{"id":{"repo_id":"utc","oai_identifier":"oai:scholar.utc.edu:theses-1821"},"canonical_url":"https://search.dev.ndltd.org/etd/utc/oai:scholar.utc.edu:theses-1821","repository":{"repo_id":"utc","name":"University of Tennessee - Chattanooga","base_url":"https://scholar.utc.edu/do/oai/"},"display":{"title":"Three-dimensional hydrodynamic model set-up: a case study of middle Tennessee River","abstract":"The Environmental Protection Agency's (EPA) Environmental Fluid Dynamics Code (EFDC) is a widely used hydrodynamics model that is no longer up to date with modern technology. As part of this research, an automated MATLAB based structured grid generator for EFDC was developed and was tested by developing a test model for Tennessee River near Chattanooga area. The test model was developed for a 9.92 km long segment of the Tennessee River starting from the downstream of the Chickamauga dam to upstream of Moccasin island. The model was calibrated against measured water flows, velocities and gage heights from January 1 to June 27, 2008. The Nash-Sutcliffe coefficients for velocities and gage heights were 0.788 and -6.61 respectively. Overall the model could simulate the field condition effectively. However, a detailed bathymetry is required, and the current limitation of the grid generators manual adjustments need to be addressed to produce better simulation results.","abstract_html":"The Environmental Protection Agency's (EPA) Environmental Fluid Dynamics Code (EFDC) is a widely used hydrodynamics model that is no longer up to date with modern technology. As part of this research, an automated MATLAB based structured grid generator for EFDC was developed and was tested by developing a test model for Tennessee River near Chattanooga area. The test model was developed for a 9.92 km long segment of the Tennessee River starting from the downstream of the Chickamauga dam to upstream of Moccasin island. The model was calibrated against measured water flows, velocities and gage heights from January 1 to June 27, 2008. The Nash-Sutcliffe coefficients for velocities and gage heights were 0.788 and -6.61 respectively. Overall the model could simulate the field condition effectively. However, a detailed bathymetry is required, and the current limitation of the grid generators manual adjustments need to be addressed to produce better simulation results.","abstract_has_math":false,"creators":["Roy, Shuvashish"],"institution":"University of Tennessee at Chattanooga","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Bathi, Jejal","Ghasemi, Arash; Wu, Weidong; Owino, Joseph; Fomunung, Ignatius; Onyango, Mbakisya A.","College of Engineering and Computer Science"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2021,"date_issued":"2021-01-01T08:00:00Z","date_published":"2021-01-01T08:00:00Z","updated_at":"2026-07-24T05:46:59Z","subjects":["Hydrodynamics","Numerical grid generation (Numerical analysis)","Streamflow","Tennessee River"],"languages":["English","eng"],"rights":[],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[]},"links":{"outbound_url":"https://scholar.utc.edu/theses/657","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Bathi, Jejal","Ghasemi, Arash; Wu, Weidong; Owino, Joseph; Fomunung, Ignatius; Onyango, Mbakisya A.","College of Engineering and Computer Science"]},{"key":"dc:creator","label":"Author","values":["Roy, Shuvashish"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2020-05-01T07:00:00Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2021-01-01T08:00:00Z"]},{"key":"dc:publisher","label":"Institution","values":["University of Tennessee at Chattanooga","Chattanooga (Tenn.)"]},{"key":"dc:relation","label":"Dc Relation","values":["Masters Theses and Doctoral Dissertations"]},{"key":"dc:type","label":"Dc Type","values":["Masters theses","Text"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Hydrodynamics","Numerical grid generation (Numerical analysis)","Streamflow","Tennessee River"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://scholar.utc.edu/theses/657"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Dept. of Civil and Chemical Engineering","M. S.; A thesis submitted to the faculty of the University of Tennessee at Chattanooga in partial fulfillment of the requirements of the degree of Master of Science."]},{"key":"dc:description.abstract","label":"Abstract","values":["The Environmental Protection Agency's (EPA) Environmental Fluid Dynamics Code (EFDC) is a widely used hydrodynamics model that is no longer up to date with modern technology. As part of this research, an automated MATLAB based structured grid generator for EFDC was developed and was tested by developing a test model for Tennessee River near Chattanooga area. The test model was developed for a 9.92 km long segment of the Tennessee River starting from the downstream of the Chickamauga dam to upstream of Moccasin island. The model was calibrated against measured water flows, velocities and gage heights from January 1 to June 27, 2008. The Nash-Sutcliffe coefficients for velocities and gage heights were 0.788 and -6.61 respectively. Overall the model could simulate the field condition effectively. However, a detailed bathymetry is required, and the current limitation of the grid generators manual adjustments need to be addressed to produce better simulation results."]},{"key":"dc:title","label":"Title","values":["Three-dimensional hydrodynamic model set-up: a case study of middle Tennessee River"]}]}],"canonical_facts":{"dc:contributor":["Bathi, Jejal","Ghasemi, Arash; Wu, Weidong; Owino, Joseph; Fomunung, Ignatius; Onyango, Mbakisya A.","College of Engineering and Computer Science"],"dc:creator":["Roy, Shuvashish"],"dc:date":["2020-05-01T07:00:00Z"],"dc:date.available":["2021-01-01T08:00:00Z"],"dc:description":["Dept. of Civil and Chemical Engineering","M. S.; A thesis submitted to the faculty of the University of Tennessee at Chattanooga in partial fulfillment of the requirements of the degree of Master of Science."],"dc:description.abstract":["The Environmental Protection Agency's (EPA) Environmental Fluid Dynamics Code (EFDC) is a widely used hydrodynamics model that is no longer up to date with modern technology. As part of this research, an automated MATLAB based structured grid generator for EFDC was developed and was tested by developing a test model for Tennessee River near Chattanooga area. The test model was developed for a 9.92 km long segment of the Tennessee River starting from the downstream of the Chickamauga dam to upstream of Moccasin island. The model was calibrated against measured water flows, velocities and gage heights from January 1 to June 27, 2008. The Nash-Sutcliffe coefficients for velocities and gage heights were 0.788 and -6.61 respectively. Overall the model could simulate the field condition effectively. However, a detailed bathymetry is required, and the current limitation of the grid generators manual adjustments need to be addressed to produce better simulation results."],"dc:identifier":["https://scholar.utc.edu/theses/657"],"dc:language":["English","eng"],"dc:publisher":["University of Tennessee at Chattanooga","Chattanooga (Tenn.)"],"dc:relation":["Masters Theses and Doctoral Dissertations"],"dc:rights":["http://rightsstatements.org/vocab/InC/1.0/"],"dc:subject":["Hydrodynamics","Numerical grid generation (Numerical analysis)","Streamflow","Tennessee River"],"dc:title":["Three-dimensional hydrodynamic model set-up: a case study of middle Tennessee River"],"dc:type":["Masters theses","Text"]},"updated_at":"2026-07-24T05:46:59Z"}