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Showing 1 to 20 of 70 for “"HEC RAS"”.

  1. Flood Capacity Improvement of San Jose Creek Channel Using HEC-RAS

    Mowinckel, Erland Kragh2011

    … for steady and unsteady state open channel flow, HEC-RAS is used to analyze multiple variations in channel geometry and combinations of lining materials. Of these modifications, the best configuration is suggested.</p>

    calpoly Repository record

  2. Análisis de socavación del puente sobre el Río Mayo en la región San Martín utilizando HEC-RAS

    Arias Choquehuanca, Diego Alonso, Campos Neciosup, Brayan Indalecio2025

    upc-peru

  3. Uganda Manafwa River early flood warning system development hydrologic watershed modeling using HEC-HMS, HEC-RAS, ArcGIS

    Ma, Yan, M. Eng. Massachusetts Institute of TechnologyMassachusetts Institute of Technology2013

    … with downstream stream discharge using ArcGIS, HEC-HMS and HEC-RAS. This work is dedicated to present the progress in the modeling endeavor, provide technical guidance to the extent possible, and facilitate hydrologic modeling efforts of similar nature. The main focus is on the loss methods used …

    mit Repository record

  4. Development of HEC-HMS and HEC-RAS models for urban floodplain mapping and flood damage reduction in Brownsville, Texas

    Quinonez, Carlo G.Rice University2005

    The primary objective of this project was to develop hydrologic and hydraulic models for the floodplain analysis for Brownsville, Texas and analyze mitigation alternatives within a Geographic Information Systems (GIS) and digital data framework. This framework allowed for flexible manipulation of …

    rice Repository record

  5. Determining the optimal river gauge location for a flood early warning system in Uganda using HEC-RAS and AHP

    Cheung, Joyce, M. Eng. Massachusetts Institute of TechnologyMassachusetts Institute of Technology2014

    … gauge at Busiu Bridge. The hydraulic model HEC-RAS was used to simulate the flow of the Manafwa River through Butaleja. Based on flow data from a storm event in 2006 when precipitation was fairly widespread across the watershed, the HEC-RAS results indicated that the travel time for a flood …

    mit Repository record

  6. Integration of hydraulic model (HEC-RAS) and geographical information system (GIS) in development flood evacuation center along Sembrong River sea

    Marimin, Nor AzimahUniversiti Tun Hussein Onn Malaysia2019

    … and its access route could be managed through HEC-RAS and GIS software as both are useful instruments for mapping and analyzing the situation. The objectives of this study are to determine flood prone area of Sembrong River in two-dimensional (2D) view by using HEC-RAS, to evaluate the …

    uthm Repository record

  7. A comparative study of two unsteady one-dimensional open channel flow models: Full Equations Model (FEQ) and River Analysis System (HEC-RAS)

    Ancalle Reyes, David SUniversity of Illinois at Urbana-Champaign2016

    … 2 ANCALLEREYES-THESIS-2016.pdf: 3655444 bytes, checksum: 385d4d0a582d06143f4a234615d4b796 (MD5) LICENSE.txt: 4216 bytes, checksum: 2841bd6314d7d46e50a381add01791a3 (MD5) Previous issue date: 2016-07-22

    uiuc Repository record

  8. Hydraulic Modeling of a River Network for Predicting Flood Inundation using HEC-RAS and GIS Models - A Case Study in Southern Virginia

    Castro Bolinaga, Celso FranciscoVirginia Tech2012

    … a watershed located in south central Virginia. A HEC-RAS hydrodynamic model of the main river network was developed to assess the impact of a number of hydrologic events, including the Probable Maximum Flood (PMF), in the area of interest. The primary goal of the study was to transform discharge …

    vt Repository record

  9. Validating the Quality of Crowdsourced Data for Flood Modeling of Hurricane Harvey in Houston, Texas

    Chien, JoyceTexas State University2019

    … in the water depth among the H&H model (i.e. HEC-RAS), authorized reference (i.e. FEMA) and crowdsourced data (i.e. U-Flood data)? (2) Are there any significant differences in the inundated areas between the HEC-RAS modeled floodplain and U-Flood data observations? To answer these research …

    texas-state Repository record

  10. An Evaluation of a Hydrological Model Used to Predict the Impact of Flow Attenuation on Downstream Flood Flows

    Porter, Robert Andrew I-HsienDurham University2011

    … results were compared with a hydraulic model, HEC-RAS, which is a standard tool for flood hazard prediction in the UK. HEC-RAS is not without its own uncertainties however, so the aim of the model comparison was to benchmark Overflow against an established model, rather than validating the …

