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1 First name Last name LinkedIn Profile Antonio Posa Education Ph.D. in Fluid Machinery Engineering, Department of Mechanical and Management Engineering, Politecnico di Bari, Italy. March Dissertation: Large-eddy simulation of turbomachinery flows using an immersed boundary method. Advisors: Elias Balaras, Antonio Lippolis, Roberto Verzicco. Master's degree in Industrial Engineering, Politecnico di Bari, Italy. September Grade: 110/110 cum laude. Dissertation: Simulazione di turbomacchine con il metodo dei contorni immersi (Turbomachinery simulation by the immersed boundary method). Advisors: Antonio Lippolis, Roberto Verzicco. Bachelor's degree in Industrial Engineering, Politecnico di Bari, Italy. September Grade: 110/110 cum laude. Dissertation: Progettazione di compressori assiali (Design of axial compressors). Advisors: Antonio Lippolis, Marco Mastrovito. Research Experience Post Doctoral Scientist, Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC, USA. January 2012 December Parallel numerical simulations in the field of naval hydrodynamics by a coupled LES/immersed-boundary methodology: computational solution of the flow around the DARPA (Defense Advanced Research Projects Agency) SUBOFF submarine geometry in towed and propelled conditions and the INSEAN (The Italian Ship Model Basin) E1619 submarine propeller. Characterization of the wake features of vertical axis wind turbines. Simulation of turbopumps flows at design and off-design conditions, hydraulic valves, flapping airfoils. Wall-models for immersed-boundary methods. Flows around airfoils at moderate Reynolds numbers. Development of adaptive meshing strategies of Lagrangian forcing for immersed-boundary methodologies. Application of the immersed-boundary methodology in stratified flows. Contractor, Department of Mechanics, Mathematics and Management, Politecnico di Bari, Bari, Italy, November Numerical study of the flow through a centrifugal pump at off-design conditions using an Immersed-Boundary method. 1

2 Faculty Limited Service, Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC, USA. March Numerical simulation of the flow around the DARPA SUBOFF submarine geometry by Large-Eddy Simulation using an immersed-boundary method. Faculty Research Assistant, Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA. September 2010 February Development of wall-models for immersed boundary methods. Faculty Research Assistant, Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA. June 2009 December Validation of the LES/immersed-boundary methodology for the numerical study of a centrifugal pump, through a successful comparison with PIV (Particle Image Velocimetry) experiments in the literature. Contractor, Department of Environmental Engineering and Sustainable Development, Politecnico di Bari, Taranto, Italy, February New numerical-experimental methodologies for the characterization of wind sites. Research interests and skills Computational Fluid Dynamics, High Performance Computing, Direct Numerical Simulation, Large-Eddy Simulation, Finite Differences, Immersed-Boundary Methods, Turbulent flows, Vertical Axis Wind Turbines, Turbopumps Flows, Boundary layer models, Hydraulic valves, Naval Hydrodynamics, Submarines, Propellers. Proficient in Fortran, MPI, Paraview, Gambit, LaTeX, Mathematica, MATLAB, Office, OpenMP, SolidEdge, Windows, Mac OS, Linux, UNIX, HDF5 library, Git, AutoCAD, Python. Performed parallel numerical simulations using FORTRAN codes on several distributed memory supercomputers: IBM Power5 and Matrix (CASPUR, Interuniversities Consortium for Supercomputing Applications for University and Research, Rome), Deepthought (University of Maryland), Kraken (University of Tennessee, Oak Ridge National Laboratory), Mira and Cetus (Argonne Leadership Computing Facility), Garnet (U.S. Army Engineer Research and Development Center), Copper (U.S. Army Engineer Research and Development Center), Colonial One (The George Washington University), Excalibur (U.S. Army Research Laboratory). 2

