Hypersonic Fluid Dynamics Postdoctoral Appointee
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This postdoctoral position is a temporary position for up to one year, which may be renewed at Sandia's discretion up to five additional years. The PhD must have been conferred within five years prior to employment.
Individuals in postdoctoral positions may bid on regular Sandia positions as internal candidates, and in some cases may be converted to regular career positions during their term if warranted by ongoing operational needs, continuing availability of funds, and satisfactory job performance.
We are seeking a Postdoctoral Appointee to assist in the development of advanced methods for predicting and modeling laminar-turbulent boundary layer transition and compressible turbulence. The appointee will conduct research involving the fundamental physics of transition, develop numerical algorithms for predicting and modeling these phenomena, and support the implementation of these models in state-of-the-art hypersonics simulation codes. The appointee will also support the validation of these models by executing direct numerical simulations of transitional and turbulent hypersonic flows.
Key functions of this role include, but are not limited to:
Conduct basic research on compressible linear stability analysis and transition modeling.
Develop, implement, and validate algorithms for modeling laminar-turbulent transition.
Execute large-scale direct numerical simulations of compressible turbulence and conduct basic research on the physics of these flows.
Communicate findings in the form of journal publications, technical reports, and scientific conference presentations.
PhD, conferred within 5 years prior to employment, in Mechanical Engineering, Aerospace Engineering, Applied Mathematics, or other related engineering or natural science field (with concentration in fluid dynamics)
Solid understanding of compressible fluid mechanics and familiarity with numerical methods for compressible CFD (e.g., finite volume methods, shock capturing schemes).
Experience with hydrodynamic stability analysis and/or modeling of laminar-turbulent transition.
Experience with code development and the ability to program in C and Fortran
Good communication skills as demonstrated by a history of publications in peer-reviewed journals and external presentations at scientific conferences.
The ability to obtain and maintain a DoE Q clearance
Familiarity with methods for hydrodynamic stability analysis in the specific context of hypersonic flows. Knowledge of the several types of instabilities and their physical characteristics.
Previous experience developing and operating compressible CFD codes
Experience designing and executing simulations on massively parallel computing platforms.
Previous experience developing computational tools for hydrodynamic stability analysis.
Familiarity with theories of wall-bounded turbulence and experience executing and processing DNS or LES analyses.
The Thermal/Fluid Component Sciences Department at **MEMBERS ONLY**SIGN UP NOW***. provides a wide range of fluid modeling and analysis, and experimental discovery and validation support in discipline areas such as: incompressible flow, porous flow, reactive flow, multiphase flow, thermal/fluid coupling, suspensions, plasma physics, and rarefied gas dynamics. The department supports activities spanning the entire research-design-analysis spectrum, from creating fundamental physical models, to developing computational algorithms and codes, to applying these models and codes to solve fluid and plasma problems in a wide range of applications.
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Position requires a Department of Energy (DOE) granted Q-level security clearance.
Sandia is required by DOE directive to conduct a pre-employment drug testing, and a pre-employment background review that includes personal reference checks, law enforcement record and credit checks, and employment and education verifications. Applicants for employment must be able to obtain and maintain a DOE Q-level security clearance, which requires U.S. citizenship.
Applicants offered employment with Sandia are subject to a federal background investigation to meet the requirements for access to classified information or matter if the duties of the position require a DOE security clearance. Substance abuse or illegal drug use, falsification of information, criminal activity, serious misconduct or other indicators of untrustworthiness can cause a clearance to be denied or terminated by the DOE, rendering the inability to perform the duties assigned and resulting in termination of employment.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.