Index Catalog // GW ScholarSpace

Roadway Traffic Collision Analysis and Mitigation Using Data Analytics and Microscopic Driver Behavioral Modeling

Description:: With the billions of vehicle miles traveled and millions of vehicular collisions occurring annually, collision mitigation and prevention are of top priority. To fully grasp the impact of collision occurrence on roadways, both the macroscopic and microscopic scales need to be addressed. On the...
Author:: Silverstein, Claire
Keyword:: Data Analytics, Microscopic, Macroscopic, Traffic Modeling, and Driving Simultor
GW Unit:: Civil & Environmental Engineering
Degree:: Ph.D.
Advisor:: Hamdar, Samer H
Committee Member(s):: Li, Tianshu, Manzari, Majid, Roddis, Kim, Hamdar, Samer H, and Eskandarian, Azim
Resource Type:: Thesis or Dissertation

EVALUATION OF ENHANCED DIGESTION PROCESSES FOR TREATMENT

Description:: The increasing demand for wastewater treatment has increased the generation of sewage sludge, thereby increasing the importance of treatment and disposal of sludge in a sustainable manner.Two advanced digestion processes were operated for treatment of municipal sludge for this study: (i) Acid/gas...
Author:: Koyunluoglu Aynur, Sebnem
Keyword:: Municipal Sludge, Pathogen Removal, Enhanced Digestion, and Ammonia Inhibition
GW Unit:: Civil & Environmental Engineering
Degree:: Ph.D.
Advisor:: Riffat, Rumana and Murthy, Sudhir
Committee Member(s):: Riffat, Rumana, Murthy, Sudhir, Manzari, Majid, Garrahan, Kevin, and Roddis, Kim
Resource Type:: Thesis or Dissertation

Investigation into the flow field around a maneuvering submarine using a Reynolds-Averaged Navier-Stokes code

Description:: The accurate and efficient prediction of hydrodynamic forces and moments on a maneuvering submarine has been achieved by investigating the flow physics involving the interaction of the vortical flow shed from the sail and the cross-flow boundary layer of the hull. In this investigation, a...
Author:: Rhee, Bong
Keyword:: Two-Equation Turbulence Model, Pitch up and pitch down, Reynolds-Averaged Navier-Stokes equation, Submarine Maneuvering, Drift Angle and angle of attack, and Computational Fluid Dynamics
GW Unit:: Civil & Environmental Engineering
Degree:: Ph.D.
Advisor:: Haque, Muhammad
Committee Member(s):: Eskandarian, Azim, Gorski, Joseph, Roddis, Kim, and Garris, Charles
Resource Type:: Thesis or Dissertation

Investigation of Denitrification Kinetics at Warm Temperature using Respirometer

Description:: The Chesapeake Bay Agreement has forced many utilities in the watershed to research new and improved methods to reduce nitrogen concentrations in the bay. To achieve this goal, District of Columbia Water and Sewer Authority (DCWASA) is voluntarily exploring technologies that can help reduce its...
Author:: Salam, Nazia
Keyword:: Respirometer, Denitrification Kinetics, Half Saturation Coefficient, and SDNR
GW Unit:: Civil & Environmental Engineering
Degree:: M.S.
Advisor:: Riffat, Rumana
Committee Member(s):: Murthy, Sudhir, Roddis, Kim, and Mi, Baoxia
Resource Type:: Thesis or Dissertation

Development and Validation of Finite Element Models and Analysis of Critical Parameters of High-Tension Cable Barrier Systems

Description:: This project focuses on the development, validation, and sensitivity analysis of finite element models of high-tension cable barrier systems. The literature review details the available cable barrier systems, performance reviews of high-tension systems, and the previous development of a...
Author:: Galli, Richard Michael
Keyword:: Cable Barriers, FEA, and Finite Element Analysis
GW Unit:: Civil & Environmental Engineering
Degree:: M.S.
Advisor:: Eskandarian, Azim and Marzogui, Dhafer
Committee Member(s):: Manzari, Majid T. and Roddis, Kim
Resource Type:: Thesis or Dissertation

Bench Scale Evaluation of two Enhanced Digestion Processes: Enhanced Enzymic Hydrolysis and Acid-Gas Phased Digestion

Description:: The overall objective of this research was to make a comparative evaluation of two enhanced digestion processes for digestion of thickened municipal sludge from Blue Plains Advanced Wastewater Treatment plant. The digestion processes studied were Enhanced Enzymic Hydrolysis (Process I) and...
Author:: AHMED, FARID
Keyword:
GW Unit:: Civil & Environmental Engineering
Degree:: M.S.
Advisor:: Riffat, Rumana
Committee Member(s):: Riffat, Rumana, Murthy, Sudhir, Roddis, Kim, and Mi, Baoxia
Resource Type:: Thesis or Dissertation

