Cell-centered Lagrangian Lax-Wendroff HLL hybrid scheme in 3D

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F24%3A00369876" target="_blank" >RIV/68407700:21340/24:00369876 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1016/j.jcp.2023.112675" target="_blank" >https://doi.org/10.1016/j.jcp.2023.112675</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jcp.2023.112675" target="_blank" >10.1016/j.jcp.2023.112675</a>

Result language
angličtina
Original language name
Cell-centered Lagrangian Lax-Wendroff HLL hybrid scheme in 3D
Original language description
This paper describes a cell-centered Lax-Wendroff type scheme with artificial dissipation for Lagrangian fluid dynamics on general unstructured 3D meshes. The method is an extension of a similar 2D approach to 3D. The dissipative terms are inspired by the finite volume HLL flux formulation and are used as artificial viscosity in the momentum equation and as artificial energy flux in the energy equation. Special treatment is formulated for contact discontinuities and mesh-aligned interfaces. The proposed second order method provides reasonable results for typical 3D hydrodynamic tests, such as Noh, Sedov, Kidder and spherical Sod problems.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10102 - Applied mathematics

Project
<a href="/en/project/EF16_019%2F0000778" target="_blank" >EF16_019/0000778: Center for advanced applied science</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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