Analysis of Chorin-type projection methods for the stochastic Stokes equations with general multiplicative noise
Analysis of Chorin-type projection methods for the stochastic Stokes equations with general multiplicative noise
复制标题
具有一般乘性噪声的随机Stokes方程的Chorin型投影方法分析
DOI:
10.1007/s40072-021-00228-4
复制
发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Vo, Liet
中科院分区:
文献类型:
--
作者:
Feng, Xiaobing;Vo, Liet
This paper is concerned with numerical analysis of two fully discrete Chorin-type projection methods for the stochastic Stokes equations with general non-solenoidal multiplicative noise. The first scheme is the standard Chorin scheme and the second one is a modified Chorin scheme which is designed by employing the Helmholtz decomposition on the noise function at each time step to produce a projected divergence-free noise and a “pseudo pressure" after combining the original pressure and the curl-free part of the decomposition. Anrate of convergence is proved for the standard Chorin scheme, which is sharp but not optimal due to the use of non-solenoidal noise, wherekdenotes the time mesh size. On the other hand, an optimal convergence rateis established for the modified Chorin scheme. The fully discrete finite element methods are formulated by discretizing both semi-discrete Chorin schemes in space by the standard finite element method. Suboptimal order error estimates are derived for both fully discrete methods. It is proved that all spatial error constants contain a growth factor, wherekdenotes the time step size, which explains the deteriorating performance of the standard Chorin scheme whenand the space mesh size is fixed as observed earlier in the numerical tests of Carelli et al. (SIAM J Numer Anal 50(6):2917–2939, 2012). Numerical results are also provided to guage the performance of the proposed numerical methods and to validate the sharpness of the theoretical error estimates.
影响因子:
2.1
作者:
D. Breit;Alan Dodgson
通讯作者:
Alan Dodgson
影响因子:
2.5
作者:
Feng, Xiaobing;Qiu, Hailong
通讯作者:
Qiu, Hailong
DOI:
10.1137/110845008
发表时间:
2012
期刊:
SIAM J. Numer. Anal.
影响因子:
--
作者:
Erich Carelli;A. Prohl
通讯作者:
A. Prohl