    durham Repository record

  11. Riverine flooding using GIS and remote sensing

    Dambe, NataliaSchool of Architecture, Planning and Geomatics2020

    … Engineering Center River Analysis System (HEC RAS) and HEC HMS models, developed by the USA Hydrologic Engineering Center of the Army Corps of Engineers in a data-poor environment of a developing country were successful, as a flood modeling tools in early warning systems and land use …

    cape-town Repository record

  12. Implementation of a one-dimensional hydrodynamic model for the Middle Paraguay River Basin

    Takahashi, Roberto HiroshiUniversity of Illinois at Urbana-Champaign2016

    A steady 1D hydraulic model (HEC-RAS) was implemented for the Middle Paraguay River Basin (MPRB), which comprises a reach between Porto Murtinho, Brazil, and Asunción, Paraguay. In order to prepare the model, first the topo-bathymetry was prepared by digitizing more than 10,000 depth points from …

    uiuc Repository record

  13. Modeling Flows for Assessing Tidal Energy Generation Potential

    Spurlock, Derek ScottVirginia Tech2008

    … TUFLOW, as well as one one-dimensional model, HEC-RAS, are used to analyze flows in the East River. Comparisons are made between the models and TUFLOW proves to best represent flows in the East River. HEC-RAS provides accurate results; however, the one-dimensional results lack the necessary …

    vt Repository record

  14. Culvert Hydraulics: Comparison of Current Computer Models

    Thiele, Elizabeth Anne2007

    … Engineering Center River Analysis System (HEC-RAS). While all of these programs can simulate the behavior of flow through a culvert, slightly different methodologies are utilized among the programs to complete a full hydraulic analysis, resulting in different predictions for headwater …

    byu Repository record

  15. Úprava koryta Hloučely

    Vysloužilová, LucieVysoké učení technické v Brně. Fakulta stavební

    … koryta byla vymodelována použitím programu HEC-RAS. Práce obsahuje posouzení stability koryta na základě výpočtu nevymílající rychlosti a návrh opatření proti silnému zanášení řešeného úseku. Další metody, které lze použít při řešení stability jsou podrobněji rozepsány.

    brno-tech Repository record

  16. Drone Imagery Applied to Enhance Flood Modeling

    Friedman, BriannaVirginia Tech2021

    … Engineering Center River Analysis System (HEC-RAS)) are commonly used hydrological-hydraulic based models. The third model, the Water Caused Erosion Patterns (WCEP) model, was proposed by the author to capitalize on the high-resolution drone imagery using geological-geomorphological …

    vt Repository record

  17. Modeling the Effects of Sea-Level Rise on Flooding in the Lower Ozama River Basin, Santo Domingo, Dominican Republic

    De Los Santos, MariaVirginia Tech2026

    … Basin, Santo Domingo. A one-dimensional (1D) HEC-RAS model was reconstructed from Belliard (2020) with newly incorporated bathymetric data, while a two-dimensional (2D) unsteady flow HEC-RAS model and a static bathtub model were used to simulate present and future inundation scenarios. The 1D …

    vt Repository record

  18. Reservoir compensation releases and the ecology of the River Derwent, Northumberland.

    Maynard, Carly MarieDurham University2010

    … were predicted, using a 1D hydrodynamic model (HEC-RAS), as part of a modelling process known as CRAM (Compensation Release Assessment at the Meso-scale). Depth and velocity were the foci of the analysis as they are the two habitat requirements most well documented for the fish species in …

    durham Repository record

  19. Minimizing the detrimental effects of hydro-peaking on riverbank instability: The lower Osage River case

    Mohammed-Ali, Wesam SameerMissouri University of Science and Technology

    … the integrated BSTEM model incorporated into the HEC-RAS model. The 1-D sediment transport and unsteady flow in the HEC-RAS model were accurately calibrated and validated using the USGS data. An optimization technique using the modified interval algorithm was applied to find an optimal outflow …

    must-thes Repository record

  20. An Improved Algorithmic Approach to Iterative Floodway Modeling using HECRAS and GIS

    Selvanathan, SivasankkarVirginia Tech2009

    … Engineering Center's River Analysis System (HEC-RAS) software is commonly used to perform hydraulic analysis for floodplain delineation studies. In addition to floodplains, the hydraulic analysis also includes modeling a floodway in detailed floodplain study areas. Floodway modeling is an …

    vt Repository record

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