Thesis title: A feasibility study on scour countermeasures around bridge piers Advisor: Dr. Melih Yanmaz

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1 CV-CELALETTIN EMRE OZDEMIR 1/5 CELALETTIN EMRE OZDEMIR POSTDOCTORAL INVESTIGATOR WOODS HOLE OCEANOGRAPHIC INSTITUTION 266 Woods Hole Rd. MS # 12 Woods Hole, MA PH: cozdemir@whoi.edu EDUCATION PH.D., CIVIL ENGINEERING, UNIVERSITY OF FLORIDA AUGUST 2010 Dissertation title: Numerical simulation of particle-laden flow in oscillatory channel and its implication on wave suspended sediment transport Advisors: Dr. Tian-Jian Hsu & Dr. S. Balachandar M.S., CIVIL ENGINEERING, MIDDLE EAST TECHNICAL UNIVERSITY JULY 2003 Thesis title: A feasibility study on scour countermeasures around bridge piers Advisor: Dr. Melih Yanmaz B.S., CIVIL ENGINEERING, MIDDLE EAST TECHNICAL UNIVERSITY JUNE 2001 GPA:3.24/4.00 RESEARCH & TEACHING EXPERIENCE POSTDOCTORAL INVESTIGATOR FEBRUARY 2012-PRESENT Woods Hole Oceanographic Institution Woods Hole, MA, Working on data analysis and disperse two-phase simulations to investigate the energy dissipation of fluid mud in continental shelf. POSTDOCTORAL RESEARCHER AUGUST 2010-JANUARY 2012 Civil and Environmental Engineering, University of Delaware, Newark, DE, Conducted dispersed two-phase simulations to investigate the dynamics of lutocline and fate of fluid mud in continental shelf. Conducted direct numerical simulations to assess boundary layer turbulence under solitary waves. Conducted point particle simulations to assess the effect of physical mechanisms in planar shock waves. RESEARCH ASSISTANT JANUARY 2006-AUGUST 2010 Civil Engineering, University of Florida, Gainesville, FL Conducted dispersed two-phase simulations in oscillatory channel by parallel direct numerical flow solver to investigate sediment transport mechanisms under waves Conducted dispersed two-phase simulations using 1DV k-ε turbulent model Investigated complex turbulent flow around culvert structures using FLUENT Investigated the flow in spillways and its impact on downstream scour using FLUENT

2 CV-CELALETTIN EMRE OZDEMIR 2/5 RESEARCH & TEACHING EXPERIENCE RESEARCH ASSISTANT AUGUST 2003-DECEMBER 2005 IIHR-Hydroscience and Engineering, University of Iowa, Iowa City, IA, Investigated turbulent flow around complex hydraulic structures using IIHR s inhouse computational code U2RANS and FLUENT Investigated turbulent wind flow around rainfall measuring devices to assess the systematic measurement errors. RESEARCH/TEACHING ASSISTANT SEPTEMBER 2001-JULY 2003 Civil Engineering, Middle East Technical University, Ankara, Turkey, Lectured Water Resources Engineering class (CE 471) to senior students. COMPUTER SKILLS CFD SOFTWARE Preprocessing tools: GRIDGEN, GAMBIT CFD Flow Solvers: FLUENT, IIHR s U2RANS, Open FOAM Postprocessing tools: TECPLOT, ParaView PROGRAMMING LANGUAGES USED: FORTRAN 77/90, C++ ALSO FAMILIAR WITH: Matlab, Mathcad, Mathematica RESEARCH INTERESTS SEDIMENT TRANSPORT - Two phase flow modeling of particulate flows and its parameterization in large scale models - Assessment the fate of sediment, nutrient, plankton, and pollutant through modeling - Turbulence-particle interaction - Break up and agglomeration processes in fluid-mud COMPUTATIONAL FLUID DYNAMICS - Simulation & modeling of multi-scale processes of fluid dynamics and multi-phase flow - Direct numerical simulation (D.N.S.) and analyses of turbulent flows - Parallel computing - Disperse two-phase flow modeling - Simulation and modeling of turbulent flow around complex morphology/structures PUBLICATIONS PEER REVIEWED PUBLICATIONS IN JOURNALS 1. Dai A., Ozdemir C.E., M. I. Cantero, & S. Balachandar 2012 Gravity currents from instantaneous sources down a slope, J. Hydr. Engineering, 138,3. doi: /(ASCE)HY (Significant contributor). 2. Ozdemir, C. E., Hsu, T-J., & Balachandar, S A numerical simulation of lutocline dynamics and saturation of fine sediment in the oscillatory boundary layer. J. Geophys. Res.-Oceans, 116, C doi: /2011jc (Main author)

