• views: 335
• date: 15 July 2022
• posted by: voska89

What you'll learn
You will learn how to extract river geometry based on DEM using RAS Mapper in HEC-RAS
You will learn All about the Theoretical Concepts of Sediment Transport Modeling in HEC-RAS 1D
You will learn How to Simulate Sediment Transport Process for a River Reach in HEC-RAS
You will learn How to Define Different Sediment related Settings and Parameters
You will learn How to Create different Temporal and Spatial outputs related to Sediment Transport Process
Requirements
This course assumes no prior knowledge of Sediment Transport Simulation and River Engineering Concepts and is presented from a practical point of view by a professional modeler.
Description
All rivers conveying water contain sediment particles in any of the three forms: bed load, suspended load, and wash load. Natural and human factors trigger rivers to undergo severe deposition and erosion of beds or banks (Joshi et al. 2019). The long-term effects of erosion and sedimentation cause changes in river geomorphological regime. The sediment transport process in rivers depends on several factors including sediment particle size, catchment characteristics (area, basin slope, river slope, and channel width), catchment's land cover, climate changes effects and flood events.
To simulate the realistic hydraulic and sedimentation phenomena, several numerical models have been developed over the past decades. Among them, 1D numerical models are still successfully used for long river reaches due to simple computations, small amount of required input datasets, and short computation time (Werner, 2001; Horritt and Bates, 2002; Panin and Jipa, 2002). Due to the high capability of the HEC-RAS 1D model for hydraulic simulation and analyzing the sediment transport process, several companies, engineers, and researchers, all around the world, are using the HEC-RAS 1D model in different projects. Sediment computations in HEC-RAS utilize one-dimensional, cross-section averaged, hydraulic properties from RAS's hydraulic engines to compute sediment transport rates and update the channel geometry based on sediment continuity calculations.
An HEC-RAS sediment model requires a geometry file (in 1D case we need cross-sections), a flow file (quasi-unsteady or unsteady flow hydrograph), a sediment data file (including bed gradation, transport function, fall velocity, Sorting method, and boundary conditions), and a sediment analysis plan file. In this applied course, the details of sediment transport modeling in HEC-RAS are described completely with a applied examples. After finishing this course, the user can easily simulate the sediment transport process for each real case study and project.
Who this course is for
For River Engineering Experts, and Students of Water Resources Engineering
For under grade or Grade students who want to improve their skills in River Engineering Studies
For Consultants or professionals interested in Sediment Transport Simulation
Homepage

https://www.udemy.com/course/sediment-transport-modeling-using-hec-ras-1d/

   
   
   

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