全部文献期刊会议图书|学者科研项目
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作者:Paul Fischer , Astrid Hilbert
来源:[J].Soft Computing(IF 1.124), 2017, Vol.21 (16), pp.4707-4720Springer
摘要:Detecting structural breaks is an essential task for the statistical analysis of time series, for example, for fitting parametric models to it. In short, structural breaks are points in time at which the behaviour of the time series substantially changes. Typically, no solid back...
作者:Paul Fischer , Mark Luciano
来源:[J].PLoS ONE(IF 3.73), 2017, Vol.8 (10)DOAJ
摘要:Elevated or reduced velocity of cerebrospinal fluid (CSF) at the craniovertebral junction (CVJ) has been associated with type I Chiari malformation (CMI). Thus, quantification of hydrodynamic parameters that describe the CSF dynamics could help assess disease severity and surgica...
作者:... Aleksandr Obabko , Andrew Siegel , Paul Fischer
来源:[J].Computer Physics Communications(IF 3.078), 2017, Vol.219, pp.236-245Elsevier
摘要:Abstract(#br)We analyze the potential performance benefits of estimating expected quantities in large eddy simulations of turbulent flows using true ensembles rather than ergodic time averaging. Multiple realizations of the same flow are simulated in parallel, using slightly pert...
作者:... Yassin A. Hassan , Paul Fischer , Oana Marin
来源:[J].Nuclear Engineering and Design(IF 0.805), 2020, Vol.358Elsevier
摘要:Abstract(#br)Large eddy simulation (LES) of an experimental benchmark investigating buoyant mixing among two fluids is developed for verification and validation. Flow physics involve a completely closed system where after a valve is opened, two initially stationary fluids with di...
作者:Paul Fischer , Gerrit Marx , Lutz Schweikhard
来源:[J].International Journal of Mass Spectrometry(IF 2.142), 2019, Vol.435, pp.305-314Elsevier
摘要:Abstract(#br)The present study introduces new approaches for the capture/injection and selection of ions with large mass-to-charge ( m / q ) differences in an electrostatic ion beam trap (EIBT) or multi-reflection time-of-flight (MR-ToF) device. While no m / q -dependent storage ...
作者:Paul Fischer , Stefan Knauer ...
来源:[J].International Journal of Mass Spectrometry(IF 2.142), 2018, Vol.432, pp.44-51Elsevier
摘要:Abstract(#br)A development in multi-reflection time-of-flight (MR-ToF) mass spectrometry is presented with which isobars are resolved by means of an offline correction with the signal of a non-isobaric ion species. The method is demonstrated for a pair of Cr 2 + isobars with...
作者:Li Lu , Murtazo Nazarov , Paul Fischer
来源:[J].Comptes rendus - Mathématique(IF 0.477), 2019, Vol.357 (7), pp.646-654Elsevier
摘要:Abstract(#br)We present a filter-based approach to computing artificial viscosities for spectral element methods. A number of applications for this approach are presented.

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