3 Journal Papers Posa A., Lippolis A., Balaras E., "Investigation of separation phenomena in a radial pump at reduced flow-rate by Large Eddy Simulation", Journal of Fluids Engineering, Volume 138, Issue 12, December 2016, Posa A., Parker C.M., Leftwich M.C., Balaras E., "Wake structure of a single Vertical Axis Wind Turbine", International Journal of Heat and Fluid Flow, Volume 61, Part A, October 2016, Pal A., Sarkar S., Posa A., Balaras E., "Regeneration of turbulent fluctuations in low- Froude-number flow over a sphere at a Reynolds number of 3700", Journal of Fluid Mechanics, Volume 804, October 2016, R2. Rahromostaqim, M., Posa, A., Balaras, E., "Numerical investigation of the performance of pitching airfoils at high amplitudes", AIAA Journal, Volume 54, Issue 8, August 2016, Posa A., Balaras E., "A numerical investigation of the wake of an axisymmetric body with appendages", Journal of Fluid Mechanics, Volume 792, April 2016, Balaras E., Schroeder S., Posa A., "Large-Eddy Simulations of Submarine Propellers", Journal of Ship Research, Volume 59, Issue 4, December 2015, Posa A., Lippolis A., Balaras E., "Large-eddy simulation of a mixed-flow pump at offdesign conditions", Journal of Fluids Engineering, Volume 137, Issue 10, October 2015, Posa A., Balaras E., "Model-based near-wall reconstructions for immersed-boundary methods", Theoretical and Computational Fluid Dynamics, Volume 28, Issue 4, August 2014, Vanella M., Posa A., Balaras E., "Adaptive Mesh Refinement for Immersed Boundary Methods", Journal of Fluids Engineering, Volume 136, Issue 4, April 2014, Posa A., Oresta P., Lippolis A., Influence of the spool velocity on the performance of a directional hydraulic valve, International Journal of Fluid Power, Volume 14, Issue 3, November 2013, Posa A., Oresta P., Lippolis A., Analysis of a directional hydraulic valve by a Direct Numerical Simulation using an immersed-boundary method, Energy Conversion and Management, Volume 65, January 2013, Posa A., Oresta P., Lippolis A., Simulazione diretta di un distributore oleodinamico mediante un metodo ai contorni immersi (Direct simulation on a directional hydraulic valve by an immersed-boundary method), La Termotecnica, Volume 66, Issue 10, December 2012, (in Italian). Posa A., Lippolis A., Verzicco R., Balaras E., Large-eddy simulations in mixed-flow pumps using an immersed-boundary method, Computers & Fluids, Volume 47, Issue 1, August 2011,

4 Conference Papers Posa A., Balaras E., "Large-Eddy Simulations of the DARPA SUBOFF model in towed and propelled configurations", 31st Symposium on Naval Hydrodynamics, Monterey, California, September 11-16, Posa A., Parker C., Leftwich M., Balaras E., "Wake structure of a single Vertical Axis Wind Turbine", Ninth International Symposium on Turbulence and Shear Flow Phenomena, Melbourne, Australia, June 30 - July Schroeder S., Posa A., Balaras E, "Tip Vortex Evolution of a Marine Propeller Including the Effects of an Upstream Appendage", 30 th Symposium on Naval Hydrodynamics, Hobart, Australia, 2-7 November Barsky D., Posa A., Rahromostaqim M., Leftwich M., Balaras E., "Experimental and Computational Wake Characterization of a Vertical Axis Wind Turbine", AVIATION 2104, 32 nd AIAA Applied Aerodynamics Conference, Atlanta, Georgia, June Posa A., Oresta P., Lippolis A., Simulazione diretta di un distributore oleodinamico mediante un metodo ai contorni immersi (Direct simulation on a directional hydraulic valve by an immersed-boundary method), 66th ATI (Thermotechnical Italian Association) National Congress, Rende (Cosenza, Italy), 5-9 September 2011 (in Italian). Presentations Posa A., Balaras E., "LES of a submarine model in self-propulsion", Bulletin of the American Physical Society, 69 th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Volume 61, Number 20, Portland, USA, November Posa A., Balaras E., "Large-eddy simulations of a propelled submarine model", Bulletin of the American Physical Society, 68 th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Volume 60, Number 21, Boston, USA, November Pal A., Posa A., Balaras E. and Sarkar S., "The turbulent, stratified near wake of a sphere at Re = 3700 and Fr = 1, 3", International Conference on Jets, Wakes and Separated Flows (ICJWSF), Stockholm, Sweden, June Posa A., Lippolis A., Balaras E., "Large-eddy simulations of a mixed-flow pump at offdesign conditions", Bulletin of the American Physical Society, 67 th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Volume 59, Number 20, San Francisco, USA, November Balaras E., Posa A., Leftwich M., "A numerical investigation of the wake structure of vertical axis wind turbines", Bulletin of the American Physical Society, 67 th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Volume 59, Number 20, San Francisco, USA, November Pal A., Posa A., Balaras E., Sarkar S., "The turbulent, stratified near wake of a sphere at Re = 3700 and Fr = 3", Bulletin of the American Physical Society, 67 th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Volume 59, Number 20, San Francisco, USA, November

