Texas Tech University

NWI Researcher Directory

NAME / TITLE PHONE / EMAIL RESEARCH INTERESTS

Ancell, Brian, Ph.D.

Associate Professor,
Department of Geosciences

(806) 834-3143phone

brian.ancell@ttu.edu

Predictability of high-impact weather events on a wide range of scales.

Avetisyan, Misak, Ph.D.

Assistant Professor,
Department of Economics

(806) 834-6156phone

misak.avetisyan@ttu.edu

Environmental and resource economics; Energy economics; Economics analysis of natural and nan-made hazards; Energy security; International economics.

Bae, Sang-Wook, Ph.D.

Assistant Professor,
Department of Civil, Environmental, and Construction Engineering

(806) 834-4792phone

sangwook.bae@ttu.edu

Fiber reinforced polymer (FRP) composite material; Performance improvement of reinforced and prestressed concrete structures; Progressive collapse mitigation of concrete structures; Development of advanced repair and strengthening methods for corrosion-damaged concrete structures.

Barhorst, Alan, Ph.D., P.E.

Professor,
Department of Mechanical Engineering

(806) 834-4951phone

alan.barhorst@ttu.edu

Multi-Body, Elasto-Dynamics, and Control; Bio-mechanics; Fluid-Structure Interation; NDE (Acoustic Emission); Parametric Optimization; Robotics; Vibrations.

Barnes, Cal, Ph.D.

Department Chair and Professor,
Department of Geosciences

(806) 834-7389phone

cal.barnes@ttu.edu

Igneous petrology & geochemistry.

Bayne, Stephen, Ph.D.

Professor,
Department of Electrical and Computer Engineering

(806) 834-0526phone

stephen.bayne@ttu.edu

Power electronics for Hybrid Electric Vehicles (HEV); Design of compact power electronics converters; Evaluation of power devices for power electronics & pulse power applications.

Beruvides, Mario, Ph.D., P.E.

AT&T Professor,
Department of Industrial Engineering

(806) 834-8740phone

mario.beruvides@ttu.edu

Management of technology; Engineering management; White-collar/knowledge performance, measurement, production, and quality systems engineering; Applied ergonomics.

Boal, Clint, Ph.D.

Professor,
Department of Natural Resources Management

(806) 834-6536phone

clint.boal@ttu.edu

Contemporary research and information needs of wildlife management agencies.

Bruning, Eric, Ph.D.

Associate Professor,
Department of Geosciences

(806) 742-3120phone

eric.bruning@ttu.edu

Atmospheric electricity and lightning; cloud physics and dynamics; radar meteorology; severe storms meteorology.

Cao, Guofeng, Ph.D.

Assistant Professor,
Department of Geosciences

(806) 834-8920phone

guofeng.cao@ttu.edu

Spatiotemporal pattern modeling and analysis in geographic phenomena and processes integrating heterogeneous spatial and spatiotemporal data (e.g. downscaling and upscaling); Modeling spatiotemporal uncertainty, and the uncertainty propagation in analysis and models; Data and computation intensive spatiotemporal analysis and modeling, and Geospatial-Enabled cyberinfrastructure (or Cybergis); Domain applications in environmental sciences, public health and social sciences.

Chen, Xinzhong, Dr. Eng.

Professor, Ed and Linda Whitacre Faculty Fellow,
Department of Civil, Environmental and Construction Engineering

(806) 834-6794phone

xinzhong.chen@ttu.edu

Bridge and building aerodynamics; Wind engineering;
Fatigue and extreme loads and responses of large wind turbines; Aero-elastic instability of onshore and offshore Wind turbines;
Cable-Supported bridges and tall buildings; Structural dynamics and random wibration;
Structural reliability and performance-based design codes and standards.

Dahl, Johannes, Ph.D.

Assistant Professor, Department of Geosciences (ATMO)

(806) 834-1308phone

johannes.dahl@ttu.edu

Storm research: strong focus on organized convective storms, especially tornadic supercells, as well as meso- and synoptic-scale dynamics.

