Goal-Oriented Error Estimation for Cahn-Hilliard Models of Binary Phase Transition

被引:24
作者
van der Zee, Kristoffer G. [1 ]
Oden, J. Tinsley [1 ]
Prudhomme, Serge [1 ]
Hawkins-Daarud, Andrea [1 ]
机构
[1] Univ Texas Austin, Inst Computat Engn & Sci, Austin, TX 78712 USA
关键词
a posteriori error estimation; Cahn-Hilliard diffuse interface; dual Cahn-Hilliard; dual well posedness; error residual equivalence; goal oriented error analysis; linearized adjoint; quantities of interest; FINITE-ELEMENT METHODS; FREE-BOUNDARY PROBLEMS; TIME-STEPPING METHODS; PARABOLIC PROBLEMS; EQUATION; ADAPTIVITY; APPROXIMATION;
D O I
10.1002/num.20638
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
A posteriori estimates of errors in quantities of interest are developed for the nonlinear system of evolution equations embodied in the Cahn-Hilliard model of binary phase transition These involve the analysis of wellposedness of dual backward-in-time problems and the calculation of residuals Mixed finite element approximations are developed and used to deliver numerical solutions of representative problems in one- and two dimensional domains Estimated errors are shown to be quite accurate in these numerical examples (C) 2010 Wiley Periodicals Inc Numer Methods Partial Differential Eq 27 160-196 2011
引用
收藏
页码:160 / 196
页数:37
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