5 Posa A., Balaras E., The near wake of a fully appended submarine model, Annual Postdoc/Student Symposium hosted by UMD Burgers Program, JHU Center for Environmental and Applied Fluid Mechanics and GWU School of Engineering and Applied Science, 28 May Rahromostaqim M., Posa A., Balaras E., Leftwich M., "Large-eddy simulations of a single vertical axis wind turbine", Bulletin of the American Physical Society, 66 th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Volume 58, Number 18, Pittsburgh, USA, November Posa A., Balaras E., Large-eddy simulations of a fully appended submarine model, Bulletin of the American Physical Society, 66 th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Volume 58, Number 18, Pittsburgh, USA, November Posa A., Balaras E., Wall modeling strategies for immersed boundary methods, Joint EUROMECH / ERCOFTAC Colloquium 549 Immersed Boundary Methods: Current Status and Future Research Directions, Leiden, The Netherlands, June Posa A., Balaras E., Wall models for immersed boundary methods, Annual Postdoc/Student Symposium hosted by UMD Burgers Program, JHU Center for Environmental and Applied Fluid Mechanics and GWU School of Engineering and Applied Science, 22 May Posa A., Balaras E., Wall-models for immersed-boundary methods, Bulletin of the American Physical Society, 64 th Annual Meeting of the American Physical Society Division of Fluid Dynamics, Volume 56, Number 18, Baltimore, USA, November Peer-Reviewer Service ASME 2014 International Mechanical Engineering Congress & Exposition, American Society of Mechanical Engineers Computers & Fluids, Elsevier Energies, Multidisciplinary Digital Publishing Institute Energy, Conversion & Management, Elsevier International Journal of Heat and Fluid Flow, Elsevier International Journal of Heat and Mass Transfer, Elsevier Journal of Computational Physics, Elsevier Journal of Fluid Mechanics, Cambridge University Press Journal of Fluids Engineering, American Society of Mechanical Engineers Journal of Renewable and Sustainable Energy, American Institute of Physics Progress in Computational Fluid Dynamics, Inderscience Publishers Strojniški vestnik Journal of Mechanical Engineering, University of Ljubljana Sustainability, Multidisciplinary Digital Publishing Institute 5

6 Projects DoD HPC (Department of Defense High Performance Computing) project: "LES of suboffbody propeller interactions at high Reynolds numbers", Principal Investigator: Prof. Elias Balaras, The George Washington University. DoD HPC (Department of Defense High Performance Computing) project: "Large-eddy simulations of wake propulsor interactions", Principal Investigator: Prof. Elias Balaras, The George Washington University. NICS (National Institute for Computational Sciences, Knoxville, Tennessee) project: "Multibody fluid-structure interactions in turbulent flows", Principal Investigator: Prof. Elias Balaras, The George Washington University. Universities and Research, Rome, Italy) grant Standard High Performance Computing Grant 2012 : "Analysis of hydraulic valves using the immersed-boundary method", allocation of 80,000 hours/core of free computational resources, March Principal Investigator: Prof. Antonio Lippolis, Politecnico di Bari. Universities and Research, Rome, Italy) grant Standard High Performance Computing Grant 2011 : "Study of turbomachinery flow by the immersed-boundary method", allocation of 70,000 hours/core of free computational resources, March Principal Investigator: Prof. Antonio Lippolis, Politecnico di Bari. Universities and Research, Rome, Italy) grant Standard High Performance Computing Grant 2010 : "Study of turbomachinery flow by the immersed-boundary method", allocation of 100,000 hours/core of free computational resources, February Principal Investigator: Prof. Antonio Lippolis, Politecnico di Bari. Universities and Research, Rome, Italy) grant High Performance Computing Grant 2007 : "Study of turbomachinery flow by the immersed-boundary method", allocation of 35,000 hours/core of free computational resources, October Principal Investigator: Prof. Antonio Lippolis, Politecnico di Bari. Awards and Fellowships The journal paper by Posa et al. Large-eddy simulations in mixed-flow pumps using an immersed-boundary method, Computers & Fluids, 47(1) was in ScienceDirect's Top 25 Hottest Articles for Computers & Fluids (most downloaded articles on ScienceDirect) in January-December The journal paper by Posa et al. Large-eddy simulations in mixed-flow pumps using an immersed-boundary method, Computers & Fluids, 47(1) was in ScienceDirect's Top 25 Hottest Articles for Computers & Fluids (most downloaded articles on ScienceDirect) in July-September

7 The journal paper by Posa et al. Large-eddy simulations in mixed-flow pumps using an immersed-boundary method, Computers & Fluids, 47(1) was in ScienceDirect's Top 25 Hottest Articles for Computers & Fluids (most downloaded articles on ScienceDirect) in April-June International research scholarship, Regione Puglia, Italy. July Awarded for developing wall-models for immersed-boundary methods under the guidance of Prof. Elias Balaras at University of Maryland, College Park, USA. Worthy Graduates Award, Rotary International, Club Taranto Magna Grecia, Taranto, Italy. June Awarded as best graduate of the School of Engineering in Taranto of Politecnico di Bari, Italy. Languages Italian English Taranto, 26 January