Ekwaro-Osire, Stephen, Ph.D.

Associate Dean for Research and Graduate Programs,
Whitacre College of Engineering

(806) 834-6197phone

stephen.ekwaro-osire@ttu.edu

Engineering design; Vibrations; Orthopaedic biomechanics, and Engineering education.

Tewodros Ghebrab. Ph.D., P.E.

Assistant Professor,
Department of Civil, Environmental, and Construction Engineering

(806) 834-3218phone

tewodros.ghebrab@ttu.edu

Performance of cement-based materials under adverse environments; effect of mineral/chemical admixtures on the structure-property relationships of cement-based materials; modeling of mechanical and physical properties of cementitious materials containing nano-sized mineral admixtures; effect of mineral admixtures on concrete containing recycled aggregates.

Ewing, Brad, Ph.D.

Professor,
Rawls College of Business

(806) 742-3188phone

bradley.ewing@ttu.edu

Energy economics; Energy policy; Energy sources; Geopolitics of energy; Ecological economics.

Giesselmann, Michael, Ph.D., P.E.

Department Chair and Professor,
Department of Electrical and Computer Engineering

(806) 834-6841phone

michael.giesselmann@ttu.edu

Power electronics; AC motor drives; Rotating machines; Utility power systems transformer design; Pulsed power technology; Computer simulations; Ignitrons gas discharges; High voltage and high current design; High-speed optical and electrical diagnostics (down to sub-ns regime); Digital data acquisition and image processing; Lasers.

Gilliam, Kathleen, Ph.D.

Instructor of Wind Energy
Adjunct Faculty

(806) 834-7638phone

kathleen.gilliam@ttu.edu

Under construction.

He, Miao, Ph.D.

Assistant Professor,
Department of Electrical and Computer Engineering

(806) 834-8962f

miao.he@ttu.edu

Cyber-physical power systems; Monitoring and data fusion towards secure smart grids; Power system operations with high penetration of renewable resources; Online dynamic security assessment of power systems using PMU measurements.

Hirth, Brian, Ph.D.

Research Professor,
National Wind Institute

(806) 834-0717f

brian.hirth@ttu.edu

Wind plant complex flows measurements; Field measurements of extreme wind events; Doppler radar measurements and data analysis; Data acquisition and software development.

Hui, Qing, Ph.D.

Associate Professor,
Department of Mechanical Engineering

(806) 742-3563 x238f

qing.hui@ttu.edu

Thermostabilization analysis and design for robustness and resilience in complex systems engineering; Human-interactive neuromorphic supercomputing networks via mobile autonomous and semiautonomous systems; Model-based and data-driven fault detection and diagnosis methods for large-scale distributed hybrid networks; Nature-inspired swarm intelligence algorithms and methods.

James, Darryl, Ph.D., P.E.

Vice Provost for Institutional Effectiveness, Professor,
Department of Mechanical Engineering

(806) 834-3386f

darryl.james@ttu.edu

Physical simulation of tornado−like vortices; Computational experimental fluid mechanics; Combined−mode heat transfer fluid mechanics; Turbulence−enhanced heat transfer.

Kang, Song-Lak, Ph.D.

Assistant Professor,
Department of Geosciences

(806) 834-0892f

song-lak.kang@ttu.edu

Atmospheric Boundary Layer (ABL); Wind power meteorology: Moist convection initiation; Interaction between Earth's surface and the atmosphere; Turbulence; Numerical weather prediction.

Li, Changzhi, Ph.D.

Associate Professor,
Department of Electrical and Computer Engineering

(806) 834-8682f

changzhi.li@ttu.edu

Doppler radar for biomedical and structural health monitoring; CMOS RF and analog circuits; Microwave circuits.

Liang, Daan, Ph.D.

Interim Director, NWI; Professor,
Department of Civil, Environmental and Construction Engineering

(806) 834-0383f

daan.liang@ttu.edu

Post-Storm Damage Assessment; Disaster; Resiliency; Remote Sensing; Distributed Wind Energy.

