



TEACHING ACTIVITES:
CIVL 555 Modelling Fluid Systems
CIVL 2520 Fluid Mechanics
CIEM 5390 Coastal Structures Design
JEVE 5510 Municipal Hydraulic System Design and Management


RESEARCH INTERESTS:
My general interests are in the fields of hydraulics, water resources and environmental fluid mechanics. In particular, modelling of surface, subsurface and closed conduit flows: unsteady friction in conduits; turbulence modelling of fast transients; flow stability; numerical modelling of surface and closed conduit flows; water quality modelling; parameter estimation; inverse analysis and water quality; modelling of island wake flows.


RESEARCH PROJECTS:
 Theoretical and experimental investigation of the interaction between a leak and 3D waves in pipes (RGCCERG, HK$632,421,20182021), PI
 Blockages in water pipes: theoretical and experimental study of waveblockage interaction and detection (RGCCERG, HK$875,000, 20182020), PI
 Smart Urban Water Supply Systems (RGCTBRS, HK33,225,000,20162021), PI
 Investigation of leaks in water supply systems under rapid transients (RGCGRF, HK645,500, 20142017), PI
 High Speed P.I.V. system, Research Equipment (RGCGRF, HK$2,303,646, 20092010), PI
 Investigation of KelvinHelmholtz Instability in Sewers & Tunnels (RGCGRF, 20082010, HK$491,906), PI
 Investigation of winddriven Langmuir circulations in coastal eater (RGCGRF, HK867,105, 20062009), PI
 Theoretical and Experimental Studies of Flow in the Leeward of Islands and Its Impact on Environmental Hydraulics (RGCGRF, HK$490,000, 19992001), PI
 Theoretical & Experimental Investigation of Unsteady Friction in Pipe Flow (RGCGRF, HK$870,100, 19971999), PI


