Efficient computation of Jacobian matrices for entropy stable summation-by-parts schemes
Efficient computation of Jacobian matrices for entropy stable summation-by-parts schemes
复制标题
熵稳定分部求和方案的雅可比矩阵的高效计算
DOI:
10.1016/j.jcp.2021.110701
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发表时间:
2022
影响因子:
4.1
通讯作者:
Taylor, Christina G.
中科院分区:
文献类型:
--
作者:
Chan, Jesse;Taylor, Christina G.
Entropy stable schemes replicate an entropy inequality at the semi-discrete level. These schemes rely on an algebraic summation-by-parts (SBP) structure and a technique referred to as flux differencing. We provide simple and efficient formulas for Jacobian matrices for the semi-discrete systems of ODEs produced by entropy stable discretizations. These formulas are derived based on the structure of flux differencing and derivatives of flux functions, which can be computed using automatic differentiation (AD). Numerical results demonstrate the efficiency and utility of these Jacobian formulas, which are then used in the context of two-derivative explicit time-stepping schemes and implicit time-stepping.
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DOI:
10.1016/j.jcp.2020.109789
发表时间:
2019-09
期刊:
J. Comput. Phys.
影响因子:
--
作者:
Jesse Chan
通讯作者:
Jesse Chan
影响因子:
2.5
作者:
Chan, Jesse
通讯作者:
Chan, Jesse
DOI:
10.1145/3424144
发表时间:
2018
期刊:
ACM Transactions on Mathematical Software (TOMS)
影响因子:
--
作者:
D. Kempf;René Heß;Steffen Müthing;P. Bastian
通讯作者:
P. Bastian
影响因子:
1.5
作者:
A. R. Winters;Christof Czernik;Moritz B. Schily;G. Gassner
通讯作者:
G. Gassner
DOI:
--
发表时间:
2018
期刊:
影响因子:
--
作者:
Jesse Chan;L. Wilcox
通讯作者:
L. Wilcox