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LOCATION:Room 5.0B56
DTSTART;TZID=Europe/Stockholm:20250618T120000
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UID:submissions.pasc-conference.org_PASC25_sess172_pap133@linklings.com
SUMMARY:Tetrahedral and Voxel Finite Elements with Orthogonal Discontinuou
 s Basis Functions for Explicit Scalar Wave Propagation Analysis
DESCRIPTION:Kohei Fujita and Tsuyoshi Ichimura (The University of Tokyo, R
 IKEN); Muneo Hori (Japan Agency for Marine-Earth Science and Technology); 
 and Lalith Maddegedara and Mizuki Kusumoto (The University of Tokyo)\n\nSc
 alar wave propagation analysis is one of the fundamental types of analysis
  used in many fields and has been the subject of much research. As measure
 ment data accumulates, the need for faster and more accurate analysis usin
 g more detailed models has arisen. This paper proposes tetrahedral and vox
 el finite elements based on orthogonal discontinuous functions that enable
  fast and accurate analysis. Through accuracy and cost analysis on recent 
 computers with actual implementations, we show that the cost of analysis c
 an be significantly reduced and that faster and more accurate wave analysi
 s can be expected as shown in the application example. In addition, many p
 roblems lead to operations with a large number of relatively small matrix-
 vector products like the problem in this paper. This paper showed that suc
 h computation can be handled efficiently by implementations taking advanta
 ge of recent computers, and is expected to provide insight for problems wi
 th similar operations.\n\nDomain: Engineering, Computational Methods and A
 pplied Mathematics\n\nSession Chair: Katharina Kormann (Ruhr University Bo
 chum)\n\n
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