A note on pressure accuracy in immersed boundary method for Stokes flow

Kuan Yu Chen, Ko An Feng, Yongsam Kim, Ming-Chih Lai*

*Corresponding author for this work

研究成果: Article

12 引文 斯高帕斯(Scopus)

摘要

In this short note, we provide a simplified one-dimensional analysis and two-dimensional numerical experiments to predict that the overall accuracy for the pressure or indicator function in immersed boundary calculations is first-order accurate in L1 norm, half-order accurate in L2 norm, but has O(1) error in L norm. Despite the pressure has O(1) error near the interface, the velocity field still has the first-order convergence in immersed boundary calculations.

原文English
頁(從 - 到)4377-4383
頁數7
期刊Journal of Computational Physics
230
發行號12
DOIs
出版狀態Published - 1 一月 2011

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