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@INPROCEEDINGS{LIEUTENANT:910112,
      author       = {LIEUTENANT, Klaus and VOIGT, Jörg and MA, Zhanwen and
                      BEULE, Fabian and MATTAUCH, Stefan and LI, Jingjing and
                      VEZHLEV, Egor},
      title        = {{T}he new versions 3.5 and 4.0 of the instrument simulation
                      program {VITESS}},
      reportid     = {FZJ-2022-03620},
      year         = {2022},
      abstract     = {The new VITESS versions 3.5 and 4.0 have recently been
                      finished. VITESS 4 is designed to be used for virtual
                      experiments, e.g. at MLZ. The instruments are stored as yaml
                      files, which enables changing the instrument parameters from
                      NICOS (as in a real experiment). For maintenance and
                      performance reasons, the new GUI is written in Qt and the
                      monitor output will be visualized using the FZJ program GR.
                      Version 4.0 will not have the complete set of modules, but
                      only those found in many instruments, altogether 36 out of
                      58. Additionally, the use of parameters from files is
                      reduced. It is under test now for virtual experiments at the
                      neutron reflectometer MARIA at MLZ in Garching. As it will
                      take time to get VITESS 4 complete and faultless, version 3
                      will still be needed for some time. VITESS 3.5 contains
                      several new features that are needed for instrument
                      simulations for the HBS, e.g. a source module for HBS and a
                      rotating monochromator. It also contains already many
                      improvements realized for the virtual experiments like
                      additional features for the reflectometer sample and monitor
                      update during the run. The HBS source is also available in
                      McStas. Next year, version 3.6 will be written with the main
                      new feature to save instruments, stored under version 3, in
                      the new format using yaml files. Then, all missing modules
                      will be added to version 4 and released as version 4.1. We
                      will present the main new features of version 3.5 and 4.0
                      and also show how to simulate the HBS source, both in VITESS
                      and in McStas.},
      month         = {Oct},
      date          = {2022-10-11},
      organization  = {JCNS WORKSHOP 2022 TRENDS AND
                       PERSPECTIVES IN NEUTRON SCATTERING:
                       EXPERIMENTS AND DATA ANALYSIS IN THE
                       DIGITAL AGE, Evangelische Akademie
                       Tutzing (Germany), 11 Oct 2022 - 14 Oct
                       2022},
      subtyp        = {Invited},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT / JCNS-ESS / JCNS-FRM-II},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-ESS-20170404 /
                      I:(DE-Juel1)JCNS-FRM-II-20110218},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (FZJ) (POF4-6G4)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/910112},
}