An immersed boundary approach for high order weighted essentially non-oscillatory schemes

被引：4

作者：

Di Mascio, Andrea ^{[1
]}

Zaghi, Stefano ^{[2
]}

机构：

[1] Univ Lquila, Dept Ind & Informat Engn & Econ, Laquila, Italy

[2] CNR, Inst Marine Engn, Rome, Italy

来源：

COMPUTERS & FLUIDS | 2021年 / 222卷

关键词：

Immersed boundary approach; WENO schemes; Level set approach; FINITE-VOLUME METHOD; NUMERICAL-SIMULATION; FLOW; COMPLEX; FORMULATION; EQUATIONS; CYLINDER; FIELD; WAKE; 3D;

D O I：

10.1016/j.compfluid.2021.104931

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

A new immersed boundary approach for high order Weighted Essentially non-Oscillatory (WENO) schemes is proposed. The schemes is based on the main ideas from both the general immersed boundary algorithms and the level-set approach and can be easily applied to both finite difference and finite volume formulation. Although formally only second order accurate, numerical tests prove that the use of higher order approximation for the Eulerian fluxes can be very convenient to capture flow details and to obtain low uncertainty also with very coarse grids. (C) 2021 Elsevier Ltd. All rights reserved.

引用

页数：18

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