Wissenschaftliche Mitarbeiterin Oder Wissenschaftlicher Mitarbeiter Am Lehrstuhl M16 Numerische Methoden Der Plasmaphysik / Postdoc Position at The Chair M16 Numerical Methods for Plasma Physics

Technical University of Munich has an opening postdoctoral position in computer science. Applications should be submitted as soon as possible.

Research project at the chair for numerical methods in plasma physics: Development and implementation of an efficient geometric particle-in-cell solver for the Vlasov-Maxwell equations

Project description: At the chair of Numerical methods for plasma physics we develop efficient and reliable numerical algorithms to solve problems arising in plasma physics. The most comprehensive model that is currently considered computationally feasible models the charged particles in a plasma by a distribution function in (six-dimensional) phase space that evolves according to a linear advection equation. This equation is called Vlasov equation and nonlinearly coupled to Maxwell’s equations for the self-consistent fields. Particle methods are a common tool to solve the Vlasov equation: They describe the distribution function by a number of macro-particles that evolve according to the characteristic equation of the advection equation and are coupled to a grid-based description of the fields. Recently, a framework has been developed within the research group for particle methods for the solution of the Vlasov-Maxwell equations with excellent long-time behavior. So far the algorithms have been developed with a finite element description of the fields and the goal of this research project is to extend the framework to finite differences and spectral finite differences. Moreover, scalable algorithms and data structures for the implementation on state-of-the-art high-performance compute clusters shall be derived. The project contains both algorithmic development and high-performance computing aspects. Building upon previous work of a “Software for Exascale Computing” project, a grid-based discontinuous Galerkin code will also be put together for comparison. Finally, this development should yield a novel simulation tool that will help plasma physicists to explore new physics. Qualifications: At the date of appointment candidates must hold a MSc degree in mathematics, computer science, or a related subject. The successful candidate should have a good understanding of numerical methods and scientific computing as well as good programming skills. Contact: Eric Sonnendrcker (eric.sonnendruecker@ipp.mpg.de) and Katharina Kormann (katharina.kormann@tum.de)
Deadline: As soon as possible
Apply Link:http://tinyurl.com/yykn2vdn

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