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Numerical simulations:
rheology-based modeling

  • Jan C.D., Zeng Y.C., Dey L. (2025). “Numerical Simulation of Debris Flow Behavior Over a Series of Groundsills”. Water, 17(3), 293.

  • Jan C.D., Dey L*. (2024). "Slump-flow channel test for evaluating the relations between spreading and rheological parameters of sediment suspensions." European Journal of Mechanics-B/Fluids 106 (2024): 137-147 ​

  • Dey L., Jan C.D. (2024). “Investigating the influence of groundsill array density and size on debris flow behavior using numerical simulations.". 7th inetrnatinal conefreence on debris flow hazards

  • Dey L*., Jan C.D. (2023). "Numerically simulating the horizontal spreading of a sediment slurry column from one end of a rectangular channel to the other end". The 26th Hydraulic Engineering Conference, National Chung Cheng University, Taichung, Taiwan, August 29, 2023

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Experimental works on river bank erosion

  • Dey L*, Barbhuiya A.K., and Biswas P. (2017). “Experimental study on the bank erosion and protection measure using optimum sub-merged vane angle in a 180° channel bend” Geomorphology 283, 32–40. DOI: 10.1016/j.geomorph.2017.01.022

  • Dey L.*, Barbhuiya A.K. (2014). “Analytical Hierarchy Process to Optimize Lift Co-efficient on Sub-merged Vane” Annual Conference on Innovations and Developments in Civil Engineering (ACIDIC), NITK, Surathkal, India. pp 904-910.

  • Dey L*., Rawat V.S., Wani I., Kumar P., Behera R., (2017). “Predicting Risk of River Bank Erosion about Soil Erodibility along the Gumati River, Tripura, India”, National Conference on Hydrology and Watershed Management- NCHWM-2017, 24-25 March 2017

  • Dey L*., Roy R., (2016). “Application of Group Method of Data Handling (GMDH) To Predicting 3-D Velocity in A Sharp Open Channel Bend”, Proceedings of International Conference on Hydraulics, Water Resources and Coastal Engineering (Hydro 2016), CWPRS Pune, India 8th – 10th December 2016. pp 2330-2339.

Empirical studies on debris flow rheology

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  • Jan C.D., Dey L*. (2022). "Effects of sediment fractions on the slump-flow parameters of fine- and coarse-sediment suspensions". Journal of non-Newtonian Fluid Mechanics, 310, 104925. DOI: 10.1016/j.jnnfm.2022.104925 

  • Dey L., Jan C.D., Wang J.S. (2021). "Effects of particle fractions on the Bingham yield stress and viscosity of fine-coarse particle suspensions". Journal of Mountain Science 18, 2960-2970. DOI: 10.1007/s11629-021-6881-5. 

  • Jan C.D., Yang C.Y., Hsu C.K., Dey L*. (2019). "Correlation between the slump parameters and rheological parameters of debris-flow. Association of Environmental and Engineering Geologists; special publication 28. DOI: http://dx.doi.org/10.25676/11124/173203

  • Dey L*., Jan C.D. (2022). "Effects of sediment size distribution on the rheological parameters of bidisperse and polydisperse suspensions". Final paper No. NH42C-0443, presented at American Geophysical Union (AGU) Fall Meeting, Chicago, USA, 12 - 16 December 2022.

  • Dey L*., Jan C.D., and Trang N.L. (2021). "Estimation of rheological parameters of sediment-water mixtures using a horizontal rectangular channel". The 10th International Conference on Earth Observation and Societal Impacts. National United University, Taiwan, August 23-24, 2021.

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Field Cases:
Case studies in the Seres Creek, Dolomites, Italy and Hsiankai Landslide in Kaohsiung, Taiwan

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  • Dey, L., Borga, M., Comiti, F., Mergili, M., Pierpaolo, M., Marchi, L., Cavalli, M., Crema, S., Dallan, E., and Mair, V. (2025). “Simulating snowmelt-induced muddy debris flows in alpine regions: A case study in the Seres Creek, Dolomites.”  In EGU General Assembly, EGU25-19265, Vienna, Austria.

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Granular Flow Studies

  • Jan C.D., Trang N.L., Dey L*. (2025). "Chyan-Deng Jan, Le-Trang Nguyen, Litan Dey, Effects of grain size distribution on the movement and deposition of granular materials flowing down an inclined channel." Journal of Mechanics, Volume 41, 2025, Pages 157–172. DOI: https://doi.org/10.1093/jom/ufaf012

  • ​Jan C.D., and Dey L*. (2023). "The influence of particle size on the spread distance and angle of friction of granular materials." E3S Web of Conferences, EDP Sciences, 01011. DOI: 10.1051/e3sconf/202341501011

  • Trang N.L., Jan C.D., and Dey L. (2021). “Experimental study on flow and deposition behavior of dry granular materials on an inclined plane." The 10th International Conference on Earth Observation and Societal Impacts. National United University, Taiwan, August 23-24, 2021.​

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