SELECTED PUBLICATIONS:
 Wang, X., and Ghidaoui, M.S. (2018). “Pipeline leakage detection using the matchedfield processing method.” Journal of Hydraulic Engineering, ASCE. 144(6). 04018030:104018030:13.
 Wang, X., and Ghidaoui, M.S. (2018). “Identification of multiple leaks in pipeline: Linearized model, maximum likelihood, and superresolution localization.” Mechanical Systems and Signal Processing, 107, pp. 529548.
 Louati, M., Ghidaoui, M.S., Meniconi, M., and Brunone, B. (2017). “Braggtype resonance in blocked pipe system and its effect on the eigenfrequency shift.” Journal of Hydraulic Engineering, 144 (1). 04017056:104017056:11.
 Louati, M., and Ghidaoui, M.S. (2017). “Eigenfrequency shift mechanism due to an interior blockage in a pipe.” Journal of Hydraulic Engineering, 144 (1). 04017055:104017055:14.
 Louati, M., Meniconi, M., Ghidaoui, M.S., and Brunone, B. (2017). “Experimental study of the eigenfrequency shift mechanism in blocked pipe system.” Journal of Hydraulic Engineering, 143 (10). 04017044:104017044:11.
 Louati, M., and Ghidaoui, M.S. (2017). “High frequency acoustic wave properties in a waterfilled pipe. Part 1: Dispersion and multipath behavior.” Journal of Hydraulic Research, 55(5), pp. 613631.
 Lam, M Y, Ghidaoui, M.S., and Kolyshkin, A.A. (2016). “The rollup and merging of coherent structures in shallow mixing layers.” Physics of Fluids, 28. 094103:1094103:28.
 Duan, H.F., Lee, P.J., and Ghidaoui, M.S. (2014). “Transient waveblockage Interaction in pressurized water pipelines.” Procedia Engineering, 70(2014), pp. 573582.
 Lam, M.Y., and Ghidaoui, M.S. (2014). “Fourier analysis of the rollup and merging of coherent structures in shallow mixing layers.” Environmental Fluid Mechanics, 14(5), pp. 9971026.
 Meniconi, S., Duan, H.F., Brunone, B., Lee P.J., Ghidaoui, M.S., and Ferrante, M. (2014). “Further developments in rapidly decelerating turbulent pipe flow modeling.” Journal of Hydraulic Engineering, ASCE, 140(7), 04014028:1 – 04014028:9.
 Duan, H.F., Lee, P.J., Ghidaoui, M.S., and Tung, Y.K. (2012). “System response function based leak detection in viscoelastic pipelines.” Journal of Hydraulic Engineering, ASCE, 138(2), pp. 143153.
 Duan, H.F., Lee, P.J., Ghidaoui, M.S., and Tung, Y.K. (2012). “Extended blockage detection in pipelines by using the system frequency response analysis.” Journal of Water Resources Planning and Management, ASCE, 138(1), pp. 5563.
 Duan, H.F., Lee, P.J., Ghidaoui, M.S., and Tung, Y.K. (2011). “Leak detection in complex series pipelines by using system frequency response method.” Journal of Hydraulic Research, IAHR, 49(2), pp. 213221.
 Leon, A.S., Liu, X., Ghidaoui, M.S., Schmidt A.R. and Garcia M.H. (2010). “A Junction and DropShaft Boundary Conditions for Modeling Free Surface, Pressurized, and Mixed Free SurfacePressurized Transient Flows.” Journal of Hydraulic Engineering, ASCE, 136(10), pp. 705715.
 Leon, A.S., Ghidaoui M.S., Schmidt, A.R., and Garcia, M.H. (2010). “A robust two equation model for transientmixed flows.” Journal of Hydraulic Research, IAHR, 48(1), pp.4456.
 Duan, H.F., Ghidaoui, M.S., and Tung, Y.K. (2009). “An efficient quasi2D simulation of waterhammer in complex pipe systems.” Journal of Fluids Engineering, ASME, 131(8), pp. 081105(11).
 Liang, J.H., and Ghidaoui, M.S., (2008). “Investigation of Shallow Mixing Layers by BGK Finite Volume Model.” International Journal of Computational Fluid Dynamics, 22(7), pp. 523  537.
 Zhao, M., Ghidaoui, M.S., and Kolyshkin, A.A. (2007). “Perturbations Dynamics in Unsteady Pipe Flows.” Journal of Fluid Mechanics, 570, pp. 129154.
 Ghidaoui, M.S., Kolyshkin, A.A., Chan, F.C., Liang, J.H., and Xu, K. (2006) “Linear and Nonlinear Analysis of Shallow Wakes.” Journal of Fluid Mechanics, 548, pp. 309340.
 Leon, A.S., Ghidaoui, M.S., Schmidt, A.R., and Garcia, M.H. (2006). "GodunovType Solutions for Transient Flows in Sewers". Journal of Hydraulic Engineering, ASCE, 132(8), pp. 800813.
 Nixon, W., Ghidaoui, M.S., and Kolyshkin, A.A. (2006). “Range of Validity of the Transient Damping Leakage Detection Method.” Journal of Hydraulic Engineering, ASCE, 132(9), pp. 944957.
 Ghidaoui, M.S., Liang, J.H., Chan, F.C., and Zhang, S.Q. (2006). “BGK based finite volume scheme for hydraulic applications.” International Journal of Computational Fluid Dynamics, 20(6), pp. 439451.
 Chan F.C., Ghidaoui, M.S., and Kolyshkin, A.A. (2006). “Can the dynamics of shallow wakes be reproduced from a single timeaveraged profile?” Physics of Fluids, American Institute of Physics, 18, 048105:1 – 048105:4.
 Zhao, M., and Ghidaoui, M.S. (2004), Godunovtype solutions for water hammer flows, Journal of Hydraulic Engineering, ASCE, 130(4), pp. 341348
 Kolyshkin, A.A and Ghidaoui, M.S. (2003). “Stability Analysis of Shallow Wake Flows.” Journal of Fluid Mechanics, 494, pp. 355377.
 Zhao, M., and Ghidaoui, M.S. (2003). “An Efficient QuasiTwoDimensional for Water Hammer Problems.” Journal of Hydraulic Engineering, ASCE, 129(12) pp.10071013.
 Kolyshkin, A.A. and Ghidaoui, M.S. (2002). “Gravitational and Shear Instabilities in Compound and Composite Channels.” Journal of Hydraulic Engineering, ASCE, 128(12), pp.10761086.
 Ghidaoui, M.S., and Kolyshkin, A.A. (2002). “A Quasisteady Approach to the Instability of Time Dependent Flows in Pipes.” Journal of Fluid Mechanics, 465, pp. 301330.
 Ghidaoui, M.S., Deng, J.Q., Xu, K., and Gray, W.G. (2001). “A Boltzmann Based Model for Open Channel Flows”. International Journal for Numerical Methods in Fluids, 35, pp. 449494.
 Ghidaoui, M.S., and Kolyshkin, A.A. (2001). “Stability Analysis of Velocity Profiles in Waterhammer.” Journal of Hydraulic Engineering, ASCE, 127 (6) pp. 499 512.
 Axworthy, D.H., McInnis, D.A., and Ghidaoui, M.S. (2000). “An Extended Thermodynamics Derivation of Energy Dissipation in Unsteady Pipe Flow.” Journal of Hydraulic Engineering, ASCE, 126 (4), pp. 276 287.
 Su, M., Xu, K., and Ghidaoui, M.S. (1999). “Low Speed Flow Simulation by the GasKinetic Scheme.” Journal of Computational Physics, 150, pp. 1739.
 Ghidaoui, M.S., and Kolyshkin, A.A. (1999), “Linear stability analysis of lateral motions in compound channels with free surface.” Journal of Hydraulic Engineering, ASCE, 125(8), pp.871880.



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