Unconditionally Stable Pressure-Correction Schemes for a Nonlinear Fluid-Structure Interaction Model
作者机构:Department of MathematicsPurdue UniversityWest LafayetteIN 47907USA
出 版 物:《Communications on Applied Mathematics and Computation》 (应用数学与计算数学学报(英文))
年 卷 期:2019年第1卷第1期
页 面:61-80页
核心收录:
学科分类:07[理学] 0701[理学-数学] 070101[理学-基础数学]
基 金:National Science Foundation, NSF, (DMS-1620262, DMS-1720442) National Science Foundation, NSF Air Force Office of Scientific Research, AFOSR, (FA9550-16-1-0102) Air Force Office of Scientific Research, AFOSR
主 题:Fluid-structure interaction Pressure correction Stability analysis
摘 要:We consider in this paper numerical approximation of a nonlinear fluid-structure interac丒 tion(FSI)model with a fixed *** construct a new class of pressure-correction schemes for the FSI problem,and prove rigorously that they are unconditionally *** schemes are computationally very efficient,as they lead to,at each time step,a coupled linear elliptic system for the velocity and displacement in the whole region and a discrete Poisson equation in the fluid region.