Postdoctoral Fellow for AI Enhanced Multiscale Reactive Transport Simulations and Digital Twins of Iron-Cement Systems100 %The Paul Scherrer Institute (PSI) is the largest research institute for natural and engineering sciences within Switzerland. We perform cutting-edge research in the fields of future technologies, energy and climate, health innovation, and fundamentals of nature. By performing fundamental and applied research, we work on sustainable solutions for major challenges facing society, science, and economy. PSI is committed to the training of future generations. Therefore, about one quarter of our staff are post-docs, post-graduates, or apprentices. Altogether, PSI employs 2300 people. The direct costs related to corrosion of infrastructures in Europe are estimated at 250 billion EUR annually. Due to the considerable amount of greenhouse gas emissions attributed to the construction sector, large-scale impact can potentially be made by scientifically based improvements in technology. In the framework of a SNSF-funded Sinergia project “PRINCE: PRocesses at the INterface of iron and Cement”, we are investigating the experimental and theoretical studies of Fe-corrosion processes at iron-cement interfaces. The project is jointly implemented at PSI, EMPA, University Bern, and ETHZ, and includes laboratory investigations of Fe oxidation kinetics; dissolution/precipitation processes; and spectroscopic characterization of corrosion products at synchrotron facilities. Of great importance is the reactive transport modelling of these processes at the pore and continuum scale based on state-of-the-art numerical and machine learning methods. At the Laboratory for Waste Management–Transport Mechanics group and within the scope of PRINCE, we are looking for a: Your Tasks Conduct pore scale reactive transport simulations in porous media such as cement. Use AI and machine learning techniques to accelerate the numerical solvers and numerical analysis. Perform 2 D/3 D simulations using in-house multicore CPU and GPU lattice-Boltzmann codes, inverse modelling, and digital twins of the experiments. Co-develop existing in-house multiscale codes, including benchmarking and validation. Publish results in journals and conferences. Co-supervise Ph D and Master students. Your Profile You are a reliable team player with a Ph D degree in Natural Sciences / Environmental Sciences / Engineering. You have strong experience in reactive transport simulations, ideally with the Lattice Boltzmann method. You possess advanced programming skills (C/Cuda/Python). First experience with machine learning tools would be beneficial. A very good command of English is required (spoken and written). We Offer Our institution is based on interdisciplinary, innovative, and dynamic collaboration. You will benefit from systematic training on the job, in addition to personal development possibilities and our pronounced vocational training culture. If you wish to optimally combine work and family life or other personal interests, we are able to support you with our modern employment conditions and on-site infrastructure. Your employment contract is initially limited to 3 years, with a possible extension depending on performance and future project availability. For further information, please contact Dr Nikolaos Prasianakis, phone +41 56 310 24 15. Please submit your application online by 2 March 2025 (including list of publications and addresses of referees) for the position as a Postdoctoral Fellow (index no. 4403-00). Paul Scherrer Institute, Human Resources Management, Serdal Varol, 5232 Villigen PSI, Switzerland.
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