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Argonne

Job Description


The Multiphysics Computation Section at Argonne National Laboratory is seeking to hire a postdoctoral appointee. The successful candidate’s research will involve synergistic collaborations with a multidisciplinary team involving engine modelers, CFD and AI/ML experts, and computational scientists to enhance the predictive capability and scalability of multi-scale and multi-physics simulation codes.

The candidate will perform multi-scale computational fluid dynamics (CFD) simulations involving two-phase flows applied to heavy-duty and aerospace engines, taking advantage of both commercial and in-house codes, and leveraging high-performance computing (HPC).

  • Develop accurate and computationally efficient CFD models to simulate the fuel injection, atomization dynamics and fuel-air mixing for high-pressure nozzles (e.g., Eulerian-Lagrangian Spray Atomization – ELSA – model).

  • Define a high-fidelity framework to capture jet-in-crossflow dynamics applied to novel sustainable aviation fuels (SAFs).

  • Develop robust libraries to accurately model non-ideal thermophysical properties of real fuels.  

  • Perform high-fidelity nozzle-flow simulations of realistic atomizers (e.g., pre-filming and swirling atomizers) to capture liquid jet breakup characteristics.

  • Work as a part of a multidisciplinary team involving experimentalists, CFD experts, and computational scientists to enable cutting-edge CFD modeling & simulations on the next generation supercomputing architectures.

Position Requirements

  • Ph.D. in mechanical/aerospace engineering, applied mathematics, chemical engineering, or a related discipline.

  • Experience in modeling and simulation of three-dimensional two-phase and/or turbulent reacting flow applications using CFD codes (e.g., CONVERGE, Ansys Fluent, OpenFOAM, etc.).

  • The candidate must show good collaborative skills, including the ability to work well with other divisions, laboratories, and universities.

  • Skilled in communication skills at all levels of the organization. 

  • Ability to present and publish results in peer reviewed society technical reports and journal articles.

  • A successful candidate must have the ability to model Argonne’s Core Values: Impact, Safety, Respect, Integrity, and Teamwork.

Preferred Qualifications:

  • Knowledge of engine combustion theory and modeling, extensive knowledge of liquid and gaseous fuels for engine applications, good understanding of turbulence, spray, chemical kinetics, reacting flow physics, and turbulent combustion modeling.

  • Knowledge of multi-dimensional code development (in C++/C/Fortran) for two-phase/multiphase flow and turbulent combustion applications, and parallel scientific computing.

  • Experience in geometry manipulation with computer-aided design software.

  • Knowledge of deep machine learning (using TensorFlow, PyTorch, etc.) for multi-fidelity modeling, regression tasks, management and analysis of large datasets, and parallel scientific computing.

  • Experience in interdisciplinary collaborative research.

Job Family

Postdoctoral Family

Job Profile

Postdoctoral Appointee

Worker Type

Long-Term (Fixed Term)

Time Type

Full time


As an equal employment opportunity and affirmative action employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a diverse and inclusive workplace that fosters collaborative scientific discovery and innovation. In support of this commitment, Argonne encourages minorities, women, veterans and individuals with disabilities to apply for employment. Argonne considers all qualified applicants for employment without regard to age, ancestry, citizenship status, color, disability, gender, gender identity, gender expression, genetic information, marital status, national origin, pregnancy, race, religion, sexual orientation, veteran status or any other characteristic protected by law.



Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department.  

All Argonne offers of employment are contingent upon a background check that includes an assessment of criminal conviction history conducted on an individualized and case-by-case basis.  Please be advised that Argonne positions require upon hire (or may require in the future) for the individual be to obtain a government access authorization that involves additional background check requirements.  Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment.


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