Peter Kjær Willendrup

Peter Kjær Willendrup

Senior Research Engineer, Special Consultant


Building: 307, 231

2800 Kgs. Lyngby


Mobile: 21254612

Technical project manager for the McStas project which is currently applied in simulation of neutron scattering instruments for the future ESS in Lund, Sweden. McStas is  world leading in simulation of instrumentation for neutron scattering and virtual neutron scattering experiments. Participating instituttes are DTUNBIILL and PSI.

McStas is extensively used in the design of future instruments for the European Spallation Source (ESS) in Lund, and I work closely with colleagues from the ESS Data Management and Software Center (DMSC).

Also involved in McXtrace which is an X-ray equivalent of McStas. Participating partners are DTUNBI at KULife at KUESRF and SAXSLAB

My position is affiliated with the NEXMAP section within DTU Physics. I am also the local representative of Danish Association of Masters and PhDs among DTU Physics employees at Risø Campus.

See also my CV at my personal webpage.



1992 - 2000 Physics & Matehematics - University of Copenhagen

Academic grades

Cand. Scient. (MSc.) in Physics

Ba. Sc. in Mathematics

Professional experience

04/2 - 05/2 Research Assistant (NRU) - Rigshospitalet, Neurobiology Research Unit
06/2 - 12/2 Development Engineer (Risø) - Forskningscenter Risø, AFM
01/2 - 12/2 Development Engineer (Risø DTU) - Technical University of Denmark, AFM
01/2 - Development Engineer (DTU Fysik) - Technical University of Denmark, NEXMAP


Danish, English, Swedish, German, French


Neutron & X-ray scattering
Computational Physics
Computer Science
Data analysis
Project management
Software development

My links

My files

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  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

    ISSNs: 0168-9002

    Additional searchable ISSN (Electronic): 1872-9576

    Elsevier, Netherlands

    BFI (2020): BFI-level 1, Scopus rating (2018): CiteScore 1.58 SJR 0.686 SNIP 1.234, Web of Science (2020): Indexed yes, ISI indexed (2013): ISI indexed yes

    Central database


  • Journal of Neutron Research

    ISSNs: 1023-8166

    Additional searchable ISSN (Electronic): 1477-2655

    I O S Press, Netherlands

    BFI (2020): BFI-level 1, Scopus rating (2018): CiteScore 0.34 SJR 0.209 SNIP 0.506, ISI indexed (2013): ISI indexed no, Web of Science (2020): Indexed yes

    Central database


  • Physica B: Condensed Matter

    ISSNs: 0921-4526

    Additional searchable ISSN (Electronic): 1873-2135

    Elsevier, Netherlands

    BFI (2020): BFI-level 1, Scopus rating (2018): CiteScore 1.76 SJR 0.41 SNIP 0.805, Web of Science (2020): Indexed yes, ISI indexed (2013): ISI indexed yes

    Central database


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ID: 883500