Behzad R. Ahrabi, PhD
Computational Engineering
Curriculum Vitae
Education
2011-2015
PhD
University of Tennessee at Chattanooga, Chattanooga, Tennessee, USA
SimCenter, the National Center for Computational Engineering
Computational Engineering
Advisors: Professor William K. Anderson and Professor James C. Newman III
Dissertation: An hp-Adaptive Petrov-Galerkin Method for Steady-State and Unsteady Flow Problems
2005-2008
MSc
Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
Mechanical Engineering
Advisor: Professor Mohammad-Reza Heyrani Nobari
Thesis: Numerical Investigation of Incompressible Flows in Centrifugal Turbomachines
2001-2005
BSc
Isfahan University of Technology, Isfahan, Iran
Mechanical Engineering
Employment
2019-present
Boeing Research & Technology
Aerodynamics Engineer
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Developing state-of-art finite-element based flow solver technologies for turbulent compressible flows over aircraft configurations for the entire flight envelope.
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Performing CFD analysis and developing database and best practices for high-lift configurations.
2017-2019
University of Wyoming, Laramie, Wyoming
Computational Fluid Dynamics Laboratory
Research Scientist, Advisor: Professor Dimitri J. Mavriplis
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Major contribution in preparation of a successful proposal for a NASA research grant; title: "Efficient and Robust CFD Solvers for Exascale Architectures"; total research fund: $596,107.
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Developed robust and scalable linear and nonlinear solution strategies for emerging HPC architectures.
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Developed a finite-element flow solver, called HOMA (High-Order Multilevel Adaptive), for the solution of compressible RANS equations on 3D unstructured grids using stabilized finite-element methods (SUPG/GLS).
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Developed a stable and efficient adaptive block ILU smoother for preconditioning of Krylov solvers.
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Developed general deflation schemes for stabilization and acceleration of linear smoothers.
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Performed comparison studies among dominant discretizations including SUPG, DG, and FV methods.
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Contributed in development of time-spectral methods for parallelization in time.
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Generated structured and unstructured grids for 3D aircraft and turbomachinery configurations.
2015-2017
University of Wyoming, Laramie, Wyoming
Computational Fluid Dynamics Laboratory
Postdoctoral Research Associate
Advisor: Professor Dimitri J. Mavriplis
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Developed the initial version of the aforementioned HOMA solver.
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Developed a robust nonlinear p-multigrid for the solution of high-order RANS discretizations on unstructured grids.
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Developed a strongly-scalable matrix-based implicit line preconditioning technique for the SUPG discretization.
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Assisted lecturing graduate-level fluid mechanics and high-performance computing (HPC) courses.
2011-2015
SimCenter, University of Tennessee at Chattanooga, Chattanooga, Tennessee
Research Assistant
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Developed adjoint-based hp-adaptation capabilities within a continuous finite-element framework known as FUNSAFE .
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Participated in 1st and 2nd AIAA Propulsion Aerodynamics Workshop which was focused on assessing the numerical prediction capability (mesh, numerics, turbulence modeling, high-performance computing requirements, and modeling techniques) of current-generation CFD technology/codes for air breathing propulsion related aerodynamic flows, jet performance, and flow structures.
2008-2011
Iran Industrial Pumps (IIP), Tehran, Iran
Head of Research and Development Department
Achievements: Established and led a research and development team aiming at the multidisciplinary and integrated design of special centrifugal pumps using computational simulation. Accomplished two major projects:
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Design and Manufacturing of a High-Capacity Seawater Intake Double-Volute Pump (Capacity: 8000 m3/hr).
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Redesign and Optimization of a Four-Stage High-Pressure Centrifugal Pump (Head: 475 m)