McComb, Robert, Ph.D.

Associate Professor,
Department of Economics

(806) 834-8852f

robert.mccomb@ttu.edu

Industrial organization; Development economics; Microeconomic theory; Public finance, public enterprise, privatization of public enterprise.

Mehta, Kishor, Ph.D., P.E.

P. W. Horn Professor,
Department of Civil, Environmental and Construction Engineering

(806) 834-5679f

kishor.mehta@ttu.edu

Wind loads on buildings and structures; Wind load standards and codes; Interdisciplinary research in natural hazard mitigation; Design for hurricanes and tornadoes; Damage investigation caused by windstorms.

Morse, Stephen M., Ph.D.

Assistant Professor,
Department of Civil, Environmental and Construction Engineering

(806) 834-3268f

stephen.m.morse@ttu.edu

Window glass strength design; Wind loads on structures; Finite element modeling of brittle materials; Large scale data processing and data mining.

Mulligan, Kevin, Ph.D.

Associate Professor,
Department of Economics and Geography

(806) 834-0391f

kevin.mulligan@ttu.edu

Applied geospatial technologies (Geographic Information Systems); Remote sensing; GPS; Geospatial database design; Digital cartography, terrain visualization and Internet mapping.

Nejat, Ali, Ph.D.

Assistant Professor,
Department of Civil, Environmental and Construction Engineering

(806) 834-4065f

ali.nejat@ttu.edu

Modeling dynamics of post-disaster recovery; Multi-agent systems; Agent-based modeling; System dynamics; Transportation construction management.

Norville, H. Scott, Ph.D., P.E.

Professor,
Department of Civil, Environmental and Construction Engineering

(806) 834-4534f

scott.norville@ttu.edu

Strength and behavior of window glass under extreme loading; blast resistant glazing design; strength of heat-treated glass; behavior of tripled-glazed insulating glass units; strength and behavior of laminated glass with high performance interlayers; development of standards for testing and designing window glass.

Parameswaran, Siva, Ph.D.

Professor and Director of Graduate Program, Department of Mechanical Engineering

(806) 834-8255f

siva.parameswaran@ttu.edu

Designing better High Frequency Oscillating Ventilators (HFOV) for critical care pulmonary medicine; Modeling far-wake development behind wind turbine with swirl; Developing computational models for turbine-turbine interaction in off-shore wind farms; Developing unsteady, turbulence models for accurate prediction of lift-coefficients for flow around bluff bodies; Numerical issues of a thermal model for a battery system.

Peterson, Richard, Ph.D.

Professor,
Department of Geosciences

(806) 834-3418frichard.peterson@ttu.edu

Atmospheric vortices (hurricanes and tornadoes); Boundary-Layer meteorology; Dynamics of severe storms; Duststorms; History of meteorology and wind engineering.

Rainwater, Kenneth, Ph.D., P.E., D.W.R.E.

Professor,
Department of Civil, Environmental and Construction Engineering

(806) 834-7775f

ken.rainwater@ttu.edu

Water resources management; Groundwater flow and contaminant transport; Groundwater rights; Remediation of contaminated soil; Groundwater and watershed management.

Rao, Vittal, Ph.D.

Professor,
Department of Electrical and Computer Engineering

(806) 834-4293f

vittal.rao@ttu.edu

Electrical energy smart grid technologies; Smart structural systems; Tera−Hertz technologies; Cyber systems; Robust control systems; Data fusion & mining.

Reible, Danny, Ph.D., P.E.

Dunovan Maddox Distinguished Engineering Chair, Professor
Department of Chemical Engineering and Department of Civil, Environmental and Construction Engineering

(806) 834-8050f

danny.reible@ttu.edu

Contaminant fate and behavior in the environment; modeling environmental processes; assessment and management of contaminated sediments; treatment and recycling of produced and flowback waters; sustainable management of water resources.

Ren, Beibei, Ph.D.