3 CV-CELALETTIN EMRE OZDEMIR 3/5 PUBLICATIONS 3. Ozdemir, C. E., Hsu, T-J., & Balachandar, S A numerical investigation of fine particle laden flow in oscillatory channel: the role of particle-induced density stratification. J. Fluid Mech., 665, doi: /s (Main author). 4. Ozdemir, C. E., Hsu, T-J, & Balachandar, S Simulation of fine sediment transport in oscillatory boundary layer. Journal of Hydro-environment Research, 3, [invited paper] (Main author). 5. Hsu, T.-J., Ozdemir C. E., & Traykovski P. A High resolution numerical modeling of wave-supported gravity-driven fluid mud transport. J. Geophys. Res.- Oceans, 114, C05014, doi: /2008JC (Significant contributor) 6. Constantinescu, G.S., Krajewski, W.F., Ozdemir, C.E. & Tokyay, T Simulation of flow around raingauges: Comparison of LES with RANS models, Advances in Water Resources, 30, doi: /j.advwatres (Main author) MANUSCRIPTS IN PREPARATION 1. Ozdemir, C.E., T-J Hsu, & S. Balachandar A Direct numerical simulation study on boundary layer turbulence under a solitary wave: the flow transience and the effect of initial conditions, J. Fluid Mech. 2. Ozdemir, C.E., T-J Hsu, & S. Balachandar A numerical investigation on fine sediment transport in boundary layer: the effect of wave intensity, J. Geophys. Res.- Oceans. 3. Cheng, Z, C.E. Ozdemir,T-J Hsu, & S. Balachandar Particle inertia effects on sediment transport on oscillatory channel flow. REFEREED CONFERENCE PROCEEDINGS 1. Ozdemir, C. E, Hsu T.-J., & Balachandar, S Numerical simulation of fine sediment transport in wave boundary layer. Proceedings of Coastal Sediments 11 (ed s P. Wang, J. Rosati, & T. M. Roberts), pp , World Scientific. 2. Ozdemir, C. E, Hsu T.-J., & Balachandar, S Fine particle laden flow simulations with simplified Eulerian-Eulerian approach. Proceedings of 7th International conference on Multiphase Flow- ICMF paper , pp.1-7, ICMF 3. Ozdemir, C. E., Hsu, T.-J., & Balachandar, S The dynamics of fluid mud transport in the oscillatory boundary layer using direct numerical simulation. Proceedings of the 2nd International Symposium on Shallow Flows (ISSF), ASCE. TECHNICAL REPORTS 1. Ozdemir, C. E., & Hsu, T.-J D CFD modeling of spillway flow and its implication to downstream erosion, Water Resources Research Center Report FY 2008 for WRRC: 2006FL146B. 2. Ozdemir, C. E., & Hsu, T.-J Complex flows through culvert structures by CFD modeling Florida Water Resources Research Center, FY2008 for WRRC:2006FL146B. 3. Hsu, T.-J., Newman, M. A., & Ozdemir, C. E., Erosion at hydraulic structure A literature survey, Water Resource Research Center Report WRRC:2006FL145B. ABSTRACTS (CONFERENCE/ MEETINGS) 1. T.-J. Hsu, C. E. Ozdemir, X. Yu, and S. Balachandar Understanding the state of muddy seabed a numerical study utilizing the multiphase flow approach. AGU 2012 Fall Meeting (invited talk)