Analysis of Reinforced/Prestressed Concrete Members Using Advanced Techniques

Description:: Analysis of bonded reinforced and prestressed concrete members for flexure should be conducted using the strain compatibility approach as stipulated by the ACI-318 design code published by the American Concrete Institute and the AASHTO LRFD Specifications published by the American Association of...
Author:: Pipp, Gabrielle
Keyword:: reinforced/prestressed concrete, prestress loss, interaction diagram, power formula, flexure, and strain compatibility
GW Unit:: Civil & Environmental Engineering
Degree:: M.S.
Advisor:: Badie, Sameh S
Committee Member(s):: Manzari, Majid T and Roddis, Kim
Resource Type:: Thesis or Dissertation

DEVELOPMENT OF A PROCESS FOR HARMFUL ALGAL BLOOM LOCATION PREDICTION USING GIS AND TREND ANALYSIS FOR THE TERRESTRIAL WATERS OF KUWAIT

Description:: The State of Kuwait is situated at the northwestern end of the Persian Gulf and has a population of 2.5 million people, the vast majority of whom live along the southeastern stretch of its 500 km coastline. Kuwait Bay, a shallow natural harbor situated at the eastern "mouth" of the country, lies...
Author:: Shuhaibar, Bassam Nabeel
Keyword:: Red tide, N, P Ratio, Holt-Winters' Additive, Kuwait Bay, Harmful algal bloom, and GIS
GW Unit:: Civil & Environmental Engineering
Degree:: Ph.D.
Advisor:: Riffat, Rumana
Committee Member(s):: Tallent, Robert, Manzari, Majid T, Roddis, Kim, and Choudhury, Sayedul H
Resource Type:: Thesis or Dissertation

Full Depth Precast Deck Panel Systems Supported by a System of Discrete Haunches

Description:: Full-depth precast panel systems are one of the categories of accelerated bridge construction. This type of construction has many advantages in comparison with other methods of construction. Per AASHTO LRFD Specifications, the spacing of shear connectors is limited to 4 ft for concrete girders,...
Author:: Zamani, Arzhang
Keyword:
GW Unit:: Civil & Environmental Engineering
Degree:: Ph.D.
Advisor:: Badie, Sameh S.
Committee Member(s):: Badie, Sameh S., Silva, Pedro F., Manzari, Majid T., Roddis, Kim, and Arab, Amir A.
Resource Type:: Thesis or Dissertation

Protection of Rear Seat Occupants in Frontal Crashes, Assessment Methodology and Injury Metrics

Description:: Historically, rear seat positions have been considered safer than front seat positions, especially during frontal crashes. However, recent crash test results, with dummies included in their rear seats, have shown high injury measures for those dummies, exceeding the injury limits proposed by...
Author:: Sahraei Esfahani, Elham
Keyword:: Effectiveness, Frontal crash, Occupant protection, Rear seat occupant, and Stiffness of vehicle
GW Unit:: Civil & Environmental Engineering
Degree:: Ph.D.
Advisor:: Digges, Kennery and Marzougui, Dhafer
Committee Member(s):: Eskandarian, Azim, Hamdar, Samer, Roddis, Kim, and Eigen, Anna Maria
Resource Type:: Thesis or Dissertation

CHARACTERIZING DENITRIFICATION KINETICS AND STOICHIOMETRY AT DIFFERENT TEMPERATURES USING VARIOUS CARBON SOURCES

Description:: Facilities across North America are designing plants to meet stringent limit of technology (LOT) treatment for nitrogen removal (3 mg/L total effluent nitrogen). The Blue Plains Advanced Wastewater Treatment Plant (AWTP) is one of many facilities in the Chesapeake Bay regions evaluating its...
Author:: Mokhayeri, Yalda
Keyword:
GW Unit:: Civil & Environmental Engineering
Degree:: Ph.D.
Advisor:: Riffat, Rumana and Murthy, Sudhir
Committee Member(s):: Manzari, Majid, Roddis, Kim, Mi, Baoxia, and Badie, Sameh
Resource Type:: Thesis or Dissertation

