated Porous Materials,” Int. J. Num. Analy. Meth. Geomech., 32(13), 1635-1660. 2008.
