Effects of leafy flexible vegetation on bed‐load transport and dune geometry
The development of sustainable river management strategies requires knowledge of the
effect of vegetation on hydrodynamics and sediment transport. To date, the complex physical …
effect of vegetation on hydrodynamics and sediment transport. To date, the complex physical …
Evaluation of collar efficiency to prevent scouring around cylindrical bridge piers under live bed condition
The present study was carried out to experimentally investigate the effect of single and
double collar on development of local scouring around cylindrical bridge piers under live …
double collar on development of local scouring around cylindrical bridge piers under live …
Predicting characteristics of dune bedforms using PSO-LSSVM
Dunes have a large influence on hydraulic roughness, and, thereby, on water levels which
could affect the navigability of rivers and performance of hydraulic structures. The present …
could affect the navigability of rivers and performance of hydraulic structures. The present …
Modeling total resistance and form resistance of movable bed channels via experimental data and a kernel-based approach
An accurate prediction of roughness coefficient in alluvial channels is of substantial
importance for river management. In this study, the total and form resistance in alluvial …
importance for river management. In this study, the total and form resistance in alluvial …
Numerical simulation of flow structures over dunes to develop an empirical relationship for separation zone dimensions
M Sharifi, MRM Tabatabai, SHG Najafabadi - Flow Measurement and …, 2023 - Elsevier
Rivers have non-uniform beds, which are called bedforms. Depending on the hydraulic
conditions, these shapes have different types that cause resistance to the flow. Despite a …
conditions, these shapes have different types that cause resistance to the flow. Despite a …
[HTML][HTML] Modeling flow resistance and geometry of dunes bed form in alluvial channels using hybrid RANN–AHA and GEP models
Dunes formation in sandy rivers significantly impacts flow resistance, subsequently affecting
water levels, flow velocity, river navigation, and hydraulic structures performance. Accurate …
water levels, flow velocity, river navigation, and hydraulic structures performance. Accurate …
Modeling open channel flow resistance with dune bedform via heuristic and nonlinear approaches
Flow resistance in open channels with dune bedform is a substantial issue due to the
influence of dunes on the hydraulic roughness, which can affect the performance of …
influence of dunes on the hydraulic roughness, which can affect the performance of …
Prediction of form roughness coefficient in alluvial channels using efficient hybrid approaches
In general, total roughness coefficient in open channels includes both grain resistance and
bedform resistance. Due to the nonlinearity of the roughness coefficient, an accurate …
bedform resistance. Due to the nonlinearity of the roughness coefficient, an accurate …
Prediction of total and bedform roughness coefficient in alluvial channels based on experimental data via Gaussian process regression method
Understanding the flow and turbulence characteristics in movable open channels with
bedforms is of substantial importance for the management of rivers as well as design and …
bedforms is of substantial importance for the management of rivers as well as design and …
2-D Simulation of Flow Structures Over Dunes for Flow Characteristics Estimation
M Sharifi, MR Majdzadeh Tabatabai… - 2022 - digitalcommons.usu.edu
Rivers have undulated beds, which are called bedforms. Depending on the hydraulic
conditions, the bedforms have different types that cause resistance in the flow. Despite …
conditions, the bedforms have different types that cause resistance in the flow. Despite …