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Titel:

Essentially non-hourglass SPH elastic dynamics

Dokumenttyp:
Zeitschriftenaufsatz
Autor(en):
Zhang, Shuaihao; Lourenço, Sérgio D.N.; Wu, Dong; Zhang, Chi; Hu, Xiangyu
Abstract:
More than two decades ago, the numerical instabilities of particle clustering and non-physical fractures encountered in the simulations of typical elastic dynamics problems using updated Lagrangian smoothed particle hydrodynamics (ULSPH) was identified as tensile instability. Despite continuous efforts in the past, a satisfactory resolution for the simulations of these problems has remained elusive. In this paper, the concept of hourglass modes, other than tensile instability, is first explored...     »
Stichworte:
Elastic dynamics; Hourglass modes; Numerical instability; Smoothed particle hydrodynamics; Updated Lagrangian formulation
Dewey Dezimalklassifikation:
620 Ingenieurwissenschaften
Zeitschriftentitel:
Journal of Computational Physics
Jahr:
2024
Band / Volume:
510
Seitenangaben Beitrag:
113072
Nachgewiesen in:
Scopus
Sprache:
en
Volltext / DOI:
doi:10.1016/j.jcp.2024.113072
Verlag / Institution:
Elsevier BV
E-ISSN:
0021-9991
Hinweise:
Funding text S\u00E9rgio D.N. Louren\u00E7o would like to express his gratitude to the Research Grants Council Hong Kong for their sponsorship of this research under a Collaborative Research Fund (C6006-20GF). Dong Wu, Chi Zhang and Xiangyu Hu would like to express their gratitude to the German Research Foundation (DFG) for their sponsorship of this research under grant number DFG HU1527/12-4. The computations were performed using research computing facilities offered by Information Technology S...     »
Eingereicht (bei Zeitschrift):
29.08.2023
Angenommen (von Zeitschrift):
30.04.2024
Publikationsdatum:
01.08.2024
TUM Einrichtung:
Lehrstuhl für Aerodynamik und Strömungsmechanik
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