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Laboratory for Simulation and Modelling (LSM)

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Laboratory for Simulation and Modelling (LSM)

In the Laboratory for Simulation and Modelling (LSM) we develop numerical and computational capabilities for advanced nuclear systems, advanced particle accelerators, reacting and non-reacting fluid dynamics. We provide modelling support and services to the national and international scientific community. The scientists in LSM contributing to teaching at universities. LSM is also home of the 3th Hub of the Swiss Data Science Center. 

The topical areas of the Laboratory for Simulation and Modelling covers a broad spectrum of scientific disciplines such as
 

  • Accelerator Modelling and Advanced Simulations (AMAS)
  • Computational Fluid Dynamics (CFD)
  • Advanced Nuclear Systems (ANS)
  • SDSC Hub at PSI

Upcoming LSM events

No upcoming events.

Recent news from LSM

16 June 2020
Dr. Ioannis (John) Mantzaras

Fellow Award for Dr. Mantzaras

The prestigious Fellow Award “Fellow of The Combustion Institute” was allotted to Dr. Mantzaras for “Pioneering Experimental and Modeling Research in Hetero-/Homogeneous and Catalytic Combustion”. The combustion activities at LSM emphasize on non-intrusive laser-based measurements in a high-pressure optically accessible catalytic reactor, while the modeling activities encompass advanced multidimensional numerical simulations and theoretical work based on activation energy asymptotics.

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16 January 2020
Teaser Interview Adelmann

Simulation: The third pillar of science

Biology Future Technologies Large Research Facilities

PSI researchers simulate and model large research facilities as well as experiments, for example, in the materials and biological sciences. Andreas Adelmann, head of PSI's Laboratory for Scientific Computing and Modelling, explains how they do it.

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23 December 2019
Dr. Andreas Adelmann

Modelling and simulation pay off

Biology Future Technologies Nuclear Power Plant Safety Large Research Facilities

Researchers in PSI's Laboratory for Scientific Computing and Modelling solve the most complex problems through a combination of theory, modelling, and high-performance computing. With powerful computers, they simulate the smallest molecules or large research facilities.

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18 February 2019
Logo H2020.jpg

Horizon 2020 project SAMOSAFER granted

The EU Horizon 2020 program granted 3.5 million Euros to the research and innovation project SAMOSAFER, where PSI is one of the 14 project partners. The total budget of the project, inclusive own and in-kind contributions, is 4.5 million Euros. The aim of SAMOSAFER project is to develop and demonstrate new safety barriers and a more controlled behaviour in severe accidents of the Molten Salt Reactor (MSR). Three groups at PSI will be involved in the project: the LSM groups for Advanced Nuclear Systems (ANS) and Multiscale Materials Modelling (MMM) and the Severe Accidents Research group (Sacre) of LRT, focusing on redistribution of the source term in the fuel treatment unit of MSR and assessment and reduction of radionuclide mobility during accidental conditions.

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3 December 2018
Teaser IM.png

Progress in non intrusive laser based measurements of gas-phase thermoscalars and supporting modeling near catalytically reacting interfaces

Heterogeneous and combined hetero/homogeneous chemical processes have attracted increased attention in many energy conversion systems, which include large scale power generation, microreactors for portable power generation, household burners, fuel processing technologies and automotive exhaust gas aftertreatment. Progress in such systems crucially depends on the development of catalysts with enhanced activity and thermal stability and on the comprehensive understanding of the fundamental processes occurring near gas solid reacting interfaces.

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14 November 2018
.

Molten Salt Reactor research at LSM/NES

MSR research at LSM has 3 main justifications:

1. education purpose (2 PhD & 8 MSc internal students, 3 PhD & 4 other guests)
2. technology monitoring (it is the most revolutionary GIV system)
3. novel research topics (liquid phase of the fuel introduces many challenges)

Two major research objectives in NES:

1. safety: evaluate system behavior in nominal and transient conditions (tight multi‐physics coupling / H2020 SAMOFAR project)
2. sustainability: evaluate if the concept can use legacy nuclear waste as initial fuel, insure a high resource utilization (high burning)

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24 May 2018
ipwa

ETH Medal for outstanding MSc thesis

The characteristics of low energy electrons accelerated by a laser wakefield (Laser Wakefield Acceleration LWFA) has been studied. The work included understanding the acceleration process, setting up the experiment and measuring properties like charge, divergence and energy of the accelerated electrons. The experiment included diagnostics for the laser and the electrons. In order to make high-resolution energy distribution measurements with relative errors ∆E/E of below 10%, a tunable electron spectrometer has been designed, built and characterized. A tunable permanent magnet quadrupole triplet has been designed for stigmatic focusing in a range of 5 keV to 5 MeV.

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Contact

Laboratory for Simulation and Modelling
Paul Scherrer Institute
OHSA/D10
5232 Villigen PSI
Switzerland

Head of Laboratory a.i.
Dr. Andreas Adelmann
Telephone: +41 56 310 4233
E-mail: Andreas.Adelmann@psi.ch

Assistant
Viviana Sabatini
Telephone: +41 56 310 2592
E-mail: Viviana.Sabatini@psi.ch

NES Open positions

Current job openings in the Research Division for Nuclear Energy and Safety


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