Assistant Professor,
Department of Mechanical Engineering

(806) 834-6692f

beibei.ren@ttu.edu

Nonlinear system control methods and algorithm design: Robust control; adaptive control; neural networks; Boundary control of systems modeled by PDEs; Real-time optimization using extremum seeking.

Schroeder, John, Ph.D.

Professor,
Department of Atmospheric Science

(806) 834-5678f

john.schroeder@ttu.edu

Boundary layer wind flow structure; Wind energy; Wind engineering; Severe storms; Tropical cyclone structure; Wind plant optimization.

Seo, Hoyoung, Ph.D., P.E.

Assistant Professor,
Department of Civil, Environmental and Construction Engineering

(806) 834-5690f

hoyoung.seo@ttu.edu

Foundation engineering; Analytical and numerical methods in geomechanics; Geotechnical instrumentation and monitoring; Development of in situ-test- and reliability-based design methods; Rock mechanics and rock engineering; Water jet applications in construction engineering.

Smith, Douglas A., Ph.D., P.E.

Associate Professor,
Department of Civil, Environmental, and Construction Engineering

(806) 834-6179f

doug.smith@ttu.edu

Bluff body aerodynamics; Structural response to wind induced loading; Atmospheric boundary layer flows; Hurricane wind and surge damage prediction; Papercrete material usage and properties.

Smith, Milton, Ph.D., P.E.

Professor,
Department of Industrial Engineering

(806) 834-1267f

milton.smith@ttu.edu

Production scheduling and control including sequencing and scheduling algorithms; Simulation modeling of manufacturing systems; Design and evaluation of production systems, and Impact testing of materials Including hail and explosive propelled objects.

Smith, Philip D., Ph.D.

Associate Professor,
TTU Institute of Environmental and Human Health (TIEHH)

(806) 885-4567f

phil.smith@ttu.edu

Air issues; Persistent organic pollutant exposure issues.

Sutton, Vickie, Ph.D., J.D. P. W.

P. W. Horn Professor, Associate Dean for Research and Faculty Development, Director of Center for Biodefense, Law and Public Policy,
School of Law

(806) 834-1752f

vickie.sutton@ttu.edu

Environmental law; Lawl Science policy and scientific evidence; Native American law; Law and biotechnology; Law and bioterrorism; Constitutional law; Law, science and environment.

Swift, Andy, Sc.D.

Associate Director,
Education, NWI; Professor, Department of Civil, Environmental and Construction Engineering

(806) 834-1990f

andy.swift@ttu.edu

Wind energy.

Tanner, Larry, P.E., R.A.

Research Assistant Professor,
Manager, NWI Debris Impact Facility

(806) 834-2320f

larry.tanner@ttu.edu

Storm investigation and documentation; Impact testing of materials for hazard mitigation; Mapping damage utilizing unmanned aerial systems.

Weiss, Chris, Ph.D.

Associate Professor,
Department of Geosciences

(806) 834-4712f

chris.weiss@ttu.edu

Severe thunderstorms; Tornado genesis and structure; Drylines and convection initiation; Radar meteorology.

Westergaard, Carsten H., Ph.D.

Professor of Practice,
Department of Mechanical Engineering

(806) 834-7080f

carsten.westergaard@ttu.edu

Wind energy technology and innovation; Aero-elasticity; Fluid structure interaction; Aerodynamics; Turbulence; Optical measurement technology; Microfluidics.

Yang, Jingzhou James, Ph.D.

Assistant Professor,
Department of Mechanical Engineering

(806)834-6746f

james.yang@ttu.edu

Biomechanics and bio-inspired systems; Robotics and multibody dynamic systems; Human modeling and simulation; Human locomotion; Slips and falls; Spine biomechanics; Human-centric design; Healthcare engineering.

Zuo, Delong, Ph.D.

Associate Professor,
Department of Civil, Environmental and Construction Engineering

(806) 834-0383f

delong.zuo@ttu.edu

Wind loading on structures; Structural vibration and control; Characterization and numerical simulation of wind fields; Performance and loading of wind turbines.