Application of Multigrid Method in Lateral Jet Interaction Flowfield Simulation
Received date: 2014-07-06
Online published: 2025-05-26
薄靖龙 , 刘耀峰 , 曹宁 . 多重网格技术在侧喷干扰流场模拟中的应用[J]. 弹箭与制导学报, 2015 , 35(3) : 143 -147 . DOI: 10.15892/j.cnki.djzdxb.2015.03.036
The investigation of multigrid method for supersonic/hypersonic lateral jet interaction flowfield simulation is conducted. To overcome the instability problem in applying the multigrid method to supersonic/hypersonic lateral jet interaction flows, some modifications are carried out to the restriction and prolongation operators. The modified multigrid method using FAS strategy (2-level, V-cycle) is applied to computation of lateral jet interaction flowfield for different conditions. The results reveal the robustness of the modified multigrid scheme and substantial speed-up in hypersonic lateral jet interaction flowfields simulation.
Key words： multigrid method; hypersonic; lateral jet; jet interaction; numerical simulation
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