4 CV-CELALETTIN EMRE OZDEMIR 4/5 ABSTRACTS HONORS & AWARDS 2. J. R. Davis, C. E. Ozdemir, S. Balachandar, T. J. Hsu Development of a distributed memory parallel multiphase model for the direct numerical simulation of bottom boundary layer turbulence under combined wave-current flows. AGU 2012 Fall Meeting (submitted) 3. X. Yu, C. E. Ozdemir, T.-J. Hsu, and S. Balachandar Numerical simulation on fine sediment transport in steady and oscillatory boundary layer The role of rheology. 65 th Annual Meeting of the APS Division of Fluid Dynamics, San Diego, CA. (submitted) 4. T.-J. Hsu, X. Yu, C. E. Ozdemir, Z. Cheng, S. Balachandar 2012 A 3D numerical investigation of fine sediment transport in an oscillatory channel. ICCE 2012 Conference Santander, Spain. (honored as outstanding contribution to ICCE 2012) 5. Ozdemir, C.E, Hsu T.-J., Traykovski, P. & Balachandar, S d numerical simulation of fine sediment transport in oscillatory channel the effect of wave intensity. Ocean Sciences Meeting, Salt Lake City, UT (Abst id: 9508). 6. Yu, X., Ozdemir,C. E., Cheng, Z., Hsu, T., & Balachandar, S Numerical simulation on fine sediment transport in the oscillatory boundary layer the role of rheology and particle inertia. Ocean Sciences Meeting, Salt Lake City, UT(Abst id: 10313). 7. Ozdemir, C.E, Hsu T.-J., & Balachandar, S The Effect of wave intensity on fine sediment transport in oscillatory channel. 64 th Annual Meeting of the APS Division of Fluid Dynamics, Baltimore, MD, DFD Hsu, T-J., Ozdemir, C. E., Yu, X., Snyder P. J., Chen, J-L., & Shi, F The trapping and delivery of fine sediment in the coastal environment, AGU Chapman Conference for sediment source to sink 9. Ozdemir, C. E, Hsu T.-J., & Balachandar, S Numerical investigation of lutocline in oscillatory boundary layer, AGU 2010 Fall Meeting Suppl., Abstract OS54A Ozdemir, C. E, Hsu T.-J., & Balachandar, S The Role of Turbulence Modulation in Wave-induced Fine Sediment Transport, Eos Trans. AGU, 91(26), Ocean Sci. Meet. Suppl., Abstract GO31A Hsu, T. J., Ozdemir, C. E., Son, M., Torres-Freyermuth, A., & Balachandar, S., 2008 A numerical modeling framework for fluid mud transport in estuary and continental shelf. Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract OS11F Ozdemir, C. E, Hsu T.-J., & Traykovski, P High resolution numerical model of wave supported gravity-driven mudflow and its parameterization, 2008 Ocean Science Meeting, Orlando, FL. Outstanding contribution to ICCE 2012 by the Coastal Engineering Research Council with Tian-Jian Hsu, Xiao Yu, and S. Balachandar. INVITED TALKS 1. Numerical simulation of fine sediment transport in wave boundary layer and its implication to the state of muddy seabed, Applied Ocean Physics & Engineering Seminar, Woods Hole Oceanographic Institution, August 12 nd 2011.

5 CV-CELALETTIN EMRE OZDEMIR 5/5 PROFESSIONAL AFFILIATIONS OTHER SCHOLARLY ACTIVITIES 1. American Society of Civil Engineers [ASCE] 2. American Geophysical Union [AGU] 3. American Physical Society [APS] 4. International Association of Hydraulic Research [IAHR] Reviewer for: - Advances in Water Resources - Computers & Geosciences - Journal of Geophysical Research, Earth surface - Journal of Geophysical Research, Oceans - Ocean Modelling