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DTSTART;TZID=Europe/Stockholm:20240604T095200
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UID:submissions.pasc-conference.org_PASC24_sess158_pos115@linklings.com
SUMMARY:P36 / ACMP08 - Mixed-Precision in High-Order Methods: Studying the
  Impact of Lower Numerical Precisions on the ADER-DG Algorithm
DESCRIPTION:Poster\n\nMarc Marot-Lassauzaie and Michael Bader (Technical U
 niversity of Munich)\n\nWe study the impact of using mixed and variable nu
 merical precision in the high-order ADER-DG method for solving partial dif
 ferential equations. The impact of precision on both the overall convergen
 ce order, as well as specific sections of the code are examined. This lets
  us judge how sensible each part of the algorithm is to small losses of pr
 ecision.\nWe also research how numerical precision affects the stability o
 f ADER-DG by simulating two stationary but numerically challenging scenari
 os and check whether variable precision can resolve stability issues.\nFin
 ally, we review the effects of numerical precision on the features Lagrang
 e interpolations, which are commonly used but are susceptible to small cha
 nges in the nodal values.\n\nSession Chair: Iva Kavcic (Met Office)
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