Prof. Philip L-F Liu

National University of Singapore, Singapore

Speaker 1

Applications of homogenization theory to study the effects of coastal vegetation on waves

Date: 19.11.2020; UTC Time: 8:00 AM- 9:00 AM

In the last decade, the homogenization theory has been adopted to study the interactions of waves and coastal vegetations (see references below). In this talk, the basic idea of homogenization theory will be explained, and the required simplifications will be introduced. Since the problem is formulated based on the linearized Reynolds Averaged Navier-Stokes equations, the closure for the eddy viscosity will also be discussed.

Refs:

Mei, C.C., Chan, I-C., Liu, P. L.-F., Huang, Z., Zhang, W. (2011) Long waves through emergent coastal vegetation, J. Fluid Mech., 687, 461-491. http://dx.doi.org//10.1017/jfm.2011.373

Mei, C. C., Chan, I-C., and Liu, P. L.-F. (2014) Waves of intermediate length through an array of vertical cylinders. Environ Fluid Mech., 14, 235-261. http://dx.doi.org/10.1007/s10652-013-9308-1

Liu, P. L.-F., Chang, C-W., Mei, C.C., Lomonaco, P., Martin, F. L., and Maza, M. (2015) Periodic water waves through an aquatic forest. Coastal Engrg, 96, 100-117. http://dx.doi.org/10.1016/j.coastaleng.2014.11.002

Chang C-W., Liu. P. L.-F. Mei, C.C., and Maza, M. (2017) Modeling Transient Long Waves Propagating through a Heterogeneous Coastal Forest of Arbitrary Shape, Coastal Engrg. 122, 124 – 140. https://doi.org/10.1016/j.coastaleng.2017.01.010

Chang C-W., Liu. P. L.-F. Mei, C.C., and Maza, M. (2017) Periodic Water Waves through A Heterogeneous Coastal Forest of Arbitrary Shape. Coastal Engrg. 122, 141-157. https://doi.org/10.1016/j.coastaleng.2017.02.004

Chang, C-W. and Liu, P. L.-F. (2019) Long wave dissipation and harmonic generation by coastal vegetation. Applied Ocean Res., 82, 210-224. https://doi.org/10.1016/j.apor.2018.10.001

Hu, J., Hu, Z. and Liu, P. L-F. (2019) Surface water waves propagating over a submerged forest, Coastal Engrg, 152, 103510. https://doi.org/10.1016/j.coastaleng.2019.103510

Hu, J., Tang, X., Lin, P., and Liu, P. L-F. (2020) Periodic water waves through floating vegetation. Coastal Engineering. (in press)