Engineer aerospace engineering, mechanical engineering or mathematician, physicist, computer scienti

The Institute of Aerodynamics and Flow Technology is a leading research institute in the field of aerodynamics/aeroacoustics of airplanes and aerothermodynamics of space vehicles.

The C²A²S²E department develops numerical methods for multidisciplinary simulation and optimization of air vehicles. In addition to physical modeling of complex flows and the development of modern numerical algorithms, our research activities cover the software-based integration of all relevant disciplines, the development of efficient optimization strategies as well as surrogate modeling based on higher fidelity methods.

The position is designed as a sponsorship position and the work is being carried out in close cooperation with Airbus Defense & Space. Your task is to develop and implement a method for predicting liquid sloshing in aircraft fuel tanks, considering thermodynamic effects. This method is to be implemented in the CFD solver CODA, which is being developed jointly by DLR, ONERA and Airbus. The goal is the highly accurate prediction of forces as a basis for the design of tanks. The challenge lies in the implementation of the volume-of-fluid method in a coupled, incompressible solution method, considering the pressure-density coupling. For validation, experimental and analytical data will be available, as well as reference data from computations using the legacy DLR CFD-code. The application covers basic, generic testcases as well as realistic tank geometries with the objective of providing best-practice guidelines for the numerical simulation of multi-phase fuel-sloshing flows in tanks.

Your tasks:

  • Implementation of the Volume-of-Fluid method into the incompressible solver of CODA
  • Implementation of a thermodynamic model for pressure-density coupling
  • Validation of the implementation with generic test cases, analytical model problems and preexisting experimental data
  • Sloshing simulation of realistic tank geometries using legacy DLR codes and CODA
  • university degree (Master/Diplom) in engineering (e.g. aerospace engineering, mechanical engineering, or similar) or natural sciences (e.g. mathematics, physics) or other courses of study relevant for the job
  • good knowledge of higher programming languages (especially object-oriented C/C++, Python, or similar) 
  • good knowledge of the English language, both written and spoken
  • knowledge in the field of computational fluid dynamics and numerical simulation methods, thermodynamics
  • preferably knowledge in the simulation of two-phase or multi-phase flows considering phase boundaries and phase transitions

Look forward to a fulfilling job with an employer who appreciates your commitment and supports your personal and professional development. Our unique infrastructure offers you a working environment in which you have unparalleled scope to develop your creative ideas and accomplish your professional objectives. Our human resources policy places great value on a healthy family and work-life-balance as well as equal opportunities for persons of all genders (f/m/x).Individuals with disabilities will be given preferential consideration in the event their qualifications are equivalent to those of other candidates.

DLR - Helmholtz / Deutsches Zentrum für Luft- und Raumfahrt

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Deadline: 2023-05-30
Location: Germany, Göttingen
Categories: Aerospace Engineering, Computer Engineering, Computer Sciences, Engineer, Engineering, Mathematician, Mechanical Engineering, Physicist,


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