New tools for smoke residue and deposition analysis

Description:: The physics of smoke deposition from a hot layer to a wall has been studied in a hood apparatus. The hood apparatus was specifically designed to study the smoke deposition based on thermophoresis experimentally and analytically in this work. For the first time the optical density method was used...
Author:: Riahi, Siamak
Keyword:: Gray scale, Fire, Analysis, Deposition, Thermophoresis, and Smoke
GW Unit:: Civil & Environmental Engineering
Degree:: Ph.D.
Advisor:: Roddis, W.M. Kim and Beyler, Craig
Committee Member(s):: Riffat, Rumana, Keidar, Michael, Roddis, Kim, Sunderland, Peter, Beyler, Craig, and Silva, Pedro
Resource Type:: Thesis or Dissertation

Reliability analysis of slender RC bridge columns under the combined effects of gravity and lateral loads

Description:: The latest philosophy adopted by the American Association of State Highway and Transportation Officials (AASHTO), and Federal Highway Administration (FHWA) is the Load and Resistance Factor Design (LRFD) method. This philosophy accounts for the inherent uncertainties both in demand and capacity...
Author:: Heydarpour, Parsa
Keyword:: P-Delta effects, Nonlinear time history analysis, Reliability analysis, and RC bridge columns
GW Unit:: Civil & Environmental Engineering
Degree:: Ph.D.
Advisor:: Silva, Pedro F
Committee Member(s):: Critchfield, Milton, Manzari, Majid, Roddis, Kim, and Badie, Sameh
Resource Type:: Thesis or Dissertation

Finite Element Modeling of Pretensioned Concrete Girders: A Methodological Approach with Applications in Large Strands and End Zone Cracking

Description:: Two issues pertaining to the current state of pretensioning industry are investigated in this research: spacing of 0.7-in. diameter strands and effectiveness of end zone reinforcing details. Given the current economic constraints and the limitation of testing facilities, there is a great need for...
Author:: Arab, Amir A.
Keyword:: End Zone Cracking, Transfer Length, 0.7-in. Diameter Strands, Pretensioned Concrete, Finite Element, and Elastoplastic
GW Unit:: Civil & Environmental Engineering
Degree:: Ph.D.
Advisor:: Manzari, Majid T and Badie, Sameh S
Committee Member(s):: Roddis, Kim, Silva, Pedro F, and Dekelbab, Waseem
Resource Type:: Thesis or Dissertation

Development of a Novel Steering Control Collision Avoidance System

Description:: In this research development of a steering collision avoidance system was investigated. First, different control approaches to perform an evasive collision avoidance maneuver using active steering was presented. Both linear and nonlinear controllers to control the combined lateral and...
Author:: Soudbakhsh, Damoon
Keyword:: Collision avoidance, Linear controller, Optimization, Sliding Mode Controller, Neighboring Optimal Control, and Collocation
GW Unit:: Civil & Environmental Engineering
Degree:: Ph.D.
Advisor:: Eskandarian, Azim and Roddis, Kim
Committee Member(s):: Eskandarian, Azim, Manzari, Majid, Hamdar, Samer, Roddis, Kim, and Bared, Joe
Resource Type:: Thesis or Dissertation

Roadway Traffic Collision Analysis and Mitigation Using Data Analytics and Microscopic Driver Behavioral Modeling

EVALUATION OF ENHANCED DIGESTION PROCESSES FOR TREATMENT

Investigation into the flow field around a maneuvering submarine using a Reynolds-Averaged Navier-Stokes code

Investigation of Denitrification Kinetics at Warm Temperature using Respirometer

Development and Validation of Finite Element Models and Analysis of Critical Parameters of High-Tension Cable Barrier Systems

Bench Scale Evaluation of two Enhanced Digestion Processes: Enhanced Enzymic Hydrolysis and Acid-Gas Phased Digestion

Analysis of Reinforced/Prestressed Concrete Members Using Advanced Techniques

DEVELOPMENT OF A PROCESS FOR HARMFUL ALGAL BLOOM LOCATION PREDICTION USING GIS AND TREND ANALYSIS FOR THE TERRESTRIAL WATERS OF KUWAIT

Full Depth Precast Deck Panel Systems Supported by a System of Discrete Haunches

Protection of Rear Seat Occupants in Frontal Crashes, Assessment Methodology and Injury Metrics

CHARACTERIZING DENITRIFICATION KINETICS AND STOICHIOMETRY AT DIFFERENT TEMPERATURES USING VARIOUS CARBON SOURCES

New tools for smoke residue and deposition analysis

Reliability analysis of slender RC bridge columns under the combined effects of gravity and lateral loads

Finite Element Modeling of Pretensioned Concrete Girders: A Methodological Approach with Applications in Large Strands and End Zone Cracking

Development of a Novel Steering Control Collision Avoidance System

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